Description
BRAND NEW!MSRP: $289.99Item is priced to sell fast!! Cayin RU7 Portable USB DAC/Amp Dongle with 1-Bit Resistive Ladder DAC, DSD64/128/256 Support, OLED Screen High Feedback Seller - Buy With Confidence Product descriptionIntroducing the all-new Cayin RU7 Introducing the all-new Cayin RU7, a portable USB DAC/AMP featuring a fully discrete 1-Bit R2R design. Experience pristine sound quality and natural tones when connecting the RU7 to your smartphone, tablet, or laptop/PC. With its fully-balanced resistors network discrete 1-bit DAC, the RU7 supports pure DSD decoding and even offers an All-to-DSD function for music upscaling. Enjoy dual-headphone outputs with 3.5mm single-ended and 4.4mm balanced connections, providing a powerful output of up to 400mW. The RU7 also features line-out support with fixed voltage output. Immerse yourself in captivating soundscapes and elevate your listening experience with this state-of-the-art DAC circuit. Key Features Fully Balanced Resistor Networks Discrete 1-Bit DAC for DSD Format Experience audio excellence like never before with the RU7, Shanlings purpose-built micro-miniaturized 1-bit DAC circuit. Meticulously designed with discrete components, it effortlessly converts digital signals to immersive analog sound through a fully differentiated 4-channel architecture. Featuring a resistor network composed of 128 high precision thin film resistors, this circuit closely resembles the renowned discrete DAC of Shanlings N7 DAP. The output passes through a 3-level active LPF, ensuring pristine audio quality, and then seamlessly converts to a single-ended signal for convenient volume adjustment. Low Power Consumption Compatible with Common Platforms Compared to highly integrated DAC chipsets, the discrete resistor network in the RU7 is a low-power DAC circuit, effectively minimizing power drain from the mobile source. Through a redesigned amplification circuit, we have dramatically increased the output power while maintaining the overall power consumption at a range of 100-110mA. This low power consumption feature ensures compatibility of the RU7 with the following audio sources: – Android based mobile devices – iOS and iPad OS mobile devices – macOS computers – Windows 7/8/8.1/10 computers – Digital Audio Players with USB audio output High Power Parallel Phone Amplifiers The system features dual amplifiers connected in parallel, delivering a high-power balanced output across four channels. The second amplifier specifically functions as a parallel unity gain inverting phase amplifier. This notable enhancement significantly boosts your phones output power, providing an impressive upgrade. 3.5mm SE, 160mW @32? 4.4mm BAL, 400mW @32? Shared Line Out Conveniently Connected The shared line-out function allows you to configure the 3.5mm or 4.4mm phone output, bypassing the volume control: 3.5mm Single-ended, 1.2 Vrms 4.4mm Balanced, 2.4 Vrms The line-out voltage is carefully selected to preserve the intricate details and dynamic range of the 1-bit DAC, minimizing noise and distortion. This enables you to connect the RU7 to portable/desktop amplifiers or home audio systems, utilizing it as a miniature 1-bit DAC. Discrete Volume Control The discrete resistor network DAC circuit places high demands on the integrity of incoming data. To ensure the quality of the audio digital signal, we recommend users to keep the digital volume of their mobile phones at full output. In situations where off-the-shelf analog volume options fail to meet the high precision, low noise, and low power consumption requirements of the RU7, we have developed our own discrete resistor network volume control. This unique volume control solution features 100 steps, achieved through 3 segments of resistors and switching relays, providing precise control over a wide volume range, satisfying even the needs of the most sensitive IEM users. Outstanding Digital Audio Capability with User Selectable All-to-DSD The RU7 supports PCM up to 384kHz and native DSD from DSD64 to DSD256. Its audio bridge receives different audio formats and undergoes high precision signal enhancement. All digital audio signals are converted to a designated DSD format before being fed to the discrete 1-bit DAC circuit. An All-Rounder – The OLED screen on the RU7 boasts a resolution of 128x64 pixels, providing excellent visibility for displaying playback information. – Featuring a hardware volume button that conveniently doubles as a menu selection button when entering Mode setting. – Smaller and lighter, with chamfering to enhance its ergonomic feel for an even better and more comfortable grip. – Boasting smoothly curved surfaces that enhance its aesthetic appeal and tactile experience. Bundled Protective Case Indulge in the soft and tender embrace of our handmade magnetic leather case, specifically designed for the RU7. This meticulously crafted case offers a precise cutout, ensuring a snug and protective fit while presenting an elegant aesthetic. Accompanying the case are two circular metal plates with adhesive tape pads for added convenience. Included components Specifications DAC Fully Balanced Resistor Networks, Discrete 1-Bit DSD DAC USB Type C: USB Audio Input Digital Decoding In: PCM 44.1kHz ~ 384kHz, DSD64/128/256, Native All to DSD DSD64/128/256 (user select) Control Volume +/-, Mode Chassis CNC Aluminum Phone Out Line Out 3.5 mm Single-ended (Shared), 4.4 mm Balanced (Shared) Display 0.96 inch 128x64 OLED Accessories USB C to C cable (Shielded), USB A to C adapter Case Leather Case (Bundled) Dimension 66 mm x 24 mm x 12 mm Net Weight ~25g Features & details 1-BIT RESISTIVE LADDER DAC – Discover unparalleled audio excellence with the RU7 by Shanling. Its custom-built micro-miniaturized 1-bit DAC circuit effortlessly converts digital signals to immersive analog sound. Meticulously designed with discrete components and a 4-channel architecture, it rivals the renowned discrete DAC of Shanlings N7 DAP. With 128 high precision thin film resistors and a 3-level active LPF, the RU7 delivers pristine audio quality and convenient volume adjustment.HIGH POWER BALANCED OUTPUT ACROSS 4 CHANNELS – Experience a notable upgrade with the systems dual amplifiers operating in parallel, delivering a high-power balanced output across four channels. The second amplifier acts as a parallel unity gain inverting phase amplifier, greatly amplifying your phones output power for an impressive performance boost.DISCRETE VOLUME CONTROL – The RU7s discrete resistor network volume control provides 100 precise steps, meeting high standards for precision, noise, and power consumption. It satisfies the needs of discerning IEM users with 3 resistor segments and switching relays.AN ALL ROUNDER – The RU7 boasts a high-resolution OLED screen (128x64 pixels) for clear playback information. Its hardware volume button doubles as a menu selection button, adding convenience. With chamfering for an ergonomic grip and smooth curved surfaces, it combines aesthetics and comfort.LEATHER CASE INCLUDED – Enjoy the luxury of a custom-made magnetic leather case for the RU7. With a precise cutout and meticulous craftsmanship, it offers a snug fit and stylish design. It comes with two metal plates and adhesive tape pads for added convenience
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