Best Quad Car Audio Subwoofers in 2026

2, 100 Watt Max Power Triple 8" Loaded Vented Subwoofer Enclosure

Features x3 8-inch SDR-8 D2 700 Watt Max Power Dual 2-ohm Car Subwoofers

Enclosure was Engineered for Extreme Bass Output with it's Dual Slot Ports and Single Internal Subwoofer Chamber

Rockville SS8P 8" 400w Slim Under-Seat Active Powered Car/Truck Subwoofer Sub.

Enclosure is made out of cast aluminum which stays cool at all times. Peak Power Handling: 400 Watts.

RMS Power Handling: 100 Watts. Heavy Duty Mounting Feet. PWM MOSFET Power Supply. Low Level RCA Input. High Level Inputs with Auto Turn-On Technology. Adjustable Input Sensitivity. Soft Delayed Remote Turn-On. Thermal Protection Circuit, Short Protection Circuit. Overload Protection Circuit. Green Power/Red Protect LED. Phase Switch: 0° or 180°.

Dimensions: 11 x 11 x 5.3 inches

Impedance: 4 ohms

Mounting Depth: 4.8 inches, Mounting Hole: 9.1 inches

SPECIFICATIONS | Size 15-inch | Power (P.M.P.O) 2800 Watts | Power (R.M.S) 1400 Watts | Frequency Response 18-800Hz | Sensitivity 90dB

SPECIFICATIONS | Voice Coil 3.3" BASV 4-Layer | Mounting Depth 225 mm (8 7/8") | Impedance 2 x 2 Ohms | Strontium Magnet 250 Oz.

Audiopipe has been a pioneer and leader in high performance audio equipment.

Features: Rockville W10K5S4 K5 Series 10" 4-Ohm Car Subwoofer, Peak Power Handling: 1200 Watts, Program Power Handling: 600 Watts, CEA Rated RMS Power Handling: 300 Watts, 2" 4-Layer Black Aluminum Voice Coils Wound with OFC (100% Copper) Wire, The wire we use to wind the voice coil is imported from Japan which is way better quality than the standard China wire, 40 Oz High Quality Magnet, Cast Iron Basket With Black Sanded Finish

Fiber Reinforced Ultra Stiff Black Non-Pressed Paper Cone – This cone is very efficient which makes the speaker sound louder even without requiring a lot of power to push it, Thick Foam Surround Provides Incredible Sound Quality With Minimal Distortion, Blue Stitching Cone Reinforcement Ensures Long Life, Paper Dust cap is light weight and efficient helping the sub to play louder even if your amp is not so powerful

Chrome-Plated Binding Post Terminals - These are the best terminals on the market and they accept any gauge wire, Impedance: Single 4-Ohm Voice Coils, Vented Hole on T-yoke Enhances Heat Dissipation, Rubber Boot Magnet Covers Make the Woofer Look Nice and Protects the Magnet, Mounting Gasket with Rockville branding looks great and Makes it Easy To Mount the Subwoofer Air-Tight, High BL Magnetic Motor Gap

Quad enclosure for pairs of 8 inch mids and 3 inch tweeters

Manufacturer warranty: 1-year warranty

Includes a speakon terminal

HIGH-POWERED CAR AUDIO: High-performance subwoofer adds a whole new dimension to your audio experience

INCREDIBLE PERFORMANCE: Features 8-inch quad stack composite cone with 2.5-inch 4-layer dual voice coil for incredible performance

CRISP AND CLEAR AUDIO: 150-ounce magnet achieves crisp and clear sound quality

SPECIFICATIONS | Size 12-inch | Power (P.M.P.O) 2200 Watts | Power (R.M.S) 1100 Watts | Frequency Response 20-900Hz | Sensitivity 88dB

SPECIFICATIONS | Voice Coil 3" BASV 4-Layer | Mounting Depth 200 mm (7 7/8") | Impedance 2 x 2 Ohms | Strontium Magnet 220 Oz.

Audiopipe has been a pioneer and leader in high performance audio equipment.

