Like New, Under 10 hrs. Sleeker looking than ever before, solid build qualitySmall footprint and is lightweight enough to be used in any setupVery powerful for its size, fully drove a wall of headphonesTraded linearity with a much better tonal balanceRicher, warmer and fuller sounding than any other Topping-made amplifierSuper-extended at both ends of the spectrumBetter dynamics with harder-to-drive headphones, there’s finally a fun factor on a Topping-made amplifierAn improved transient response, especially when landing sub-bass notesLacks any kind of noise or distortion even at max power, an IEM-friendly amp for sureCrazy levels of transparency and detail-retrievalSlightly wider and deeper sounding compared to their past doings could challenge even bigger and pricier ampsOffers precise imaging and an outstanding layeringLacks glare and listening fatigueAn outstanding value!

Selling Topping A90 amp. Converted to a Dac/amp combo due to space constraints. Unit looks brand new and has no scratches that I can see. Comes with A90, power cord, manuals, box and origonal foam padding. DescriptionFeatures:Ultra-High Performance NFCA modulesA90 implemented the first member of the new NFCA (Nested Feedback Composite Amplifier) module series. Voltage Current hybrids feedback architecture along with UHGF(ultra high gain feedback) technology provides excellent DC and AC performanceHigh output current drive capability allows the amp to drive low impedance headphones with easeA90 has three output headphone jacks of 4-pin-XLR, 4.4 balanced and 6.35 SE to meet different usagesThe SE 25Vpp / balanced 49Vpp high output voltage along with high output current & less than 0.1 Ohm output impedance, A90 is provided with a wide range of adaptation to headphonesA90 is equipped with three gain settings of -9.5dB/ 0dB / 9.5dB for SE and -3.5dB / 6.0dB / 15.5dB for balanced. The noise of merely 0.2uVrms makes A90 easily adapt to all types of headphones from extremely sensitive IEMs to most power demanding full sized over-earsWhen the NFCA modules of A90 are in pre-amp mode, the 20ohm SE and 40-ohm balanced output impedance are widely suitable for various power amplifiersIt’s a great companion of active monitors stacked with D90 DAC when A90 works as a pre-amp applicationPackage Included:1 x A90 Headphone Amplifier1 x AC Cable1 x 6.35mm to 3.5mm Connector1 x User Manual1 x Warranty Card

Open Box / As New Excellent Condition / All Accessories / Working Perfect / Factory Packaging / Change Of Plans Puts This At Auction / See Details Below From Toppings Website.. TOPPING DX3Pro+ LDAC NFCA Headphone Amplifier ES9038Q2M XMOS XU208 DAC Amp USB/Opt/Coax/Bluetooth DSD512 PCM768 Hi-Res Audio DAC DX3pro Plus with Remote Control (Black) About this item?Bluetooth 5.0 & LDAC Transmission? DX3 Pro+ is equipped with new QCC5125 Bluetooth chip and supports audio encoding such as LDAC/AAC/SBC/APTX/APTX LL/APTX HD. The audio is transmitted Wirelessly and decoded using ES9038Q2M for better sound quality.?High Performance DAC Circuit?ES9038Q2M through meticulous engineering design and attention to details, DX3 Pro+ achieves 0.00015% THD+N, completely and high-fidelity restore the sound quality of the studio.?Plug And Play, Turn PC Into a HIFI Source?Dx3 Pro + uses 2nd generation 8 core XMOS XU208, USB supports up to PCM32bit/768kHz and DSD512 native. It also compatible with a variety of HIFI systems. And all inputs have achieved low Jitter, let listen to music more freely.?NFCA Circuit And Decoding Amp Application?DX3 Pro+ has a built-in NFCA headphone amplifier module tailored to it, providing low noise and distortion far superior to the industry. Connect the digital signal and earphone to DX3 Pro+, it can be used as a decoder + earphone, bringing you every detail of music.?DAC+Pre-amplifier application?DX3Pro+ has a simple Pre-amp function that you can use to adjust the volume. The digital volume adjustment will not has any imbalance between the left and right channels. Note: The voltage of the power adapter for DX3pro+is 15V.The voltage of DX3pro+ supports 110-230V, suitable for all countries.

