Subwoofers
Shop the best Quantum Audio Subwoofers from Designer Motorsports. Popular models from the QWX series and more. Great prices, free shipping and fast customer service. Upgrade your ride today and let the music move you with new Quantum Audio subwoofers. Be sure to join our affiliate program for exclusive low prices!
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On Sale
Quantum Audio QBC1-10 | 10 Inch 500W Max Powered Subwoofer System
Quantum Audio
MSRP: $289.98On Sale: $269.98Was: $289.98Quantum Audio QBC1-10 | 10 Inch 500W Max Powered Subwoofer System Specs: • Max Power: 500W • RMS Power: 250W • Frequency Response: 50Hz - 250Hz • Crossover Frequency: 50Hz - 250Hz • Phase Shift: 0 - 180 degrees • Fuse:...MSRP: $289.98On Sale: $269.98Was: $289.98 -
On Sale
Quantum Audio QWX 15 Inch 4000W Max DVC 4 Ohm Subwoofers | QWX4000/15D4 (Pair)
Quantum Audio
MSRP: $579.96On Sale: $499.96Was: $579.96Quantum Audio QWX 15 Inch 4000W Max DVC 4 Ohm Subwoofers | QWX4000/15D4 (Pair) Specs (each): • Max Power Handling: 4000W • RMS Power Handling: 1000W • Impedance: DVC 4 Ohm • Outside Diameter: 15.55" • Mounting Diameter: 13...MSRP: $579.96On Sale: $499.96Was: $579.96 -
On Sale
Quantum Audio QWX 15 Inch 4000W Max DVC 4 Ohm Subwoofer | QWX4000/15D4
Quantum Audio
MSRP: $289.98On Sale: $249.98Was: $289.98(1) Quantum Audio QWX 15 Inch 4000W Max DVC 4 Ohm Subwoofer | QWX4000/15D4 Specs: • Max Power Handling: 4000W • RMS Power Handling: 1000W • Impedance: DVC 4 Ohm • Outside Diameter: 15.55" • Mounting Diameter: 13.85" •...MSRP: $289.98On Sale: $249.98Was: $289.98 -
On Sale
Quantum Audio QWX 12 Inch 4000W Max DVC 4 Ohm Subwoofers | QWX4000/12D4 (Pair)
Quantum Audio
MSRP: $499.96On Sale: $439.96Was: $499.96Quantum Audio QWX 12 Inch 4000W Max DVC 4 Ohm Subwoofers | QWX4000/12D4 (Pair) Specs (each): • Max Power Handling: 4000W • RMS Power Handling: 1000W • Impedance: DVC 4 Ohm • Outside Diameter: 12.48" • Mounting Diameter: 11...MSRP: $499.96On Sale: $439.96Was: $499.96 -
On Sale
Quantum Audio QWX 12 Inch 4000W Max DVC 4 Ohm Subwoofer | QWX4000/12D4
Quantum Audio
MSRP: $249.98On Sale: $219.98Was: $249.98(1) Quantum Audio QWX 12 Inch 4000W Max DVC 4 Ohm Subwoofer | QWX4000/12D4 Specs: • Max Power Handling: 4000W • RMS Power Handling: 1000W • Impedance: DVC 4 Ohm • Outside Diameter: 12.48" • Mounting Diameter: 11.14" •...MSRP: $249.98On Sale: $219.98Was: $249.98 -
On Sale
Quantum Audio QWX 10 Inch 4000W Max DVC 4 Ohm Subwoofers | QWX4000/10D4 (Pair)
Quantum Audio
MSRP: $399.96On Sale: $339.96Was: $399.96Quantum Audio QWX 10 Inch 4000W Max DVC 4 Ohm Subwoofers | QWX4000/10D4 (Pair) Specs (each): • Max Power Handling: 4000W • RMS Power Handling: 1000W • Impedance: DVC 4 Ohm • Outside Diameter: 10.43" • Mounting Diameter: 9...MSRP: $399.96On Sale: $339.96Was: $399.96 -
On Sale
Quantum Audio QWX 10 Inch 4000W Max DVC 4 Ohm Subwoofer | QWX4000/10D4
Quantum Audio
MSRP: $199.98On Sale: $169.98Was: $199.98(1) Quantum Audio QWX 10 Inch 4000W Max DVC 4 Ohm Subwoofer | QWX4000/10D4 Specs: • Max Power Handling: 4000W • RMS Power Handling: 1000W • Impedance: DVC 4 Ohm • Outside Diameter: 10.43" • Mounting Diameter: 9.25" •...MSRP: $199.98On Sale: $169.98Was: $199.98 -
Sold OutOn Sale
Quantum Audio QWX 8 Inch 4000W Max DVC 4 Ohm Subwoofers | QWX4000/8D4 (Pair)
Quantum Audio
MSRP: $279.96On Sale: $239.96Was: $279.96Quantum Audio QWX 8 Inch 4000W Max DVC 4 Ohm Subwoofers | QWX4000/8D4 (Pair) Specs (each): • Max Power Handling: 4000W • RMS Power Handling: 1000W • Impedance: DVC 4 Ohm • Outside Diameter: 8.56" • Mounting Diameter: 7.2" •...MSRP: $279.96On Sale: $239.96Was: $279.96 -
Sold OutOn Sale
Quantum Audio QWX 8 Inch 4000W Max DVC 4 Ohm Subwoofer | QWX4000/8D4
Quantum Audio
MSRP: $139.98On Sale: $119.98Was: $139.98(1) Quantum Audio QWX 8 Inch 4000W Max DVC 4 Ohm Subwoofer | QWX4000/8D4 Specs: • Max Power Handling: 4000W • RMS Power Handling: 1000W • Impedance: DVC 4 Ohm • Outside Diameter: 8.56" • Mounting Diameter: 7.2" • Mounting...MSRP: $139.98On Sale: $119.98Was: $139.98 -
Sold OutOn Sale
Quantum Audio QWX 12 Inch 2000W Max DVC 4 Ohm Subwoofers | QWX2000/12D4 (Pair)
Quantum Audio
MSRP: $319.96On Sale: $299.96Was: $319.96Quantum Audio QWX 12 Inch 2000W Max DVC 4 Ohm Subwoofers | QWX2000/12D4 (Pair) Specs (each): • Max Power Handling: 2000W • RMS Power Handling: 500W • Impedance: DVC 4 Ohm • Sensitivity: 86dB • Outside Diameter: 12.77" •...MSRP: $319.96On Sale: $299.96Was: $319.96 -
Sold OutOn Sale
Quantum Audio QWX 12 Inch 2000W Max DVC 4 Ohm Subwoofer | QWX2000/12D4
Quantum Audio
MSRP: $159.98On Sale: $149.98Was: $159.98(1) Quantum Audio QWX 12 Inch 2000W Max DVC 4 Ohm Subwoofer | QWX2000/12D4 Specs: • Max Power Handling: 2000W • RMS Power Handling: 500W • Impedance: DVC 4 Ohm • Sensitivity: 86dB • Outside Diameter: 12.77" • Mounting...MSRP: $159.98On Sale: $149.98Was: $159.98