18″ High Performance Direct Radiation Professional Subwoofer Enclosure design Bass Reflex Transducers 18” High performance woofer Continuous RMS Power [6dB Crest Factor, 2h] 1,25..

21″ Direct Radiation Multipurpose & Infra-Extension Subwoofer Enclosure design Bass Reflex Transducers 21″ Continuous RMS Power [6dB Crest Factor, 2h] 1,000 W Nominal Impedan..

Dual 21″ Direct-Radiation Touring & Infra-Extension Subwoofer Enclosure design Bass Reflex Transducers 2 x 21" Continuous RMS Power [6dB Crest Factor, 2h] 3,000 W Nominal Im..

Dual 18″ Direct Radiation Multipurpose & Touring Subwoofer Enclosure design Bass Reflex Transducers 2 x 18" Continuous RMS Power [6dB Crest Factor, 2h] 2,500 W Nominal Imped..