Selling Topping A90 amp. Converted to a Dac/amp combo due to space constraints. Unit looks brand new and has no scratches that I can see. Comes with A90, power cord, manuals, box and origonal foam padding. DescriptionFeatures:Ultra-High Performance NFCA modulesA90 implemented the first member of the new NFCA (Nested Feedback Composite Amplifier) module series. Voltage Current hybrids feedback architecture along with UHGF(ultra high gain feedback) technology provides excellent DC and AC performanceHigh output current drive capability allows the amp to drive low impedance headphones with easeA90 has three output headphone jacks of 4-pin-XLR, 4.4 balanced and 6.35 SE to meet different usagesThe SE 25Vpp / balanced 49Vpp high output voltage along with high output current & less than 0.1 Ohm output impedance, A90 is provided with a wide range of adaptation to headphonesA90 is equipped with three gain settings of -9.5dB/ 0dB / 9.5dB for SE and -3.5dB / 6.0dB / 15.5dB for balanced. The noise of merely 0.2uVrms makes A90 easily adapt to all types of headphones from extremely sensitive IEMs to most power demanding full sized over-earsWhen the NFCA modules of A90 are in pre-amp mode, the 20ohm SE and 40-ohm balanced output impedance are widely suitable for various power amplifiersIt’s a great companion of active monitors stacked with D90 DAC when A90 works as a pre-amp applicationPackage Included:1 x A90 Headphone Amplifier1 x AC Cable1 x 6.35mm to 3.5mm Connector1 x User Manual1 x Warranty Card

Used Topping Pre 90 preamp in black. Great sounding preamp. See Stereophile (rated class A) and other reviews. Excellent condition. Not a scratch, mark or ding on unit. Factory box, remote and power cord. Ships to cont. US only. no returns.

Selling Topping A90 amp. Converted to a Dac/amp combo due to space constraints. Unit looks brand new and has no scratches that I can see. Comes with A90, power cord, manuals, box and origonal foam padding. DescriptionFeatures:Ultra-High Performance NFCA modulesA90 implemented the first member of the new NFCA (Nested Feedback Composite Amplifier) module series. Voltage Current hybrids feedback architecture along with UHGF(ultra high gain feedback) technology provides excellent DC and AC performanceHigh output current drive capability allows the amp to drive low impedance headphones with easeA90 has three output headphone jacks of 4-pin-XLR, 4.4 balanced and 6.35 SE to meet different usagesThe SE 25Vpp / balanced 49Vpp high output voltage along with high output current & less than 0.1 Ohm output impedance, A90 is provided with a wide range of adaptation to headphonesA90 is equipped with three gain settings of -9.5dB/ 0dB / 9.5dB for SE and -3.5dB / 6.0dB / 15.5dB for balanced. The noise of merely 0.2uVrms makes A90 easily adapt to all types of headphones from extremely sensitive IEMs to most power demanding full sized over-earsWhen the NFCA modules of A90 are in pre-amp mode, the 20ohm SE and 40-ohm balanced output impedance are widely suitable for various power amplifiersIt’s a great companion of active monitors stacked with D90 DAC when A90 works as a pre-amp applicationPackage Included:1 x A90 Headphone Amplifier1 x AC Cable1 x 6.35mm to 3.5mm Connector1 x User Manual1 x Warranty Card

Used Topping Pre 90 preamp in black. Great sounding preamp. See Stereophile (rated class A) and other reviews. Excellent condition. Not a scratch, mark or ding on unit. Factory box, remote and power cord. Ships to cont. US only. no returns.

D90SE in perfect condition, used only for a few months on a temporary setup. Paired with the A90 Discrete and you have possibly the best dac amp stack. The remote has never been used but is leaking silicone oil, apparently a common occurrence for remotes. It is in the stock bag, but I’m not sure whether it works. Feel free to request any additional information/pictures but I am not offering returns. What you see is what you get; a fully functional D90SE.

