RADION-SERIES 1-Channel for 24-Volt Installations Digital Mono High Power Amplifier with SMD technology. Low pass filter. Subsonic filter infinitely variable 0-180 ° phase shift Up to 84% efficiency RTC included RCA high level input with automatic "Turn On" Bass EQ at 45 Hz 0-6 dB 1x 500 Watt RMS at 4OHM 1x 900 Watt RMS at 2OHM 1x 1250 Watt RMS at 1OHM Dimensions 380 x 50 x 185mm Suitable for: 1-Channel