Stereo DJ amplifier with line input on RCA connectors and speaker outputs on 4mm binding posts. SPL500, SPL700 and SPL1000 models also have a 4-way input selector and 3-band EQ. •Power RMS at 4 Ohms 2 x 56W, Power RMS at 8 Ohms 2X 43W •RCA connectors for direct line inputs •3.5mm input for mp3 player (not SPL400) •Blue backlit air vents (not SPL400) •3-band EQ (not SPL400) •Power supply 230Vac, 50Hz •Frequency response 20Hz - 20kHz •Input impedance >10kohms •Channel crosstalk >82dB (@ 1kHz) •S/N ratio 95dB •THD<0.5% •Dimensions 482 x 270 x 88mm (2U)