FK678 - 3 + 3 Amplifier Kit

It is a small amplifying circuit, which suits various sources of sound: radio, phones, computers etc.                                                                                                  The kit comes with 2 x speakers, (quite large) 50lx90wx30h (approximately) about 75x40 between mounting holes.

Specification

Power supply: 5VDC.
Maximum electric current consumption: 200mA @ loudspeaker 8W, 3 watt, 5V

-Maximum amplification: 3 watts @ loudspeaker 4W, 3 watts, 5V
-S / N ratio: 80dB
-Total Harmonic Distortion: 0.15%-IC
-Board dimension: 1.39 in x 1.09 in / 35 x 28 mm