JL Audio 6W3v3-4 W3v3 Series 6.5" 4-ohm subwoofer at Crutchfield
STEG SQ8-4 8" shallow mount subwoofer – SoundQuality.net
Sundown Audio SAv2 18" inch DVC Dual 4 Ohm (SA Series) Car Subwoofer 1000 Watts RMS
Tiny 4" Subwoofers hit 25hz!! Great box = Great results - YouTube
Ghxamp 4 Inch 40w Round Subwoofer Speaker Woofer High Power Bass Home Theater 2.1 Subwoofer Unit Crossover Louspeakers Diy 1pc - Speakers - AliExpress
10WØv3-4 - Car Audio - Subwoofer Drivers - WØv3 - JL Audio
EW3 12D4 – Euphoria
BOSS P156DVC Phantom 15" 2500 Watts 4 Ohm Voice Coils Car Audio Subwoofer - Walmart.com
Boss Audio Systems P126dvc Phantom 12-inch 2300 Watts 4 Ohm Dual Copper Voice Coal Car Audio Stereo Subwoofer Speaker With Poly Injection Cone : Target
MX 10" Dual 4-Ohm 300W Slim Subwoofer - Phoenix Gold
V154DV2 - 15 Inch Dual 4-ohm High-Performance 550W RMS / 1500W MAX Power Handling Subwoofer - Cerwin Vega
Amazon.com: Audiopipe TXX-BDC4-10 Subwoofer Quad Stack 10 Inch 1800 Watt High Performance Powerful 4 Ohm DVC Vehicle Car Sub Audio Subwoofer Speaker System, Black : Electronics
AudioPipe TXX-BDC4-12 Dual 4 Ohm 12 inch 2,200 W Car Subwoofer, Black (2 Pack) - Walmart.com
RW1-164 Reference 6.5 Inch 4 Ohm DVC Subwoofer | MB Quart
12W3v3-4 - Car Audio - Subwoofer Drivers - W3v3 - JL Audio
GRS 12SW-4 12" Poly Cone Subwoofer 4 Ohm
Oaktron 10” (254 mm) Legacy 4 Ohm Woofer
MMA124- 12" 500 Watts RMS Dual 4 Ohm Subwoofer
VCW124v3 2400W Peak (1200W RMS) 12" VC-Series v3 Dual 4-Ohm Subwoofer — NVX
KRK SYSTEMS - S12.4 Powered Studio Subwoofer
KICKER CompC Loaded Enclosures Single-Voice-Coil 4-Ohm Subwoofer Black Carpet 44TCWC104 - Best Buy
EXL-X12.4D 12" Subwoofer Dual 4-ohm, 2,500 Watt - DS18
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
Fiberglass Subwoofer Speaker Unit | Subwoofer 3 4 Inch Speakers - 4 Inch Subwoofer - Aliexpress