Please contact me if you have issues once your item is received before leaving negative feedback!!! UP FOR SALE IS A TOPPING D90SE MQA PREAMP DECODER. *** THIS ITEM IS LIGHTLY USED, IN EXCELLENT CONDITION, VERY LITTLE IF ANY SIGNS OF USE!!! PLEASE REVIEW ALL PICTURES AND ASK ALL NECESSARY QUESTIONS BEFORE PLACING A BID OR COMMITTING TO BUY! PLEASE CONSIDER THE PICTURES OF THE AUCTION/SALE CAREFULLY. WHAT IS IN THE PICTURES IS WHAT WILL BE RECEIVED!! THIS MEANS ***IF THE ITEM USES CUSTOM SOFTWARE OR CABLES NORMALLY SHIPPED WITH THE PRODUCT AND THEY ARE NOT SHOWN IN THE PICTURES, OR INCLUDED WHEN PURCHASED FACTORY SEALED, YOU ARE NOT BUYING THEM, YOU WILL NOT RECEIVE THEM AND WE HAVE NO BETTER WAY TO GET THEM THAN YOU. RETURNS ARE ACCEPTED. ITEMS THAT ARE SEALED MUST BE RETURNED IN SEALED/UNOPENED CONDITION OR FEES WILL APPLY!!! The pictures in the posting are of the exact item being sold and what you will receive!! Feedback will be given after feedback has been received! Thank you for checking out this posting, good luck bidding!! NO RESERVE!! PLEASE ASK ALL QUESTIONS BEFORE THE END OF AUCTION. PAYMENTS: The payment is expected within 3 days after the end of auction. CALIFORNIA TAXES WILL APPLY TO ALL CALIFORNIA PURCHASES 8%! SHIPPING: The item will be shipped within 1 business day after the payment is received unless specified differently above. ONLY SHIP WITHIN THE CONTINENTAL U.S.A! NO INTERNATIONAL SHIPPING! NO CANADA SHIPPING! NO HAWAII SHIPPING!NO P.O. BOX SHIPPING!

This unit was briefly used as a temporary preamp while my main pre was being serviced. Maybe 5 days/10 hours use max. Put back in box on a shelf until now. The Pre90 specs are extremely close to the Benchmark LA4, a legendary preamp that is a lot more expensive. So close that i suspect Topping reverse-engineered the LA4 to base this unit upon. Regardless, it’s an exceptionally clean and transparent pre. Truly the definition of getting out of the way of the music. I have experience with a lot of great gear, and have held onto this in case i needed it again. But i have plenty of redundancy now and need to declutter a bit. Kept in a dry, smoke free house in a high storage cubby. Excellent condition, basically like new. Will come with everything you see, pictures are of actual item, no stock photos. $599 new, this is a great deal.

This unit was briefly used as a temporary preamp while my main pre was being serviced. Maybe 5 days/10 hours use max. Put back in box on a shelf until now. The Pre90 specs are extremely close to the Benchmark LA4, a legendary preamp that is a lot more expensive. So close that i suspect Topping reverse-engineered the LA4 to base this unit upon. Regardless, it’s an exceptionally clean and transparent pre. Truly the definition of getting out of the way of the music. I have experience with a lot of great gear, and have held onto this in case i needed it again. But i have plenty of redundancy now and need to declutter a bit. Kept in a dry, smoke free house in a high storage cubby. Excellent condition, basically like new. Will come with everything you see, pictures are of actual item, no stock photos. $599 new, this is a great deal.

Enhance your audio experience with this TOPPING D90SE preamp and decoder. This sleek black device supports various audio inputs including coaxial digital, USB, and digital optical TOSLINK, and offers outputs through both RCA and XLR connectors. With two channels, the D90SE is perfect for home audio setups and promises high-quality audio performance. The model is compatible with FLAC, PCM, and MQA formats, making it versatile and user-friendly. Upgrade your sound system with this TOPPING D90SE preamp and decoder today.

Used in excellent condition and includes all accessories and original box.

