Quantum Audio
Quantum Audio delivers a diverse range of car audio products, from amplifiers and speakers to subwoofers and complete sound systems, all engineered for exceptional performance and precision. Whether you're upgrading your current audio system or building an entirely new one, Quantum Audio provides the perfect solutions to transform your in-car sound experience. Shop now with Designer Motorsports for great prices, free shipping and fast customer service support! Be sure to join our affiliate program for exclusive low prices!
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On Sale
Quantum Audio QRX1504 | 1200W 4 Channel Full Range Amplifier
Quantum Audio
MSRP: $249.98On Sale: $229.98Was: $249.98Quantum Audio QRX1504 | 1200W 4 Channel Full Range Amplifier Unleash the Power of Sound with Quantum Audio's QRX1504 Full Range Amplifier - Amplify Your Music Experience to the Next Level! Also Known As: QRX-1504 / QRX150.4 / QRX-150.4...MSRP: $249.98On Sale: $229.98Was: $249.98 -
On Sale
Quantum Audio QWX 15 Inch Package | Dual 4000W Max D4 Ohm Subwoofers & QPower HD Sealed Box
Quantum Audio
MSRP: $579.96On Sale: $499.96Was: $674.95Quantum Audio QWX 15 Inch Package | Dual 4000W Max D4 Ohm Subwoofers & QPower HD Sealed Box Subwoofer Details (each): • Max Power Handling: 4000W • RMS Power Handling: 1000W • Impedance: DVC 4 Ohm • Outside Diameter: 15.55" •...MSRP: $579.96On Sale: $499.96Was: $674.95 -
On Sale
Quantum Audio QWX 15 Inch Package | 4000W Max D4 Ohm Subwoofer & QBomb Kerf Ported Box
Quantum Audio
On Sale: $399.99Was: $489.97Quantum Audio QWX 15 Inch Package | 4000W Max D4 Ohm Subwoofer & QBomb Kerf Ported Box Subwoofer Details: • Max Power Handling: 4000W • RMS Power Handling: 1000W • Impedance: DVC 4 Ohm • Outside Diameter: 15.55" • Mounting...On Sale: $399.99Was: $489.97 -
On Sale
Quantum Audio QWX 15 Inch Package | 4000W Max D4 Ohm Subwoofer & QPower HD Ported Box
Quantum Audio
MSRP: $289.98On Sale: $269.99Was: $374.97Quantum Audio QWX 15 Inch Package | 4000W Max D4 Ohm Subwoofer & QPower HD Ported Box Subwoofer Details: • Max Power Handling: 4000W • RMS Power Handling: 1000W • Impedance: DVC 4 Ohm • Outside Diameter: 15.55" • Mounting...MSRP: $289.98On Sale: $269.99Was: $374.97 -
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 Package | Dual 4000W Max D4 Ohm Subwoofers & QPower HD Ported Box
Quantum Audio
MSRP: $499.96On Sale: $439.96Was: $604.95Quantum Audio QWX 12 Inch Package | Dual 4000W Max D4 Ohm Subwoofers & QPower HD Ported Box Subwoofer Details (each): • Max Power Handling: 4000W • RMS Power Handling: 1000W • Impedance: DVC 4 Ohm • Outside Diameter: 12.48" •...MSRP: $499.96On Sale: $439.96Was: $604.95 -
On Sale
Quantum Audio QWX 12 Inch Package | Dual 4000W Max D4 Ohm Subwoofers & QPower Sealed Box
Quantum Audio
MSRP: $499.96On Sale: $439.96Was: $574.95Quantum Audio QWX 12 Inch Package | Dual 4000W Max D4 Ohm Subwoofers & QPower Sealed Box Subwoofer Details (each): • Max Power Handling: 4000W • RMS Power Handling: 1000W • Impedance: DVC 4 Ohm • Outside Diameter: 12.48" •...MSRP: $499.96On Sale: $439.96Was: $574.95 -
On Sale
Quantum Audio QWX 12 Inch Package | 4000W Max D4 Ohm Subwoofer & QBomb Kerf Ported Box
Quantum Audio
On Sale: $264.99Was: $359.97Quantum Audio QWX 12 Inch Package | 4000W Max D4 Ohm Subwoofer & QBomb Kerf Ported Box Subwoofer Details: • Max Power Handling: 4000W • RMS Power Handling: 1000W • Impedance: DVC 4 Ohm • Outside Diameter: 12.48" • Mounting...On Sale: $264.99Was: $359.97 -
On Sale
Quantum Audio QWX 12 Inch Package | 4000W Max D4 Ohm Subwoofer & QPower HD Ported Box
Quantum Audio
MSRP: $249.98On Sale: $219.98Was: $314.97Quantum Audio QWX 12 Inch Package | 4000W Max D4 Ohm Subwoofer & QPower HD Ported Box Subwoofer Details: • Max Power Handling: 4000W • RMS Power Handling: 1000W • Impedance: DVC 4 Ohm • Outside Diameter: 12.48" • Mounting...MSRP: $249.98On Sale: $219.98Was: $314.97 -
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