Kicker 48CWRT674 CompRT Series shallow-mount 6-3/4" subwoofer with dual 4-ohm voice coils at Crutchfield
8W1v3-4 - Car Audio - Subwoofer Drivers - W1v3 - JL Audio
Peerless by Tymphany SDS Series 830855 4" Woofer 8 Ohm
Dayton Audio PSS545HE-4 Vortex 21" Professional Subwoofer with 5" Voice Coil 4 Ohm
4 Inch 105mm Speaker Subwoofer Speaker Bass High Power 4ohm 40w Long Stroke Computer Car Home Theater Loudspeaker 2pcs - Speakers - AliExpress
MMA124- 12" 500 Watts RMS Dual 4 Ohm Subwoofer
Amazon.com: NVX SMW10D4 700W Peak (350W RMS) S-Series Shallow-Mount 10" Dual 4-Ohm Subwoofer : Electronics
SUNDOWN AUDIO SA 10 (CLASSIC) 10" D4 Subwoofer | 750W RMS - 4 OHM
Amazon.com: Dayton Audio TCP115-4 4" Treated Paper Cone Midbass Woofer 4 Ohm : Electronics
GX 10" High Performance Dual 4-Ohm Subwoofer - Phoenix Gold
VCW104v3 1600W Peak (800W RMS) 10" VC-Series v3 Dual 4-Ohm Subwoofer — NVX
JL Audio 6W3v3-4 W3v3 Series 6.5" 4-ohm subwoofer at Crutchfield
Amazon.com: Audiopipe TXX-BDC4-12D2 Subwoofer Quad Stack 12-inch 1100 Watts RMS 2200 Watt Max Impedance Dual 2 Ohm DVC Vehicle Car Audio Subwoofer Speaker System Voice Coil 3" BASV 4-Layer : Electronics
6W3v3-4 - Car Audio - Subwoofer Drivers - W3v3 - JL Audio
Sundown Audio SA Classic 12" inch DVC Dual 4 Ohm (SA Series) Car Subwoofer 750 Watts
VSW104v2 1000W Peak (500W RMS) 10" VS-Series v2 Dual 4-Ohm Subwoofer — NVX
4-10 Sub | Tekton Design
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HiFi 4" inch 100W Subwoofer Speaker Unit Bass Loudspeaker for Home Audio System | eBay
Pyle 8 Inch 1600W DVC 4 Ohm Car Audio Subwoofer Speaker Set, Black (2 Pack) - Walmart.com
STLF-1504-8 | 15" 450W Raw Subwoofer Replacement w/ 4" Voice Coil, 8-ohm – Sound Town
KRK SYSTEMS - S8.4 Powered Studio Subwoofer
Pioneer 12" 1400 W Max Power, Single 4-ohm Voice Coil, IMPP™ cone, Rubber Surround Component Subwoofer BLUE TS-A123R - Best Buy
KRK S10.4 10 inch Powered Studio Subwoofer | Sweetwater
KICKER CompC Loaded Enclosures Single-Voice-Coil 4-Ohm Subwoofer Black Carpet 44TCWC104 - Best Buy
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4Ω 4" Inch 40-100W Subwoofer Woofer High Power Long Stroke Speaker Loudspeaker | eBay
Dayton Audio DCS165-4 6-1/2" Classic Subwoofer 4 Ohm
Fiberglass Subwoofer Speaker Unit | Subwoofer 3 4 Inch Speakers - 4 Inch Subwoofer - Aliexpress
Massive Audio SUMMO64XL - 6.5" 150 Watts RMS Dual 4 Ohm, 1.5" V.C. Subwoofer
