ceiling mounted speakers 4 ohm

Kicker 52CVT104 CVT10 CompVT 10-Inch (24cm) Subwoofer, 4 Ohm SVC

Kicker CWCS84 CompC 8" Subwoofer Single Voice Coil 4-Ohm

Kicker 50CWCD154 CompC 15" Subwoofer, Dual 4-Ohm

Kicker 52CVT104 10-Inch Thin Sub, SVC, 4-ohm & 52GR10 Grill Bundle

Alpine RS-W10D4 10-inch R-Series Shallow Subwoofer with Dual 4-Ohm Voice Coils

Alpine S2-W12D4 12" S-Series Dual 4 Ohm Car Subwoofer, 1800W Max, 600W RMS

Kicker (2) 45L7R104 L7R 10-Inch (25cm) Subwoofer, Dual Voice Coil, 4-Ohm w/ Charcoal LED Grill Bundle

Fusion MS-RA60 Marine Stereo With Wireless Connectivity w/ (2 Pair) 51MSC654 - MSC 6.5-Inch Premium Marine 4-Ohm LED Coaxial System, Pair

Kicker (2) 51CWQ124 CompQ Q-Class 12" Subwoofer, Dual 4-Ohm

Kicker L7R Bundle - Two 45L7R124 12-Inch Dual 4-Ohm Subwoofers

Kicker 44L7S124 L7S 12" Dual 4-Ohm Subwoofer & LED Charcoal Grill

Kicker (2) 51CWQ154 CompQ Q-Class 15" Subwoofer, Dual 4-Ohm

Kicker 46L7T104 L7T L7-Thin 10-Inch (25cm) Subwoofer, Dual Voice Coil, 4-Ohm, 500 Watt

Kicker 48CWRT84 CompRT 8" Subwoofer, DVC, 4-ohm w/ 47Key5001 Amp Bundle

Kicker Two 45KM104 10" Marine Subwoofers 4-Ohm White LED Grill with SSV Universal Marine Sub Box Enclosures

Memphis Audio MOJO Pro MJP844 8" 1500w Competition Car Subwoofer DVC 4 ohm Subwoofer

Memphis Audio MM1024 10" Marine Subwoofer with Integrated RGB LEDs and 2 or 4 Ohm Selectable Impedance

Kicker 48CWRT104 CompRT 10" Subwoofer, DVC, 4-ohm - Includes Grill

Wet Sounds REVO 12 HP S4 V3 12" High Power 4 Ohm Subwoofer with REVO 12 XW-B GRILLE V3 - Black XW Style Closed Grille and PORTED-12-ENC 12" Rotomol...

MTX TERMINATOR 500-Watt RMS 2Ω Mono Block Class D Amplifier and Two MTX Audio TN12-04 Terminator 12" 200W RMS 4-Ohm Subwoofer

Kicker (2) 46L7T104 L7T L7-Thin 10-Inch (25cm) Subwoofer, Dual Voice Coil, 4-Ohm, 500 Watt w/ Charcoal LED Grill & Remote Bundle

Hertz HMS 12 S4-LD-G - 12" 4-Ohm Marine Subwoofer with RGB LEDs, Gray Sport Grille

Kicker 51MWE104 - MWE 10-Inch Premium Marine Subwoofer (Enclosure) 4-ohm & 48KXMA4002 Marine Amp Bundle

PowerBass XL-1044 - 10" Single 4-Ohm VC 350Wrms / 700Wmax