KRK S10G4; active studio subwoofer 10""; glass-aramid composite woofer; frequency range: 30 Hz - 110 Hz; max SPL: 117.2 dB; Class D amplifier 160 Watt; SNR: 92 dB, crossover frequency adjustable; bypass function via optional footswitch; switches for stand by funtion, ground/lift, polarity and input sensitvity; connections: 2x Line I/O XLR, 6.3 mm jack and RCA, footswitch input 6.3 mm jack; integrated power supply 100VAC - 240VAC; MDF cabinet; dimensions: 479 x 341 x 310 mm (WxHxD); weight: 15.88 kg