Sound Pressure Level Switch Highly Reliable Paper Cone Multicellular Horn (CSV-450) Multicellular Horn (CSV-900) CSV-450 500W 3-Way Bass Reflex Speakers CSV-480 500W 10″ 3-Way Bass Reflex Speakers (NEW!!! Launching in November, 2017) CSV-900 1200W 12″ 3-Way Bass Reflex Speakers