MTX Audio Terminator Series 200W 12" Subwoofer - TN12-04 – MTX Audio Australia
Amazon.com: MTX TN12-04 12 Inch Single Voice Coil 400 Watt Car Audio Bass Subwoofer and Q Power 12 Inch Single Heavy Duty Vented Subwoofer Enclosure : Electronics
MTX Audio T812S-44 Square Subwoofer - Adam Rayner Talks Audio