DA decoding chip:ESS9018K2M USB support format:WAV/APE/FLAC/MP3 Optical fiber coaxial sampling:Support 32bit/192kHz Output power of the whole machine:100W*2 Signal-to-noise ratio S/N(dB):92dB Function support:Bluetooth 5.0, optical fiber coaxial decoding, USB decoding computer decoding, 3.5AUX input Optical fiber coaxial decoding chip:ESS9018K2M Bluetooth USB computer decoding chip:ATS2825 Amplifier chip:TPA3116*2 USB computer Bluetooth sampling rate:Support 16bit/48kHz Output power at different voltages: 19V(8ohm/32+32W)(4ohm/greater than 45+45W) 24V(8ohm/38+38W)(4ohm/greater than 55+55W) Tuning method: Support potentiometer, remote volume adjustment, High and low frequency adjustment, USB selection and standby function Colour:Black Material:aluminum Package Contents: 1 * Decoder and amplifier integrated machine Only the above package content, other products are not included. 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.