Open box. No cables included. No remote included. Amplifier only. Enhance your audio experience with this top-of-the-line SMSL SP400 headphone amplifier. With its full balanced connection and THX AAA 888 technology, you can expect unparalleled sound quality for your favorite headphones. It features XLR and RCA audio inputs for versatile connectivity options, and a sleek black design that is sure to complement any setup. The SMSL SP400 is a high-end headphone amplifier that is perfect for audiophiles and music enthusiasts alike. Its powerful sound output, precise audio rendering, and superior quality make it a must-have for anyone looking to take their listening experience to the next level.

Open box. No cables included. No remote included. Enhance your audio experience with this top-of-the-line SMSL SP400 headphone amplifier. With its full balanced connection and THX AAA 888 technology, you can expect unparalleled sound quality for your favorite headphones. It features XLR and RCA audio inputs for versatile connectivity options, and a sleek black design that is sure to complement any setup. The SMSL SP400 is a high-end headphone amplifier that is perfect for audiophiles and music enthusiasts alike. Its powerful sound output, precise audio rendering, and superior quality make it a must-have for anyone looking to take their listening experience to the next level.

SMSL SP400 THX balanced headphone amplifier and SMSL M400 balanced DAC in mint condition.Includes XLR interconnectsPower cable2 remotes and batteriesUSB cableUpgraded flexible 6.35mm to 3.5mm adapterXLR to 4.4mm adapter These take advantage of a 5 volt input DAC for added current (no clipping, it was designed for its 5 volt companion DAC). Its an end game stack that can power any headphones on the market with complete transparency. Mint condition and everything has been tested, works flawlessly. We ship to all countries supported by the eBay international shipping program. Please send a note with any questions for a prompt reply. See our feedback.We ship the same day on orders before 12 noon EST Mon-Fri and 10am Saturday. Your order will be packed and boxed very carefully insured with signature required.Visit our store, we specialize in audio equipment, and constantly have new items arriving.

SMSL SP400 headphone amplifier with balanced XLR and unbalanced RCA inputs. 4 pin and 6.3mm headphone output. XLR preamp output. Includes box, remote, and power cable.

Open box. No cables included. No remote included. Enhance your audio experience with this top-of-the-line SMSL SP400 headphone amplifier. With its full balanced connection and THX AAA 888 technology, you can expect unparalleled sound quality for your favorite headphones. It features XLR and RCA audio inputs for versatile connectivity options, and a sleek black design that is sure to complement any setup. The SMSL SP400 is a high-end headphone amplifier that is perfect for audiophiles and music enthusiasts alike. Its powerful sound output, precise audio rendering, and superior quality make it a must-have for anyone looking to take their listening experience to the next level.

SMSL SP400 headphone amplifier with balanced XLR and unbalanced RCA inputs. 4 pin and 6.3mm headphone output. XLR preamp output. Includes box, remote, and power cable.

SMSL SP400 Full Balanced THX AAA 888 6.5mm SE Out XLR RCA Headphone Amplifier. New. No box. No cables no remote.

SMSL SP400 THX balanced headphone amplifier and SMSL M400 balanced DAC in mint condition. Includes XLR interconnects, power cable, 2 remotes, batteries, USB cable, and upgraded flexible 6.35mm to 3.5mm adapter. These take advantage of a 5 volt input DAC for added current (no clipping, it was designed for its 5 volt companion DAC). Its an end game stack that can power any headphones on the market with complete transparency. Mint condition and everything has been tested, works flawlessly. Please send a note with any questions for a prompt reply. See our feedback (very proud of it). We ship the same day on orders before 12 noon EST Mon-Fri and 10am Saturday. Your order will be packed and boxed very carefully insured with signature required.Visit our store, we specialize in audio equipment, and constantly have new items arriving.

SMSL SP400 Full Balanced THX AAA 888 6.5mm SE Out XLR RCA Headphone Amplifier. New. No box. No cables no remote.

SMSL SP400 Full Balanced THX AAA 888 6.5mm SE Out XLR RCA Headphone Amplifier. New. No box. No cables no remote.

SMSL SP400 Full Balanced THX AAA 888 6.5mm SE Out XLR RCA Headphone Amplifier. New. No box. No cables no remote.

SMSL SP400 Full Balanced THX AAA 888 6.5mm SE Out XLR RCA Headphone Amplifier. New. No box. No cables no remote.

SMSL SP400 Full Balanced THX AAA 888 6.5mm SE Out XLR RCA Headphone Amplifier. New. No box. No cables no remote.

