4ohm

MTX TERMINATOR 12'' SUBWOOFER - TR12-04

Cerwin Vega VMAXS124

Master Audio MA30W/4

Focal E 30 KX

Alpine 12'' Type-G subwoofer (4 ohm) - SWG-1244

Sony XS-W104ES

Pioneer TS-A3000LS4

MTX FLATSUBWOOFER 12'' 400W R - FPR12-04

Pioneer TS-A30S4

Audio System CARBON 12

Soundmax SX-FX12.S4

Reiss RS-UX12

Reiss RS-SL12S4

Massive Audio TKO 12 S4

Hifonics ZXE12S4

Gamma-12

TT Technology SW12B

TT-1208

Nakamichi NSW-Z1203S4