Yamaha DBR15 1,000-Watt Bi-Amplified Active Speaker with 15" LF Driver - ProAudio.com
YAMAHA NS-SW1000 Powered Subwoofer - Black Piano Finish : Musical Instruments - Amazon.com
Amazon.com: Yamaha Natural Sound Custom Easy-to-install In-Ceiling 3-Way 100 watts Speaker Set (1 Pair of 2 Speakers) with Dual Tweeters & 6-1/2" Woofer for Large Room or 2 Smaller Rooms : Electronics
IMMACULATE, 1 PAIR Yamaha YST-SW1500 Powered Subwoofer, 1000watt THEIR BEST EVER 27108915678 | eBay
Dropship 10 Inch Car Audio Speaker Subwoofer 1000 Watt High Power Bass Surround Sound Stereo Sub Woofer System DJ Sub Woofer Loudspeaker Wide Range Foam Edge Cone 4 Ohms 120 Mm 5