Ziqqucu | TWS Stereo Bluetooth Amplifier Board 2*10W Dual Channel Adjustable Sound Rechargeable Amplifier Wireless Stereo DC 5V/3.7V

TWS Stereo Bluetooth Amplifier Board 2*10W Dual Channel Adjustable Sound Rechargeable Amplifier Wireless Stereo DC 5V/3.7VFeatures: 1. Supports dual power supply of 3.7V battery and DC5V, flexible adaptation to various scenarios 2. BT 5.1 wireless connection, stable transmission of stereo audio signals 3. The output power reaches 2 * 10W, and the sound effect is better when paired with a 4 Ω speaker 4. Built in EQ adjustment and DRC compression, supporting computer tuning and saving 5. Integrated charging management and protection functions, safe and reliable against overheating and overcurrentParameters: Chip type: Stereo Number of channels: 2 channels Audio input: wireless BT/wired sound card Compatible power supply: 3.7V battery/DC5V (note: voltage should not exceed 5V) BT version: 5.1 BT Name: LF02 Output power: 2 * 10W Output impedance: 4 Ω Protection mechanism: over temperature and over current Motherboard size: 39mm * 46mmProduct List: 1x module 2x speaker cablesInstructions: Be sure to use batteries with a 3.7V overcurrent rating of 5A or higher and a protective board. Otherwise, the maximum volume battery will protect it. When using a 5V3A power supply without a battery and with wired power, the volume cannot exceed 50%, otherwise it will restart. It is compatible with a 4 Ω speaker (2 Ω speakers cannot be used) The signal-to-noise ratio of the amplifier is 67, which means that when the volume is very low, white noise can be heard at a distance of about ten centimeters from the speaker. Remember not to shoot if you mind. The tuning software does not support Win7 and below systems, supports 30 5V RGB expansion, hides volume adjustment pads, can charge batteries, and is powered by a single power battery; Support computer tuning to save EQ, 10 segment EQ gain with DRC dynamic compression.