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...Price: $24.99 -
Quantum Audio QA1-2200 | 2200W Max Monoblock Subwoofer Amplifier
Quantum Audio
Price: $179.98Quantum Audio QA1-2200 | 2200W Max Monoblock Subwoofer Amplifier The Quantum Audio QA1-2200 is a compact Class D monoblock amplifier designed for high-efficiency subwoofer performance. Despite its...Price: $179.98 -
Quantum Audio QS-652 | 6.5 Inch 300W 4 Ohm 2-Way Coaxial Speakers (4 Pack)
Quantum Audio
Price: $119.96Quantum Audio QS-652 | 6.5 Inch 300W 4 Ohm 2-Way Coaxial Speakers (4 Pack) The Quantum Audio QS-652 is a 6.5-inch, 2-way coaxial car loudspeaker designed to deliver an affordable audio upgrade with...Price: $119.96 -
Quantum Audio QS-693 | 6x9 Inch 350W 4 Ohm 3-Way Coaxial Speakers (4 Pack)
Quantum Audio
Price: $179.96Quantum Audio QS-693 | 6x9 Inch 350W 4 Ohm 3-Way Coaxial Speakers (4 Pack) The Quantum Audio QS-693 is a 6x9-inch, 3-way coaxial car loudspeaker designed to deliver an affordable audio upgrade with...Price: $179.96 -
Quantum Audio QS-693 | 6x9 Inch 350W 4 Ohm 3-Way Coaxial Speakers (Pair)
Quantum Audio
Price: $89.98Quantum Audio QS-693 | 6x9 Inch 350W 4 Ohm 3-Way Coaxial Speakers (Pair) The Quantum Audio QS-693 is a 6x9-inch, 3-way coaxial car loudspeaker designed to deliver an affordable audio upgrade with...Price: $89.98 -
Quantum Audio QS-652 | 6.5 Inch 300W 4 Ohm 2-Way Coaxial Speakers (Pair)
Quantum Audio
Price: $59.98Quantum Audio QS-652 | 6.5 Inch 300W 4 Ohm 2-Way Coaxial Speakers (Pair) The Quantum Audio QS-652 is a 6.5-inch, 2-way coaxial car loudspeaker designed to deliver an affordable audio upgrade with...Price: $59.98 -
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...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...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...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...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...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...Price: $539.96