1: If you the CD player era, we support it If you only have a simple Bluetooth decoder or player, we support it too If you are an enthusiast and like to play vinyl record player, we are very professional, as if entering the concert scene. 2:32 electrolytic capacitors form a powerful capacitor array. 3: iron powder core inductor, ultra-low temperature drift, balanced performance of each frequency band. 4: Dual power supply pre-circuit adopts plus or minus 12V power supply, reducing transmission loss, improving fidelity, improving dynamic range, and hearing is full and transparent. 5: The chip adopts for TDA1305T decoding chip. 6: Support Bluetooth 5.2 connection, extremely fast connection, more than 10 meters effective distance. 7: Built-in pre-amplification circuit, using classic op amp circuit, differential input mode, can the dynamic and fidelity of the input audio signal to the greatest extent. 8: Using costly integrated CNC aluminum alloy shell, using process, delicate feeling, exquisite and simple appearance, integrated CNC aluminum alloy shell not only dissipates heat quickly and ultra-thin visual experience also bring good pleasure to listening. Output power: 160W(80Wx2@4) Total harmonic distortion: 0.05% Output impedance: 4-8 Input impedance: 10K Input power: DC15-26V3A Resolution: 60dB Signal-to-noise ratio: 105dB Plug Type:US Plug,it applies to Canada, India,Mexico, Thailand, the , the Philippines,Taiwan and so on. Voltage: AC100-240V Color: White Material: aluminum alloy Package Contents: 1 x audio amplifier 1 cord 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.