Eton SDA 750.1 Digital Mono Amplifier Specifications 1x 500 W @ 2 Ohm 1x 300 W @ 4 Ohm 1x 800 W @ 1 Ohm Automatic turn on, high level in for direct connection to original radio Sbsonic filter 80 Hz Low pass filter 50 Hz - 250 Hz 1 Ohm stable, start/stop automatic Includes remote control Dimensions in mm (WxHxD) 230 x 55 x 173cm