The K5 PRO is a mini stereo gaming DAC headphone amplifier with microphone, supporting usb Type-C,optical and coaxial digital inputs, 3.5mm headphone jack, and RCA outputs, suitable for most home audio systems.<br> With treble and bass control, it can be used as a preamplifier or volume control for PC/.<br> K5 PRO DAC ensures exquisite muslcallty, accurate and realistic phasing, and reproduction of the sound!<br> Input : USB Type-C, Optical, Coaxial, Microphone<br> Output : 3.5mm Headphone, RCA<br> PC-USB supports input sampling rate: Up to 24Bit/96kHz<br> Optical/Coaxial supports input sampling rate: Up to 24Bit/192kHz<br> RCA Output Level: 2V<br> Powe Supply:5V<br> Power Input Interface: USB Type-C<br> : Less than 0.003%<br> : 110dB<br> Frequency response: 20Hz-20kHz (3dB)<br> PC-USB support : XP//W8/W10//linux<br> Distortion: 0.001%;<br> Amp output maximum power: 1000mw/16, 500mw/ 32, 300mw/64, 150mw/128, 80mw/300<br> Headphone matching impedance: 16-300<br> Colour:dark gray<br> Material:Metal<br> Package Contents:<br> 1 x Headphone Amplifier<br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.<br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store