What's smaller than a fridge and bigger than a washing machine?
Pyle Plqb10 10 Inch 500 Watt Max Power Vehicle Car Audio Speaker Subwoofer Bandpass Enclosure Box System With Plexiglass Front Window Panel, Black : Target
Understanding Closed, Vented and Band-pass Subwoofer Designs - Live Sound
Sound Ordnance™ B-8P-120 100-watt powered bandpass subwoofer at Crutchfield
BassPro II | Compact bandpass subwoofer with built-in amplifier, Input for Line, Hi or Lo input
Amazon.com: AUDIOTEK AT-510FB Dual 10" 1600 Watt Max Power Band Pass Vented Sealed Vehicle Subwoofer Box Loaded with 10 Inch Car Audio Dual 4 Ohm Sub Enclosure : Electronics
BLACK 10" DUAL SLOT PORTED BANDPASS SUB BOX
TSG Dual BandPass 1218 DUAL 18" Woofer 106 DB at 1 watt LOW SHIPPING!! – SpeakersAndAmps.com