D4

DD Audio 608f-D4

DD Audio 508e-D4

Machete MF-8S D4

DD Audio 208e-D4

Excursion SXR.v2 8 D4

Cerwin Vega VMAXX 8" D4

Excursion SXT8 D4

Alpine S2-W8D4

Excursion XXX.v2 8D4

Machete MF-08S D4

Excursion SHX8D4

Master Audio MA20W/4+4

CZ Audio Revo 802 D4

Alpine 8'' Type-R subwoofer (4 ohm + 4 ohm)

B2 Audio RAGE Series V3 8" 500 Watt RMS Dual 4-Ohm 2" Voice Coil High Excursion Subwoofer

Massive Audio GTX84