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 -
Quantum Audio QZA1500.4D | 1500W Max 4 Channel Full Range Amplifier
Quantum Audio
Price: $169.98Quantum Audio QZA1500.4D | 1500W Max 4 Channel Full Range Amplifier The Quantum Audio QZA1500.1D is a high-efficiency Class D full range amplifier designed for serious speaker setups. It is 2-ohm stable, allowing for maximum power delivery and flexible...Price: $169.98 -
Quantum Audio QZA1500.1D | 1500W Max Monoblock Subwoofer Amplifier
Quantum Audio
Price: $169.98Quantum Audio QZA1500.1D | 1500W Max Monoblock Subwoofer Amplifier The Quantum Audio QZA1500.1D 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: $169.98 -
Quantum Audio QZA3000.1D | 3000W Max Monoblock Subwoofer Amplifier
Quantum Audio
Price: $229.98Quantum Audio QZA3000.1D | 3000W Max Monoblock Subwoofer Amplifier The Quantum Audio QZA3000.1D 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: $229.98 -
Quantum Audio QPRO8CD | 8 Inch 700W 4 Ohm 2-Way Coaxial Pro Speakers (4 Pack)
Quantum Audio
Price: $399.96Quantum Audio QPRO8CD | 8 Inch 700W 4 Ohm 2-Way Coaxial Pro Speakers (4 Pack) The Quantum Audio QPRO8CD is an 8-inch, high-efficiency 2-way PRO audio coaxial loudspeaker. It is designed specifically for extreme volume, high-output car audio environments,...Price: $399.96 -
Quantum Audio QPRO8CD | 8 Inch 700W 4 Ohm 2-Way Coaxial Pro Speakers (Pair)
Quantum Audio
Price: $199.98Quantum Audio QPRO8CD | 8 Inch 700W 4 Ohm 2-Way Coaxial Pro Speakers (Pair) The Quantum Audio QPRO8CD is an 8-inch, high-efficiency 2-way PRO audio coaxial loudspeaker. It is designed specifically for extreme volume, high-output car audio environments,...Price: $199.98 -
Quantum Audio QPW 12 Inch 3000W Max DVC 4 Ohm Subwoofers | QPW3000/12D4 (Pair)
Quantum Audio
Price: $539.96Quantum Audio QPW 12 Inch 3000W Max DVC 4 Ohm Subwoofers | QPW3000/12D4 (Pair) The Quantum Audio QPW3000/12D4 is a high-performance 12-inch car audio subwoofer engineered to deliver loud, punchy bass. It features 750 Watts RMS (Nominal) power handling...Price: $539.96 -
Quantum Audio QPW 12 Inch 3000W Max DVC 4 Ohm Subwoofer | QPW3000/12D4
Quantum Audio
Price: $269.98(1) Quantum Audio QPW 12 Inch 3000W Max DVC 4 Ohm Subwoofer | QPW3000/12D4 The Quantum Audio QPW3000/12D4 is a high-performance 12-inch car audio subwoofer engineered to deliver loud, punchy bass. It features 750 Watts RMS (Nominal) power handling and...Price: $269.98 -
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: $204.99Was: $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: $204.99Was: $251.97 -
Sold Out
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