MB Quart Can-Am Maverick X3 (2017-current) 400W 10" Underseat Subwoofer System Black MBQX-SUB-2 - Best Buy
MB Quart PWH302 12" 1000W Premium Subwoofer [MB Quart PWH302] - £190.00 : Car Audio 4 Less, Car Audio System
MB Quart DS1-304 12 inch 200W Car Subwoofer for sale online | eBay
MB Quart PWD304 12" Dual Voice Coil 4Ohm Subwoofer (New!) - Wolf's Big Bad Garage
Amazon.com: MB Quart DS1-304 Discus Shallow Mount Subwoofer (Black) – 12 Inch Subwoofer, 600 Watt, Car Audio, 2 Inch Voice Coils, UV Rubber Surround, Best in Sealed Enclosures : Electronics
MB Quart DWF 304 12" subwoofer with dual 4-ohm voice coils at Crutchfield