Specification Brand : FLYINSKY BulletPoint1 : R2R architecture AD1865 NOS tube version DAC (can support 24-bit input), using all positive power supply, CS8412 receiving, AD1865, passive iV single-ended 6N11(6922) output, 6Z4 rectifier buffer. Compared with other non-R2R decoders, the 18-bit AD1865 of the R2R decoding chip has deeper bass dive, more bass overtones, and the sound does not float. NOS has stronger jitter immunity than oversampling and is less affected by time base jitter error distortion. BulletPoint2 : NOS non-oversampling decoding is more realistic and more flexible than most decoders with digital filters, while general oversampling decoding uses digital filters It is easy to appear the sound beam spread and cause the playback sound to spread unreal. The tube audio output makes the frequency response more balanced, the sound density is high, and the analog taste is further enhanced. BulletPoint3 : 【Driver- Convenience】- Embrace simplicity with digital converter box for tv. This device requires no drivers, making it a breeze to use across all major operating systems. Just plug it into your USB interface and insert headphones to enjoy instant sound without any technical hassle. BulletPoint4 : 【Direct Connectivity】- With the digital-analog converters, easily link to your USB hub. Simply connect and enjoy an uncomplicated way to experience exceptional sound – no drivers needed. Just plug in your headset and start using it instantly as a native USB sound solution. BulletPoint5 : 【Energy Efficient】- Enjoy the advantage of analog to digital converter with our adapter's design. It operates efficiently without the need for an additional power source, ensuring that your device remains prominently powered, portable, and ready for use wherever necessary. BulletPoint6 : 【Preamplifier Function & Selectable Outputs】: Switch between DAC mode with fixed output or preamplifier mode for adjustable volume control (-99dB to 0dB) via knob or remote. Choose balanced XLR or single-ended RCA outputs, or both simultaneously, to meet your setup needs. BulletPoint7 : 【12V Trigger Interface & Perfect Pairing】: Sync power with other devices using the 12V Trigger interface, ideal for setups with amplifiers like the TOPPING L70. The E70 VELVET and L70 can be turned on/off together for a seamless audio experience. Color : Black ExternallyAssignedProductIdentifier : 6977577361527 IncludedComponents : DAC InterfaceType1 : Optical InterfaceType2 : USB InterfaceType3 : Coaxial InterfaceType4 : RCA ItemName : R2R Architecture Audio Decoder AD1865 +CS8412 + 6N11 + 6Z4 NOS Tube DAC (Black) ItemPackageDimensions_Height : 4 centimeters ItemPackageDimensions_Length : 18 centimeters ItemPackageDimensions_Width : 13 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : digital-to-analog-converters Manufacturer : FLYINSKY Material : silver MaximumSupplyVoltage : 115 volts ModelNumber : ZJchao8wex657kg1 NumberOfItems : 1 PartNumber : R2R-AD1868R-DAC ProductDescription : Input voltage: AC 115V Color: SILVER or BLACK (Optional) Size: 160mm*90mm*235mm (W*H*D) Use tube: 6N11 and 6Z4 Input port : COAX Output port : Stereo L and R RCA socket Weight: About 2KG Package include: R2R AD1868R Tube DAC (Include Tubes) X1 Note: We do not include AC input cables.