Topping A90 Discrete NFCA Headphone Amplifier Preamplifier 6.35mm/4.4mm Balanced/4-Pin-XLR Headphone Output R2R Relay Volume Control (Silver)Brand New SealedHigh Feedback Seller - Buy With ConfidenceFree Insured ShippingLiquidation Seller - All Sales Final Product descriptionTOPPING A90 Discrete - Fully Discrete Balanced Headphone Amplifier Play VideoProbably the best sound signature of any amplifier Youve heard to date.This is the perfect amp for anyone wanting to get a completely dead-neutral reference sort of amplification.For 600, you cant go wrong.HiFi College is an authorized retailer of TOPPING.Front Panel and Rear Panel Attribute Power input: 100-240VAC 50Hz/60HzSignal input: 1 x XLR (L+R), 1 x RCA (L+R), 1 x EXTHeadphone Amplifier output: 1 x 6.35mm headphone output jack, 1 x 4-PIN-XLR headphone output jack, 1 x 4.4mm headphone output jackLine Out output: 1 x XLR (L+R), 1 x RCA (L+R)Contents list 1. A90 Discrete 2. Remote control 3. AC cable 4. 6.35mm to 3.5mm adaptor 5. User manual 6. Quality card(One-Year Transferable repair and Free Return Policy.)Fully discrete NFCA Upgraded version of the A90.The matched precision transistors ensure unparalleled distortion and noise performance.A90 Discrete vs A90 Include R2R volume relay, remote control, aground loop noise terminator switch, 12V trigger interface, redesigned UI, volume memorization, and more.Ground Loop Noise Terminator When in normal use, set it to GND; and when ground loop noise is encountered, switch it to LIFT. Then the ground loop noise is eliminated.12V Trigger interface Set it to (trigger out) or (trigger in), and it can be turned on and off synchronously with other devices equipped with a 12V trigger interface.Compatible with headphone jack 4-Pin-XLR, 4.4mm balanced, 6.35mm SEDrive different headphones Output Voltage: 49Vpp @Balanced / 25Vpp@SE Output Current: Peak 5A / Continuous 1.1A Output Impedance: >0.1 ?Low distortion In addition to the high output power, the A90 Discrete can maintain ultra-low distortion output under high power load.2 Gain settings low gain to drive the IEMs with high sensitivity, and high gain to drive full-sized over-ears.Pre-amp mode 20ohm SE and 40ohm balanced output impedance are widely suitable for connecting a power amplifier to drive bookshelf, desktop, or floor speakers.If working with a Ext90 When working with a Ext90, they could provide totally 4 x XLR and 2 x RCA stereo inputs.R2R relay volume control brings the advantages of precise control, longevity, complete channel balanced and remote control. Also can set to memorize the volume.Remote controller All above operation could be done by a remote controllerWhat pairs well TOPPING D90SE/LE DAC The A90 Discrete can be used with the D90SE/D9OLE DAC, which is almost the lowest distortion HPA + DAC combination.TOPPING LA90 Class AB Power Amplifier The A90 Discrete can also be used as the preamp of the LA90, providing more precise volume control, remote control, and additional input.Features & details ?Fully discrete NFCA also create wonderful amp? A90 Discrete uses fully discrete components to redesign the NFCA (Nested Feedback Composite Amplifier)module. 4 built-in NFCA-Discrete modules which each them uses 39 transistors build up fully balanced structure. The optimized Voltage Current hybrid feedback architecture along with UHGF (Ultra High Gain Feedback) technology provide excellent DC and AC performance.?High output voltage, high current, low output impedance, no headphones that cant be dealt with?High output voltage can easily drive high impedance headphones; High output current allows low-sensitivity headphones to obtain enough power; The low output impedance will not bring unnecessary effect on FR when driving low-impedance headphones. Different headphones can be easily driven by the A90 Discrete.?2 Gain settings? The A90 Discrete has two gain options, which are enough to cover a wide variety of headphones: low gain to drive the IEMs with high sensitivity, and high gain to drive full-sized over-ears. Combined with the 0.2uVrms ultra-low noise, even sensitive lEMs will not suffer from any noise.?Ground Loop Noise Terminator? Ground loop noise may be encountered when multiple devices are used in combination. A90 Discrete adds a GND/LIFT switch to solve this problem. When in normal use, set it to GND; and when ground loop noise is encountered, switch it to LIFT. Then the ground loop noise is eliminated.?A Headphone Amp, also a Preamp? When it is in preamp mode, you can get the same high performance as the headphone amp mode, and the 20ohm SE and 40ohm balanced output impedance are widely suitable for various power amplifiers. A90 Discrete can not only switch between the headphone amp (only output from the headphone jack) and the preamp(only output from RCA and XLR), but also support the output from all at the same time