Original owner bought from headphones.com, don’t have original boxes. This SMSL SP400 + SMSL M400 Headphone Amplifier DAC Stack is the perfect addition to your home audio setup. With a sleek black design, this amplifier and DAC stack is both stylish and functional. It features stereo L/R RCA and XLR audio inputs, as well as XLR audio outputs, allowing you to easily connect all of your favorite devices. I was driving both planar and dynamic headphones without issues: Sennheiser HD 800S, HD 650, Audeze LCD-3, HifiMan Arya Stealh V3. Combo did a great job, M400 is a wonderful DAC, I was using the I2S connections, USB, and connected via XLR. Read reviews on both the DAC and headphone amp. This stack includes the SMSL SP400 and M400 models, both in perfect condition. Include power cables, manuals, remotes, Schiit Pyst (Snake oil) 10” XLR cables, $40 at Schiit included with sale for free. Do not have original boxes, but will ship protected and insured for purchase price. M400 specs: The SMSL M400 MQA DAC will use the newest high performing D/A chip from AKM, the AK4499. It supports MQA decoding, PCM 32bit / 768 kHz, and DSD512 Native. It supports UAT files, comes with a high-end power supply, and includes a jitter clock design. The M400 has USB, Optical, Coaxial, Bluetooth, and IIS inputs. For outputs, it has RCA and XLR capability. Finally, it comes with a remote control for ease of use from a distance. Specs: D/A Chip: AK4499EQ Contains XMOS XU216 Chip Contains 2 ACCUSILICON Crystal Oscillators Supports MQA Decoding Bluetooth 5.0 Capability Supports UAT: 24bit/192kHz Supports LDAC: 24bit/96kHz Supports aptX HD: 24bit/48kHz Supports AAC: 16bit/44.1kHz DSD512 Native PCM 32bit/768kHz SNR: 131dB THD+N (A-weighted): 0.000058% (-124dB) Dynamic Range: 131dB SP400 specs: Product highlights THXAAA-888 Headphone Amplifier with THX AAA Technology Ultra-compact design Balanced stereo headphone output Pre-amplifier application Balanced stereo line input High precision resistors for temperature stability Pop-less design with high-quality relays High precision and low noise 256-level relay volume control 3-position switchable gain control DC, over-voltage, over-current, short-circuit and thermal protection High-efficiency ultra-low-noise power supply Full function remote 1.9” LCD display Inputs: 1 balanced, 1 unbalanced Outputs: 1 balanced, 1 unbalanced, 1 pre-balanced Output power Balanced 12W x 2 (16?) 6W x 2 (32?) 880mW x 2 (300?) 440mW x 2 (600?) Unbalanced 6W x 2 (16?) 3W x 2 (32?) 440mW x 2 (300?) 220mW x 2 (600?) SNR: 133dB, A-weighted Output noise: 1.9uV, A-weighted THD+N: -123dB, 0.00007% (1kHz, 32?) THD+N: -117dB, 0.00013% (20-20kHz, 32?, -3dB) THD: <-125dB, 0.00006% Input impedance: 47k? Output impedance: Near 0 ? Frequency Response: 0.1Hz - 500,000Hz(-3dB) Power supply voltage/frequency: AC100-240V, 50-60Hz Power consumption (EN60065): <40W Power consumption in standby mode: <0.1W Size: 8.66 x 8.4 x 1.69” (220 x 215 x 43mm) Weight: 2.9lbs (1330g)o

SMSL SP400 Full Balanced THX AAA 888 6.5mm SE Out XLR RCA Headphone Amplifier. New. No box. No cables no remote.

ShippingDHL or FedEx or Japan Post. - Orders are shipped within 5-10 business day after received payment.- We can only ship to the registered address as stated in your payment . International Buyers - Please Note:Electronics that uses a power supply should pay attention to the voltage.Most of the Electronics we sell operates on 100v.Always make sure you have the correct voltage before connecting to the power supply.Depending on the Electronics and country, a transformer may be required.Malfunctions caused by connecting the wrong voltage cannot be returned.Please be careful.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.

SMSL SP400 Full Balanced THX AAA 888 6.5mm SE Out XLR RCA Headphone Amplifier. New. No box. No cables no remote.

SMSL SP400 Full Balanced THX AAA 888 6.5mm SE Out XLR RCA Headphone Amplifier. New. No box. No cables no remote.

Hardly used, was in a speaker setup as preamp, ended up not needing it by switching to an integrated. It’s basically new, so my loss is your gain!

SMSL SP400 THX balanced headphone amplifier and SMSL M400 balanced DAC in mint condition. Includes XLR interconnects, power cable, 2 remotes, batteries, USB cable, and upgraded flexible 6.35mm to 3.5mm adapter. These take advantage of a 5 volt input DAC for added current (no clipping, it was designed for its 5 volt companion DAC). Its an end game stack that can power any headphones on the market with complete transparency. Mint condition and everything has been tested, works flawlessly. Please send a note with any questions for a prompt reply. See our feedback (very proud of it). We ship the same day on orders before 12 noon EST Mon-Fri and 10am Saturday. Your order will be packed and boxed very carefully insured with signature required.We ship UPS and Fedex as well as USPS and ship US Mail by default. Please leave a note in the note to seller at checkout if one shipper works better for your location. Visit our store, we specialize in audio equipment, and constantly have new items arriving.

SMSL SP400 Full Balanced THX AAA 888 6.5mm SE Out XLR RCA Headphone Amplifier. New. No box. No cables no remote.

Purchased new September 2022. Excellent condition, sounds amazing! The preamp section is great so you can easily connect to an amp and control volume with the remote. There are a few very light marks on the top because I had a DAC on top of it, but it still looks nice and shiny.

This item is USED in good working condition. This listing includes all items pictured in listing photos ONLY.Please view listing photos for further condition details.