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 QWX 10 Inch Package | Dual 10" 4000W Max D4 Ohm Subwoofers & QPower HD Ported Box
Quantum Audio
MSRP: $399.96On Sale: $339.96Was: $484.95Quantum Audio QWX 10 Inch Package | Dual 10" 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: 10...MSRP: $399.96On Sale: $339.96Was: $484.95 -
On Sale
Quantum Audio QWX 10 Inch Package | Dual 10" 4000W Max D4 Ohm Subwoofers & QPower HD Sealed Box
Quantum Audio
MSRP: $399.96On Sale: $339.96Was: $469.95Quantum Audio QWX 10 Inch Package | Dual 10" 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: 10...MSRP: $399.96On Sale: $339.96Was: $469.95 -
On Sale
Quantum Audio QWX 10 Inch Package | 10" 4000W Max D4 Ohm Subwoofer & QBomb Kerf Ported Box
Quantum Audio
On Sale: $239.99Was: $309.97Quantum Audio QWX 10 Inch Package | 10" 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: 10.43" •...On Sale: $239.99Was: $309.97 -
On Sale
Quantum Audio QWX 10 Inch Package | 10" 4000W Max D4 Ohm Subwoofer & QPower HD Ported Box
Quantum Audio
MSRP: $199.98On Sale: $179.99Was: $256.97Quantum Audio QWX 10 Inch Package | 10" 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: 10.43" • Mounting...MSRP: $199.98On Sale: $179.99Was: $256.97 -
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 -
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Quantum Audio QWX 8 Inch Package | Dual 8" 4000W Max D4 Ohm Subwoofers & QBomb Ported Box
Quantum Audio
Price: $299.99Quantum Audio QWX 8 Inch Package | Dual 8" 4000W Max D4 Ohm Subwoofers & QBomb Ported Box Subwoofer Details (each): • Max Power Handling: 4000W • RMS Power Handling: 1000W • Impedance: DVC 4 Ohm • Outside Diameter: 8.56" •...Price: $299.99 -
Sold Out
Quantum Audio QWX 8 Inch Package | 8" 4000W Max D4 Ohm Subwoofer & QBomb Ported Box
Quantum Audio
Price: $174.99Quantum Audio QWX 8 Inch Package | 8" 4000W Max D4 Ohm Subwoofer & QBomb Ported Box Subwoofer Details: • Max Power Handling: 4000W • RMS Power Handling: 1000W • Impedance: DVC 4 Ohm • Outside Diameter: 8.56" • Mounting...Price: $174.99 -
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 -
On Sale
Quantum Audio QWX 12 Inch Package | Dual 12" 2000W D4 Ohm Subwoofers & QPower HD Ported Box
Quantum Audio
On Sale: $334.99Was: $424.95Quantum Audio QWX 12 Inch Package | Dual 12" 2000W D4 Ohm Subwoofers & QPower HD Ported Box Subwoofer Details (each): • Max Power Handling: 2000W • RMS Power Handling: 500W • Impedance: DVC 4 Ohm • Sensitivity: 86dB • Outside...On Sale: $334.99Was: $424.95 -
On Sale
Quantum Audio QWX 12 Inch Package | Dual 12" 2000W D4 Ohm Subwoofers & QPower HD Sealed Box
Quantum Audio
MSRP: $319.96On Sale: $299.96Was: $394.95Quantum Audio QWX 12 Inch Package | Dual 12" 2000W D4 Ohm Subwoofers & QPower HD Sealed Box Subwoofer Details (each): • Max Power Handling: 2000W • RMS Power Handling: 500W • Impedance: DVC 4 Ohm • Sensitivity: 86dB • Outside...MSRP: $319.96On Sale: $299.96Was: $394.95