XY-S350H Subwoofer Module App Control 220Wx2+350W Amplifier Board TPA3251D2 2.1 Dual Channel Audio Stereo BT5.1 HiFi Modulator

High-concerned chemical : None Package : Yes Channels : 3 (2.1) Model Number : Power Amplifier Board Maximum Power Per Channel : Above 200W Brand Name : Shunmaii Origin : Mainland China Certification : None Product model : XY-S350H Power supply : DC18-38V Bluetooth-compatible version : 5.1 Audio channel : 2.1 channels Audio input : Bluetooth-compatible + AUX + USB flash disk + USB sound card Audio output : left and right channels + subwoofer Frequency range : 20Hz -- 20KHz Volume adjustment : high-end encoder knob adjustment, smooth feel Product size : 130mm * 116mm * 27mm/5.1X4.6X1.1in Net weight : 285g