TDA7498E is a dual BTLD class audio power amplifier chip with under-voltage, over-current, temperature and other protection functions to output high power and HIFI sound quality.Supported audio input: Bluetooth compatible 5.1, AUX, USB sound card, U disk.Support mobile APP control: APP visual operation play mode, support iOS, Android.The use of large-area aluminum alloy material with special-shaped structure heat sink and fan support reduces the temperature and effectively ensures the full power operation of the productVolume knob design: The main knob adopts the rotary encoder used in high-end power amplifiers to achieve 360-degree stepless tuning, and the hand feel is smooth.Product model: XY-S220HProduct Type: Audio Power Amplifier BoardPower supply: DC-12-38V/10A or aboveBluetooth version: 5.1Audio channel: 2.1 channelAudio input: Bluetooth compatible + AUX + U disk + USB sound cardAudio output: left and right channels + subwooferFrequency range: 20HZ-20KHZVolume adjustment: high-end encoder rotary button adjustment, smooth feelLarge left and right channels: 160W/4---36V DCOutput power: 80W/8---36V DCMaximum subwoofer: 220W/3---36V DCOutput power: 160W/4---36V DCProtection mechanism: overvoltage, undervoltage, wave clipping, short circuitUnique functions: support Sinilink-APP, modify bluetooth compatible name, set bluetooth compatible password, switch on and off prompt toneProduct size: 134mm*126mm*26mmNote: It is recommended to supply power above 15Vsize: 134mm x 126mm x 26mmMaterial: PCBcolour: blackPackage Contents:1 x Top cover1 x lower cover1 x circuit board1 x Screwdriver5 x Knob Cap4 x M2 x 4 copper column4 x M2 x 18 copper column8 x M2 x 3 screwsOnly the above package content, other products are not included.Note: Light 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.