Features:

1. a lot of sound from a small unit
2. low distortion
3. input: stereo 3.5mm jack
4. volume adjust complete with attractive knob
5. slide on/off switch
6. blue indicator led

Specifications:

1. 2 x 5Wrms (10% THD @ 4ohm / supply 14V)
2. sensitivity: 400mVrms for full output
3. freq. response: 30Hz - 100kHz (-3dB / 8 ohm)
4. power supply: 9-15VDC / 1A max. (example Velleman PSSE1210)
5. speaker impedance: 4-32 ohm
6. dimensions (wxdxh): 66x53x25mm / 2.59x2.08x0.98"

datasheet_mk190-uk.pdf

manual_wsah190.pdf

schematic_diagram_mk190.pdf

module_diy_kit_guide.pdf