TOPPING Pre90 Ultra Hochleistung Vorverstärker Gebrauchte Guter ZustandDas Datenblatt dieses Produkts wurde ursprünglich auf Englisch verfasst. Unten finden Sie eine automatische Übersetzung ins Deutsche. Sollten Sie irgendwelche Fragen haben, kontaktieren Sie uns.  href=https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css> TOPPING Pre90 | Ultrahochleistungs-Vorverstärker | GEBRAUCHT, GUTER ZUSTAND  Beschreibung Modellnummer: Pre90Garantiezeitraum: 6 Monate Garantiert Geschätzter Versand: 3-4 Tage späterRegistrierungsdatum: 17. September 2023Maximale Leistung210WMerkmale/HinweiseKompatibel mit 3 Eingangssystemen: XLR (TRS) und RCA-Eingang. Erzielt eine geringe Verzerrung auf dem gleichen Niveau wie die DAC-Verzerrung. Maximal 210 W (4 ?/10 % THD+N), 200 W (4 ?) selbst bei dem hohen Standard von 1 % THD+N.Merkmale/HinweiseEs gibt Kratzer und Flecken, die auf den Fotos nicht sichtbar sind.Merkmale/HinweiseEs gibt kein anderes Zubehör als die auf dem Foto.WEB-Nr. 1010160000030456[Anzeige basierend auf dem Secondhand Goods Business Law: Kommission für öffentliche Sicherheit der Präfektur Niigata Nr. 461060001043]?Hinweis nur für eingeschaltete Produkte. Produkte, die sich nicht einschalten lassen, sind nicht berechtigt.?  Die Stromversorgung für dieses Produkt ist AC100V 50/60Hz.In einigen Ländern ist möglicherweise ein Transformator erforderlich.Bitte bereiten Sie den Transformator kaufseitig vor. Steckdosenspezifikationen ?A-TypWenn es sich vom A-Typ unterscheidet, ist ein Konverter erforderlich.     Sie in anderen Bereichen als 100 V.Wenn Sie den von mir verkauften Transformator verwenden, können Sie ihn in anderen Bereichen als 100 V verwenden.eBay.comhttps://www.ebay.com/itm/373547463184Ebay UKhttps://www.ebay.com/itm/373547520813eBay.euhttps://www.ebay.com/itm/373547520926eBay.auhttps://www.ebay.com/itm/373547520958Wir verkaufen auch außerhalb von eBay.com.Bitte kontaktieren Sie uns, wenn Sie einen Kauf tätigen möchten.Wenn Sie weitere Fragen haben, kontaktieren Sie mich bitte.* In einigen Gebieten ist dies möglicherweise nicht möglichBitte überlegen Sie sorgfältig.Zahlung ??Wir akzeptieren nur Zahlungen per PayPal.??Bitte zahlen Sie innerhalb ??3 Tage nach Auktionsende. Versand Kostenloser VersandVersand per Express-EMS, DHL oder FedExWir liefern mit der schnellsten Versandart.Versand mit Schadens-/VerlustversicherungMit einer Verfolgungs Nummer??(10-15 Tage in die USA) ??(10-30 Tage oder mehr in andere Länder) Verkaufsbedingungen ??[Über zurückgegebene Waren]????Rücksendungen werden nur akzeptiert, wenn der Artikel im Originalzustand war?   nicht der in der Auktion beschriebene Artikel.            [Zurückkehren]       Rücksendungen aus persönlichen Gründen werden nicht akzeptiert.    Internationale Käufer – Bitte beachten Sie: Einfuhrzölle, Steuern und Gebühren sind nicht im Artikelpreis oder den Versandkosten enthalten. Diese Gebühren liegen in der Verantwortung des Käufers. Bitte erkundigen Sie sich vor dem Bieten oder Kaufen beim Zollamt Ihres Landes, wie hoch diese zusätzlichen Kosten sein werden.  Bereitgestellt von HARUModellnummer: Pre90Garantiezeitraum: 6 Monate Garantiert Geschätzter Versand: 3-4 Tage späterRegistrierungsdatum: 17. September 2023Maximale Leistung210WMerkmale/HinweiseKompatibel mit 3 Eingangssystemen: XLR (TRS) und RCA-Eingang. Erzielt eine geringe Verzerrung auf dem gleichen Niveau wie die DAC-Verzerrung. Maximal 210 W (4 ?/10 % THD+N), 200 W (4 ?) selbst bei dem hohen Standard von 1 % THD+N.Merkmale/HinweiseEs gibt Kratzer und Flecken, die auf den Fotos nicht sichtbar sind.Merkmale/HinweiseEs gibt kein anderes Zubehör als die auf dem Foto.WEB-Nr. 1010160000030456[Anzeige basierend auf dem Secondhand Goods Business Law: Kommission für öffentliche Sicherheit der Präfektur Niigata Nr. 461060001043]?Hinweis nur für eingeschaltete Produkte. Produkte, die sich nicht einschalten lassen, sin MPN Does not apply Audio Outputs RCA, XLR Brand TOPPING UPC Does not apply Model Pre90 Type Preamplifier Audio Inputs XLR

