About Amplifier Channel Amplifier--The HiFi Audio Amplifier can be connected with four 4-8 Ω 40W passive speakers, the rated power is 40Wx4, peak power up to 800W. This is a very individual design. Channel Subwoofer Amplifier: The HiFi Audio Amplifier can be connected with four 4-8 Ω 40W passive speakers, the rated power is 40Wx4, peak power up to 800W.
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