835M/S flush-mounted subwoofer with 150 watts RMS power and durable injection-molded polymer. The unique posh 835M/S flush mounted subwoofer offers multiple options to meet all of your ceiling-mounted subwoofer needs. The 835M/S (mono or stereo) subwoofer is available in either single or dual-voice coil models with or without crossover and optional 30 or 60 watt transformers. The 8" long-excursion driver is capable of handling up to 150 watts of power and is housed in the patented posh acoustic chamber and baffle plate, forming a sealed acoustic suspension system that is ideal for extended bass response for commercial or custom home applications.