I have an amplifier Pioneer SA-8800 II
Specs:
Continuous power output is 80 watts* per channel, min. at 8 ohms from 10 Hertz to 20,000 Hertz with no more than 0.005% total harmonic distortion, or 80 watts* per channel at 4 ohms from 10 Hertz to 20,000 Hertz with no more than 0.005% total...