Autotek TA-1255.4 4-Channel 1200 Watts Max Class-A/B Car Audio AmplifierBRAND NEW AUTOTEK TA 1255. 4 4 Channel 1200 Watts Max Class A B Car Audio Amplifier Key Features: Low Noise Preamplifier Circuit: Maximum low voltage signal from the source unit comes into the amplifier through a low voltage circuit which delivers minimal distortion through the amplification process. RCA Inputs: Highest sound quality connection with quality RCA materials helps prevent interference and minimize distortion in the signal path. High Level