MTX 5515-44 15" 800 Watt DVC 4-ohm Car Audio Subwoofer+Vented Sub Box Enclosure
Car Subwoofer 15 "38 Cm Mtx Rt15-04 Sound Electronics Columns 94.7db Subwoofers For Cars Acoustics Auto Audio Parts Components Speaker - Subwoofers - AliExpress
MTX Audio RT 15 04 en Solocaraudio.
T4515-44 - MTX 15" 500 Watt Dual 4 Ohm Subwoofer
Discontinued Obsolete SKU | MTX Audio - Serious About Sound®
MTX 800W 15" inch 55 Series DVC Dual 2 Ohm Car Audio Subwoofer Speaker | 5515-22 715442352777 | eBay
2) MTX 7515-44 15" 1500w RMS Subwoofers+Vented Sub Box Enclosure+Amplifier+Wires