This art 705 as is an extremely compact high output active subwoofer from audio specialists rcf. Using a 15 high power woofer with a 3 inside & outside voice coil and a monstrous high current 800 watt (rms) class h amplifier this produces a max spl of 130db and goes down to 40hz for that low rumbling bass. The art 705 as delivers tight fast controlled bass response at very high efficiency levels just like the rest of the rcf art series. Offering increased dynamic range the system re-defines audio subwoofer performance standards. - High current 800 watt class H amplifier - 130 dB SPL peak - 15