General description The 5X 10W 15-20W Stereo Bluetooth Audio Power Amplifier Board Module is designed for DIY audio enthusiasts looking to enhance their car speaker systems. This module supports various output power levels and features a Bluetooth connection for easy pairing with mobile devices. Technical specifications Output power (@1KHz): 16W*2 @12V 4 ohm 10W*2 @12V 8 ohm 15W*2 @16V 8 ohm 20W*2 @20V 8 ohm 30W*2 @24V 8 ohm (requires heat sink) Compatible speaker impedance: 4 ohms (8~12V power supply), 8 ohms (8~24V power supply), 16 ohms (8~24V power supply) Protection mechanisms: reverse power protection, short circuit protection, self-recovery overheat protection Color: black Material: Plastic + metal Usage To use the amplifier module, follow these steps: Power on the module; the blue indicator light will flash quickly, indicating it is in Bluetooth mode. Wait for the "Beep" sound, which signals that the module is in pairing mode. On your mobile device, search for Bluetooth