HiFi Dual ES9038Q2M USB DAC COAX OPT Digital to Analog Converter Headphone Amplifier

《Condition》 **Used** An item that has been used previously. The item may have some signs of cosmetic wear, but is fully operational and functions as intended. This item may be a floor model or store return that has been used. See the seller’s listing for full details and description of any imperfections.

Please note: There is a small possibility that some older versions of the product may be mixed in with our stock. The only difference between the new and old versions is the appearance; there is no impact on their functionality. Thank you for your understanding. The Q5 PRO is a multi-functional DAC and headphone amplifier with PC-USB/optical/coaxial inputs, compatible with many audio devices such as smartphones, computers, TVs, CD players, and TV set-top boxes. With stereo L/R RCA/6.35mm headphone jack outputs, you can enjoy HiFi music in a variety of ways. With a rational circuit layout and simple wiring, the sound is clear and natural, and the high-quality chip architecture delivers significantly superior sound quality. Dual ES9038Q2M decoding chips, each handling one channel, provide much better dynamics and separation, reproducing live music with higher resolution. It features a high-quality USB chip that supports 32-bit/384kHz transmission for higher decoding capabilities. The AK4113 receiver chip supports 16/24-bit 44.1/48/88.2/96/176.4/192kHz coaxial and optical inputs. The TPA6120A2 headphone amplifier chip and gain adjustment improve matching with headphones of varying sensitivities, resulting in low distortion and powerful enough driving force to drive headphones from 16 to 600 ohms. The TL072x2+LM4562+NE5532 op-amps feature low distortion, low noise, high precision, and a wide dynamic range, and their pluggable op-amp socket design makes them convenient for upgrading other op-amps with different sound styles. The more than 10 groups of voltage regulation circuits are each powered separately, resulting in no interference and a much richer sound detail. With no interference, the sound detail is far richer. Strong compatibility, supporting DSD256: USB input compatible with Windows 7/8/10/MAC OS systems, playing DSD256 format for high-quality music playback. Also compatible with smartphones with OTG functionality. Input and output selection buttons allow you to easily select the desired channel without repeatedly plugging and unplugging cables. With its exquisite appearance and appropriate size, each type of input and output is designed with a unique indicator that clearly shows the operating status. The aluminum case looks cool and fashionable, making it very suitable for use in home/office desktop audio systems. Please note: Drivers for Windows 7 to Windows 10 systems can be downloaded via the "Installation Manual" on this page.