Features: 1Clear Quality Audio Experience: Offering Bluetooth, AUX, USB drive, and USB sound card support, the stereo audio receiver board allows you to enjoy a range of music sources for a superior audio experience. 2Impressive Sound Effects: With a 2.1 channel and 100W subwoofer output, this receiver board delivers stunning sound effects to fulfill your pursuit of clear quality music experience. 3Flexible Speaker Compatibility: Accommodating 10W100W 48 satellite boxes and 20W200W 48 subwoofer speakers, it provides a wider range of use choices, catering to different user needs. 4Easy Control: Via a high end encoder knob for smooth volume adjustment and support for SinilinkAPP control, controlling your audio has never been easier. 5Multiple Protection: Equipped with static electricity, overcurrent, short circuit and overheating protection functions, the audio receiver board ensures safety and stability in every use. Specification: Item Type:Audio ReceiverMaterial: Circuit BoardModel: XY-S100LPower Supply: DC5-26V 10A Or AboveAudio Channel: 2.1 ChannelBluetooth Version: 5.0Audio Input: Bluetooth + AUX + U Disk + USB Sound CardAudio Output: Left And Right Channel + Subwoofer + 3.5mm Interface Stereo OutputVolume Adjustment: High End Encoder Knob Adjustment, Smooth FeelFrequency Range: 20Hz-30KHzSignal To Noise Ratio: 92dBSatellite Box (Left And Right Channel) Adapted To The Speaker: 10W-100W, 4-8Subwoofer Adapted to The Speaker: 20W-200W, 4-8Protection Mechanism: Electrostatic protection, over current protection, short circuit protection, overheating protectionSpecial Function: Support for Sinilink APP control Package List: 1 x Panel1 x Base Board6 x Cap1 x Accessory1 x Screwdriver1 x QR Code Manual1 x Main Board4 x Gold Screw4 x Gold Nut10 x Black Screw