Diamnond Audio 10" 400 Watt RMS 2Ω Dual Voice Coil DES102 - Lake City Performance Ltd
8" RI Audio Subwoofer 1000W Peak Power Dual 4 Ohm Energy Series Car Audio 2 Pack | eBay
HI-FI, RC modely
TQ12S - Planet Audio
Pioneer TS-W312S4 | Car Entertainment, Subwoofers, Champion Series Subwoofer, Champion Series Red Subwoofer | Pioneer Middle East - Car Stereo, Car Subwoofer, Amplifier