href=https://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css> TOPPING Pre90 | Ultra High Performance Pre-amplifier | PRE-OWNED GOOD CONDITION Description Model number: Pre90Warranty period: 6 months GuaranteedEstimated shipping: 3-4 days laterRegistration date: September 17, 2023Maximum output210WFeatures/NotesCompatible with 3 input systems: XLR (TRS) and RCA input. Achieves low distortion at the same level as DAC distortion. Maximum 210W (4?/10% THD+N), 200W (4?) even at the high standard of 1% THD+N.Features/NotesThere are scratches and stains that are not visible in the photos.Features/NotesThere are no accessories other than those in the photo.WEB No.1010160000030456[Display based on the Secondhand Goods Business Law: Niigata Prefecture Public Safety Commission No. 461060001043] ?Note only for products that are turned on.?????????????Products that do not turn on are not eligible? The power supply for this product is AC100V 50/60Hz.A transformer may be required in some countries.Please prepare the transformer on the purchase side. Outlet specifications??A typeIf it is different from A type, a converter is required. You in areas other than 100V.If you use the transformer I sell, you can use it in areas other than 100V.ebay.comhttp://www.ebay.com/itm/373547463184ebay.ukhttps://www.ebay.com/itm/373547520813 ebay.euhttps://www.ebay.com/itm/373547520926ebay.auhttps://www.ebay.com/itm/373547520958We also sell other than ebay.com.Please contact us if you would like to purchase.If you have any other questions, please contact me.* It may not be possible in some areasPlease consider carefully.Payment ??We accept payment by PayPal only. ??Please payment within ??3 days after the auction closed. Shipping free shippingShip by express EMS?or DHL or FedExWe will deliver by the fastest delivery method. Shipment with damage / loss insuranceWith tracking number ??(10-15 days to US) ??(10-30days or more to Other countries) Terms of Sale ??[About returned goods]????Returns are accepted only if the item was ? not the item described in the aution. [Return] Returned goods for personal reasons will not be accepted. International Buyers - Please Note: Import duties, taxes, and charges are not included in the item price or shipping cost. These charges are the buyers responsibility. Please check with your countrys customs office to determine what these additional costs will be prior to bidding or buying. Provided by HARU

