Super Loud USB Powered 2 x 3W Digital Power Amplifier Board - Green (2.5~5V)
Overview:
Product description: Excellent noise suppression, in the absence of the input audio, ear horn can not hear any noise, two channel stereo; 5V power supply and can output 3W+3W power, and can directly drive 4 ohm, 8 ohm speakers; Large output power, energy sufficient, good sound quality; Unique Class D digital power board without LC filter; Can be powered through USB of compute; Dual panel wiring, wiring properly solve the crosstalk caused by ground potential balance and inter channel; Ultra micro design, can be easily placed in a variety of digital products inside the small space; High amplification efficiency; Whole board soldering by machine, far better than manual soldering; Note: Negative of left and right output port can not be connected in parallel, otherwise it will burn IC, connect the speaker (load) before power on; Rated voltage: 2.5~5V; Limit voltage: 5.5V
