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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Quantum Audio QS2TW | 1 Inch 375W 4 Ohm Dome Tweeters (Pair)
Quantum Audio
Price: $24.99Quantum Audio QS2TW | 1 Inch 375W 4 Ohm Dome Tweeters (Pair) The Quantum Audio QS2TW is a 2-way high-efficiency dome tweeter system designed to add crisp high-end detail to car audio systems. It is part of Quantum's "QS" series, which focuses on...Price: $24.99 -
On Sale
Quantum Audio QPW 8 Package | Dual 8" 1200W Max D4 Subwoofers & QBomb Ported Box
Quantum Audio
On Sale: $354.99Was: $454.95Quantum Audio QPW 8 Package | Dual 8" 1200W Max D4 Subwoofers & QBomb Ported Box The Quantum Audio QW3000/8D4 is a high-performance 8-inch dual 4-ohm car audio subwoofer engineered to deliver intense, deep bass while maintaining a remarkably compact...On Sale: $354.99Was: $454.95 -
On Sale
Quantum Audio QPW 8 Package | 8" 1200W Max D4 Subwoofer & QBomb Ported Box
Quantum Audio
On Sale: $191.99Was: $251.97Quantum Audio QPW 8 Package | 8" 1200W Max D4 Subwoofer & QBomb Ported Box The Quantum Audio QW3000/8D4 is a high-performance 8-inch dual 4-ohm car audio subwoofer engineered to deliver intense, deep bass while maintaining a remarkably compact...On Sale: $191.99Was: $251.97 -
Quantum Audio QPW 8 Inch 1200W Max DVC 4 Ohm Subwoofers | QPW3000/8D4 (4 Pack)
Quantum Audio
Price: $679.92Quantum Audio QPW 8 Inch 1200W Max DVC 4 Ohm Subwoofers | QPW3000/8D4 (4 Pack) The Quantum Audio QW3000/8D4 is a high-performance 8-inch dual 4-ohm car audio subwoofer engineered to deliver intense, deep bass while maintaining a remarkably compact...Price: $679.92 -
Quantum Audio QPW 8 Inch 1200W Max DVC 4 Ohm Subwoofers | QPW3000/8D4 (Pair)
Quantum Audio
Price: $339.96Quantum Audio QPW 8 Inch 1200W Max DVC 4 Ohm Subwoofers | QPW3000/8D4 (Pair) The Quantum Audio QW3000/8D4 is a high-performance 8-inch dual 4-ohm car audio subwoofer engineered to deliver intense, deep bass while maintaining a remarkably compact...Price: $339.96 -
Quantum Audio QPW 8 Inch 1200W Max DVC 4 Ohm Subwoofer | QPW3000/8D4
Quantum Audio
Price: $169.98(1) Quantum Audio QPW 8 Inch 1200W Max DVC 4 Ohm Subwoofer | QPW3000/8D4 The Quantum Audio QW3000/8D4 is a high-performance 8-inch dual 4-ohm car audio subwoofer engineered to deliver intense, deep bass while maintaining a remarkably compact footprint...Price: $169.98 -
Quantum Audio QBC1-10 | 10 Inch 500W Max Powered Subwoofer System
Quantum Audio
Price: $289.98Quantum Audio QBC1-10 | 10 Inch 500W Max Powered Subwoofer System The Quantum Audio QBC1-10 is a compact, active 10-inch subwoofer system designed for vehicles with limited space. It features an integrated amplifier and a specialized down-firing...Price: $289.98 -
Quantum Audio QPRO69CD | 6x9 Inch 700W 4 Ohm 2-Way Coaxial Pro Speakers (4 Pack)
Quantum Audio
Price: $399.96Quantum Audio QPRO69CD | 6x9 Inch 700W 4 Ohm 2-Way Coaxial Pro Speakers (4 Pack) The Quantum Audio QPRO69CD is a high-output 6x9-inch 2-way coaxial pro audio loudspeaker. It is designed for extreme volume and clarity, particularly in open-air...Price: $399.96 -
Quantum Audio QPRO69CD | 6x9 Inch 700W 4 Ohm 2-Way Coaxial Pro Speakers (Pair)
Quantum Audio
Price: $199.98Quantum Audio QPRO69CD | 6x9 Inch 700W 4 Ohm 2-Way Coaxial Pro Speakers (Pair) The Quantum Audio QPRO69CD is a high-output 6x9-inch 2-way coaxial pro audio loudspeaker. It is designed for extreme volume and clarity, particularly in open-air environments...Price: $199.98 -
Quantum Audio QPRO65CD | 6.5 Inch 500W 4 Ohm 2-Way Coaxial Pro Speakers (4 Pack)
Quantum Audio
Price: $359.96Quantum Audio QPRO65CD | 6.5 Inch 500W 4 Ohm 2-Way Coaxial Pro Speakers (4 Pack) The Quantum Audio QPRO65CD is a high-output, 6.5-inch 2-way coaxial pro audio loudspeaker designed for extreme volume and clarity. It is part of the QPRO Series and is...Price: $359.96 -
Quantum Audio QPRO65CD | 6.5 Inch 500W 4 Ohm 2-Way Coaxial Pro Speakers (Pair)
Quantum Audio
Price: $179.98Quantum Audio QPRO65CD | 6.5 Inch 500W 4 Ohm 2-Way Coaxial Pro Speakers (Pair) The Quantum Audio QPRO65CD is a high-output, 6.5-inch 2-way coaxial pro audio loudspeaker designed for extreme volume and clarity. It is part of the QPRO Series and is...Price: $179.98 -
Quantum Audio QA1-2600 | 2600W Max Monoblock Subwoofer Amplifier
Quantum Audio
Price: $199.98Quantum Audio QA1-2600 | 2600W Max Monoblock Subwoofer Amplifier The Quantum Audio QA1-2600 is a high-efficiency Class D monoblock amplifier designed for serious subwoofer setups. It is 1-ohm stable, allowing for maximum power delivery and flexible...Price: $199.98