Amazon.com: Meinl Percussion Pickup Vertical Subwoofer Bass Cajon Box Drum with Snares and Electronics for Amp or PA System — NOT MADE IN CHINA — Baltic Birch Playing Surface, 2-YEAR WARRANTY (PSUBCAJ6B):
Pyle-Pro PPA6 Professional 6 inch Woofer: Amazon.co.uk: Hi-Fi & Speakers
Fenton SHFS08B Active Powered Home Theatre Bass Sub Hifi Subwoofer Speaker 8" 200W: Amazon.co.uk: Musical Instruments