Kicker 47QL7R12 Car Audio Quad L7R 12" Subwoofer SPL 4800W Sub Box Enclosure New

1998-2001 Dodge Ram Ext Club Quad Truck Alpine Type S S-W10D2 Dual 10" Sub Box Enclosure - Final 2 Ohm

Features: Rockville W8K5S4 K5 Series 8" 4-Ohm Car Subwoofer, Peak Power Handling: 800 Watts, Program Power Handling: 400 Watts, CEA Rated RMS Power Handling: 200 Watts, 1.5" 4-Layer Black Aluminum Voice Coils Wound with OFC (100% Copper) Wire, The wire we use to wind the voice coil is imported from Japan which is way better quality than the standard China wire, 30 Oz High Quality Magnet, Cast Iron Basket With Black Sanded Finish

Fiber Reinforced Ultra Stiff Black Non-Pressed Paper Cone - This cone is very efficient which makes the speaker sound louder even without requiring a lot of power to push it, Thick Foam Surround Provides Incredible Sound Quality With Minimal Distortion, Blue Stitching Cone Reinforcement Ensures Long Life, Paper Dust cap is light weight and efficient helping the sub to play louder even if your amp is not so powerful

Chrome-Plated Binding Post Terminals - These are the best terminals on the market and they accept any gauge wire, Impedance: Single 4-Ohm Voice Coils, Vented Hole on T-yoke Enhances Heat Dissipation, Rubber Boot Magnet Covers Make the Woofer Look Nice and Protects the Magnet, Mounting Gasket with Rockville branding looks great and Makes it Easy To Mount the Subwoofer Air-Tight, High BL Magnetic Motor Gap

Harmony Audio HA-A800.1 Car Stereo Class D Amp Mono 1600 Watt Subwoofer Amplifier:

Alloy Series Mono - 1 Channel Class D Amplifier.

Frequency Response: 10Hz-180Hz.

Kicker 47QL7R12 Car Audio Quad L7R 12" Subwoofer SPL 4800W Sub Box Enclosure Bundle with Harmony HA-A1500.1 Amplifier & Amp Kit

Model: SA-PGCE08LED | Dual 8 Inch 800 Watt Car Audio Subwoofer Box

Built-In Multi-Mode LED Lights Integrated with Plexiglass Front Window | Power Rating: 2 x 400 Watts Max Power

High Powered Dual 8 inch Woofers with a Non-Pressed Paper Cone and Specially Treated Foam Surround with Rubber Edge Suspension | Smooth Carpet Finish

Package Includes: (4) Rockville K5 W8K5S4 8" 800w 4 Ohm Car Audio Subwoofer Sub 200w RMS CEA Rated!. (1) Rockville Quad 8" Sub Box For 2009-2020 FORD F150 SUPER CREW+2017-2020 F250/350. (2) Dual Sub Box Enclosure Installation Kit: Speaker Wire, Screws, Spade Terminals

Features of K5 W8K5S4: Rockville W8K5S4 K5 Series 8" 4-Ohm Car Subwoofer. Peak Power Handling: 800 Watts. Program Power Handling: 400 Watts. CEA Rated RMS Power Handling: 200 Watts. 1.5" 4-Layer Black Aluminum Voice Coils Wound with OFC (100% Copper) Wire. The wire we use to wind the voice coil is imported from Japan which is way better quality than the standard China wire. 30 Oz High Quality Magnet.

Cast Iron Basket With Black Sanded Finish. Fiber Reinforced Ultra Stiff Black Non-Pressed Paper Cone – This cone is very efficient which makes the speaker sound louder even without requiring a lot of power to push it. Thick Foam Surround Provides Incredible Sound Quality With Minimal Distortion. Blue Stitching Cone Reinforcement Ensures Long Life. Paper Dust cap is light weight and efficient helping the sub to play louder even if your amp is not so powerful.

Rockville RTB12A 12“ 600w Powered Subwoofer Bass Tube With Bass Remote. 600 Watts Peak/300 Watts RMS.

12“ High power woofer in vented tubular enclosure. Integrated, built-in 300 Watts RMS Rated amplifier.

Rear aero vent bass system. Speaker level and RCA line-level input. Frequency response: 30Hz-200Hz. Sensitivity: 111 dB.