Support Sinilink-APP, modify the Bluetooth name, set the Bluetooth password, turn off/on the prompt toneAchieve 360-degree stepless tuning and feel smooth, one-button start-stop, long-press switch machine operation is simple and convenientProtection mechanism: electrostatic protection, overcurrent protection, short circuit protection, overheating protectionProduct model: XY-E100LName: 2.1 channel Bluetooth audio power amplifier board modulePower supply: DC9-24V/3A aboveBluetooth version: 5.1Audio channel: 2.1 channelAudio input: Bluetooth + AUXAudio output: left and right channels + subwooferVolume adjustment: high-end encoder knob adjustment feel smoothFrequency range: 20HZ--30KHZSignal to noise ratio: 92dBOutput power: 50W x 2 (left and right channels) + 100W (subwoofer)Satellite box (left and right channel) adapted speakers: 10W--50W/4 ohm--8 ohmSubwoofer adapted speakers: 20W--100W/4 ohm--8 ohmcolour: blackMaterial: plasticSize: about 70x73x20mmNote:The product needs to assemble the shell by itself, the assembly is very simpleThe impedance of the adapted speaker is 4 ohms, and the power supply cannot exceed 12VThe impedance of the adapted speaker is 8 ohms, and the power supply cannot exceed 24VPackage Contents:1 amplifier board moduleOnly 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.