Topping A90 Discrete NFCA Headphone Amplifier Preamplifier 6.35mm/4.4mm Balanced/4-Pin-XLR Headphone Output R2R Relay Volume Control (Silver)Brand New SealedHigh Feedback Seller - Buy With ConfidenceFree Insured ShippingLiquidation Seller - All Sales Final Product descriptionTOPPING A90 Discrete - Fully Discrete Balanced Headphone Amplifier Play VideoProbably the best sound signature of any amplifier Youve heard to date.This is the perfect amp for anyone wanting to get a completely dead-neutral reference sort of amplification.For 600, you cant go wrong.HiFi College is an authorized retailer of TOPPING.Front Panel and Rear Panel Attribute Power input: 100-240VAC 50Hz/60HzSignal input: 1 x XLR (L+R), 1 x RCA (L+R), 1 x EXTHeadphone Amplifier output: 1 x 6.35mm headphone output jack, 1 x 4-PIN-XLR headphone output jack, 1 x 4.4mm headphone output jackLine Out output: 1 x XLR (L+R), 1 x RCA (L+R)Contents list 1. A90 Discrete 2. Remote control 3. AC cable 4. 6.35mm to 3.5mm adaptor 5. User manual 6. Quality card(One-Year Transferable repair and Free Return Policy.)Fully discrete NFCA Upgraded version of the A90.The matched precision transistors ensure unparalleled distortion and noise performance.A90 Discrete vs A90 Include R2R volume relay, remote control, aground loop noise terminator switch, 12V trigger interface, redesigned UI, volume memorization, and more.Ground Loop Noise Terminator When in normal use, set it to GND; and when ground loop noise is encountered, switch it to LIFT. Then the ground loop noise is eliminated.12V Trigger interface Set it to (trigger out) or (trigger in), and it can be turned on and off synchronously with other devices equipped with a 12V trigger interface.Compatible with headphone jack 4-Pin-XLR, 4.4mm balanced, 6.35mm SEDrive different headphones Output Voltage: 49Vpp @Balanced / 25Vpp@SE Output Current: Peak 5A / Continuous 1.1A Output Impedance: >0.1 ?Low distortion In addition to the high output power, the A90 Discrete can maintain ultra-low distortion output under high power load.2 Gain settings low gain to drive the IEMs with high sensitivity, and high gain to drive full-sized over-ears.Pre-amp mode 20ohm SE and 40ohm balanced output impedance are widely suitable for connecting a power amplifier to drive bookshelf, desktop, or floor speakers.If working with a Ext90 When working with a Ext90, they could provide totally 4 x XLR and 2 x RCA stereo inputs.R2R relay volume control brings the advantages of precise control, longevity, complete channel balanced and remote control. Also can set to memorize the volume.Remote controller All above operation could be done by a remote controllerWhat pairs well TOPPING D90SE/LE DAC The A90 Discrete can be used with the D90SE/D9OLE DAC, which is almost the lowest distortion HPA + DAC combination.TOPPING LA90 Class AB Power Amplifier The A90 Discrete can also be used as the preamp of the LA90, providing more precise volume control, remote control, and additional input.Features & details ?Fully discrete NFCA also create wonderful amp? A90 Discrete uses fully discrete components to redesign the NFCA (Nested Feedback Composite Amplifier)module. 4 built-in NFCA-Discrete modules which each them uses 39 transistors build up fully balanced structure. The optimized Voltage Current hybrid feedback architecture along with UHGF (Ultra High Gain Feedback) technology provide excellent DC and AC performance.?High output voltage, high current, low output impedance, no headphones that cant be dealt with?High output voltage can easily drive high impedance headphones; High output current allows low-sensitivity headphones to obtain enough power; The low output impedance will not bring unnecessary effect on FR when driving low-impedance headphones. Different headphones can be easily driven by the A90 Discrete.?2 Gain settings? The A90 Discrete has two gain options, which are enough to cover a wide variety of headphones: low gain to drive the IEMs with high sensitivity, and high gain to drive full-sized over-ears. Combined with the 0.2uVrms ultra-low noise, even sensitive lEMs will not suffer from any noise.?Ground Loop Noise Terminator? Ground loop noise may be encountered when multiple devices are used in combination. A90 Discrete adds a GND/LIFT switch to solve this problem. When in normal use, set it to GND; and when ground loop noise is encountered, switch it to LIFT. Then the ground loop noise is eliminated.?A Headphone Amp, also a Preamp? When it is in preamp mode, you can get the same high performance as the headphone amp mode, and the 20ohm SE and 40ohm balanced output impedance are widely suitable for various power amplifiers. A90 Discrete can not only switch between the headphone amp (only output from the headphone jack) and the preamp(only output from RCA and XLR), but also support the output from all at the same time

