Mtx Tn10-04 Audio 10" 300w Car Power 84.9 Db 4 Ohm Single Voice Coil Subwoofer : Target
MTX RTP8A 8" 120w RMS Powered Subwoofer In Vented Sub Box Enclosure+Wire Kit - Walmart.com
Amazon.com: MTX TN8MS Terminator 8 Inch Micro Compact Amplified Subwoofer Enclosure for Small Vehicles with Class A/B Amplifier, Variable Bass Boost, External Bass Control, and Smart Engage Auto Turn On Circuitry :
MTX TS82 8" full-range 2-way truck boxes at Crutchfield
Terminator 10" Series 4Ω Subwoofer | MTX - Serious About Sound®