Cheapest Most expensive Largest discount The highest price increase €51.75 XY-S350H 2 x 220W + 350W APP Control bluetooth 5.1 €25.23 XY-E100H 50W*2 100W Bluetooth Ower Amplifier Board €10.62 Sinilink WIFI-USB Mobile Phone Remote Controller 3 €8.38 XY-WFMS WIFI Switch Module DC5V-36V MOS Controller Search ManufacturerXINYI SINI AUDIO Search