ITEM NAME:AC/DC 12V TDA7297 2x15W Digital Audio Amplifier DIY Kit Dual-Channel Module SE.1 x TDA7297 Version Amplifier Board. AC / DC, 2.0 / dual channel / stereo,12V/2A when using, the output power of 15W +15 W, peak up 25W +25 W. High signal to noise ratio. Output Impedance: 4-8ÃŽ ©. Maximum power:30W+30W.