The Topp Pro MAXX10A is a 600 Watt subwoofer with 1200 Watt peak power, 10” woofer and 2.5” voice coil, frequency response between 50Hz and 120HZ, maximum SPL 121 dB, volume control, green LED on, red LED on the Clip limiter, Ground Lift, Phase switch, L/R Combo/XLR input, L/R Link XLR input and balanced XLR outputs.