Very good condition....Rare amplifier ...please do your research on this beauty!!!! Missing one of the removable faceplate rack Handles Product Description 1-Channel High Current Power Amplifier for Subwoofer 1x 200 Watts RMS @ 4 Ohm Mono 1x 400 Watts RMS @ 2 Ohm Mono 1x 800 Watts RMS @ 1 Ohm Mono Frequency response: 10Hz - 40kHz The Output power is measured at 12,5 Volt/1kHz S/N R.>100dB Var. 24dB Highpass 40Hz - 750H Var. 24dB Lowpass 50Hz - 120Hz Var. Bass Boost 0 - 18dB at 20Hz - 50Hz Subsonic 20Hz - 50Hz Volt Meter 2x Fans, Cobalt Blue Illumination Digitale Volt Display Line Output 4-way Protection Circuitry Dimension (LxWxH): 15 3/4 x 11 1/2 x 3 3/8 inch