Yamaha AX15W 500W passive subwoofer - 500 WATT PASSIVE SUBWOOFER WITH 15 "CONE

(This text is machine translated) The Yamaha AX Series 15 "bass reflex subwoofer, complements the AX10, AX12, and AX15. Features include robust carpet covering, metal grilles and handles, pole mount socket. Frequency response covers the low bass range from 50Hz up to 200Hz, with 1000W peak power handling to move lots of air, enough to get your trouser legs flapping in the breeze.