Martin Audio S218+ Subs sub-bass system has been designed to be used with large scale Blackline F12+ and F15+ systems to extend and increase the total low frequency output power. It can also be used as the low frequency section of a bi-amped or tri-amped H3+ system. The S218+ provides good bass punch with extended sub-bass output from two new, long-excursion, 18” (460mm)/4” (100mm) voice coil drivers with water resistant cones and triple roll surrounds. Key Features:

• Direct radiating 18” (460mm) drivers
• High temperature 4” (100mm) voice coil
• 2o0owatts

These subs are a great addition to any system, either your main FOH system or addition subs.