For sale is a mint condition barely used Topping Pre90 preamplifier. This DOES NOT include the Ext90 input extender. I purchased this unit new and used it for a short while. I no longer need it so I am selling it. It works perfectly and sounds great. The remote, power cable and user manual are included.Shipping to continental US only.Product highlightsFully balanced pre-amp with +16 maximum gainRun two amps from the pre-ampSafe volume function protect equipment and hearingFully functional remote controlAdd up to 6 input ports to your 90 stackTHD+N: <0.00007% @1kHz A-wtTHD: <0.0003%@20-20kHz 90kBWSINAD: 124dB @1Khz A-wtSNRSE IN/SE OUT: 141dB @1kHz A-wtBAL IN/SE OUT: 137dB @1kHz A-wtSE IN/BAL OUT: 145dB @1kHz A-wtBAL IN/BAL OUT: 138dB @1kHz A-wtDynamic rangeSE IN/SE OUT: 141dB @1kHz A-wtBAL IN/SE OUT: 137dB @1kHz A-wtSE IN/BAL OUT: 145dB @1kHz A-wtBAL IN/BAL OUT: 138dB @1kHz A-wtFrequency response: 20 - 100,000Hz (+/-0.1dB)Output levelSE IN/SE OUT: 25VppBAL IN/SE OUT: 25VppSE IN/BAL OUT: 50VppBAL IN/BAL OUT: 50VppAP measured noise level @A-wtSE IN/SE OUT: <0.7uVrmsBAL IN/SE OUT: <0.7uVrmsSE IN/BAL OUT: <0.9uVrmsBAL IN/BAL OUT: <0.9uVrmsActual noise level @A-wtSE IN/SE OUT: <0.3uVrmsBAL IN/SE OUT: <0.3uVrmsSE IN/BAL OUT: <0.6uVrmsBAL IN/BAL OUT: <0.6uVrmsChannel crosstalk @1kHzSE IN/SE OUT: -130dBBAL IN/SE OUT: -137dBSE IN/BAL OUT: -140dBBAL IN/BAL OUT: -140dBChannel balanceSE IN/SE OUT: +10db - -60dB +/-0.5dBBAL IN/SE OUT: +10db - -60dB +/-0.5dBSE IN/BAL OUT: +16db - -60dB +/-0.5dBBAL IN/BAL OUT: +16db - -60dB +/-0.5dBIMD CCIF @(18kHz+19kHz): -115dBIMD SMPTE @(60Hz+7kHz): -115dB@SMPTE4: 1Input sensitivitySE IN/SE OUT: 9.2Vrms@0dBBAL IN/SE OUT: 9.3Vrms@0dBSE IN/BAL OUT: 9.2Vrms @0dBBAL IN/BAL OUT: 9.3Vrms@0dBVolume rangeSE IN/SE OUT: +10db - -99dBBAL IN/SE OUT: +10db - -99dBSE IN/BAL OUT: +16db - -99dBBAL IN/BAL OUT: +16db - -99dBOutput impedanceSE IN/SE OUT: 20?BAL IN/SE OUT: 20?SE IN/BAL OUT: 40?BAL IN/BAL OUT: 40?Output DC Configuration: <1mVrmsWhat’s includedPre90 contents list1x Pre90 Preamplifier1x remote1x AC cable1x user manual1x warranty card

Verkauf wegen Neuanschaffung. Optik siehe Fotos. Technisch einwandfrei.Ab sofort schreibt das neue EU-Gesetz vor, nachfolgenden Vermerk aufzuführen: Ich verkaufe beim einen Auktionen ausschl.Gebrauchtware, sofern nicht anders beschrieben. Diese Waren sind aus meinem Privatbesitz und ich verfolge mit meinen Auktionen keinerlei gewerbliche Zwecke. Eine Rechnung gibt es hier für nicht. Ich erkläre ausdrücklich, dass ich für meine privat verkauften Artikel keine Gewährleistung und keine Rücknahme übernehme.

Pristine condition. Only used for a few months. Plastic still on display screen. Comes in original boxing. Remote. Power cord.

Very lightly used and works perfectly. Comes with the original box, remote and all the included accessories.

Well reviewed and highly transparent Topping E50 DAC. The unit was used in my main system and is in excellent condition. I will also include an original iPad charger for clean power source. I will ship to lower 48 US states only. Thank you and happy bidding.

Description TOPPING D90SE MQA ES9038PRO DSD1024 DAC RCA XLR USB IIS CPLD Preamp Decoder USED[Condition]USED:ExcellentOperation confirmed?set content?Main bodyoperating instructionsRemote controllerUSB cableAC power cord (3 pin)bluetooth antennaThere is a slight scratch on the top, but there is no problem with using it.Operation confirmed.?Full Balanced MQADAC: D90se is a new D90 decoder with improved MQA performance and broader support.?High-quality D90se decoder: D90SE uses ESS SABERES9038PRO and 2nd generation 16-core XMOS XU216.?Bluetooth5.0 LDAC transmission: D90SE has passed Hi-Res Audio Wireless and LDAC certification. Using CSR8675 chipset, supports LDAC/AAC/SBC/APTX/APTX LL/APTXHD protocols.?Selectable Outputs: D90SE features balanced XLR outputs and single-ended RCA outputs. You can choose between XLR only, RCA only or XLR + RCA output to suit different applications.?Preamp function and remote control: In addition to the DAC mode with fixed output level, the D90se also has a DAC + preamp mode in this mode, which allows you to control the output volume with the front panel or remote control. Please refer to the pictures for more details. Please check the photos and dont hesitate to ask any questions about the item !Thank you.International Buyers - Please Note:Import duties, taxes, and charges are not included in the item price or shipping cost.These charges are the buyers responsibility. Please check with your countrys customs office to determine what these additional costs will be prior to bidding or buying

Original owner bought new 4/23. Selling after upgrade.