M-SERIES 1-Channel Amplifier Digital mono High Power Amplifier with SMD technology. Subsonic LP filter Infinitely variable 0-180° Phaseshift Up to 89% efficiency possible. Including RTC and 6mm² cable set (5.5 m) RCA input on high level input or triple signal detection with automatic "Turn On" 1x 240 Watt RMS at 4OHM 1x 350 Watt RMS at 2OHM Dimensions: 210 x 50 x 135mm. Incl. iron cover. Suitable for: 1-Channel