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 QPSM8V4 | 8 Inch 350W 4 Ohm Pro Speakers (Pair)
Quantum Audio
Price: $159.96Quantum Audio QPSM8V4 | 8 Inch 350W 4 Ohm Pro Speakers (Pair) The Quantum Audio QPSM8V4 is an 8-inch high-efficiency pro audio midrange speaker designed for loud and clear sound in both car audio and professional setups. It is engineered with a...Price: $159.96 -
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Quantum Audio QPSM8V4 | 8 Inch 350W 4 Ohm Pro Speaker (Single)
Quantum Audio
Price: $79.98Quantum Audio QPSM8V4 | 8 Inch 350W 4 Ohm Pro Speaker (Single) The Quantum Audio QPSM8V4 is an 8-inch high-efficiency pro audio midrange speaker designed for loud and clear sound in both car audio and professional setups. It is engineered with a...Price: $79.98 -
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Quantum Audio QPSM6V4 | 6.5 Inch 300W 4 Ohm Pro Speakers (4 Pack)
Quantum Audio
Price: $239.92Quantum Audio QPSM6V4 | 6.5 Inch 300W 4 Ohm Pro Speakers (4 Pack) The Quantum Audio QPSM6V4 is a 6.5-inch Pro Audio Midrange Speaker from the "Pro" series, designed specifically for high-volume, high-efficiency output. Unlike standard car speakers, these...Price: $239.92 -
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Quantum Audio QPSM6V4 | 6.5 Inch 300W 4 Ohm Pro Speakers (Pair)
Quantum Audio
Price: $119.96Quantum Audio QPSM6V4 | 6.5 Inch 300W 4 Ohm Pro Speakers (Pair) The Quantum Audio QPSM6V4 is a 6.5-inch Pro Audio Midrange Speaker from the "Pro" series, designed specifically for high-volume, high-efficiency output. Unlike standard car speakers, these...Price: $119.96 -
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Quantum Audio QPSM6V4 | 6.5 Inch 300W 4 Ohm Pro Speaker (Single)
Quantum Audio
Price: $59.98(1) Quantum Audio QPSM6V4 | 6.5 Inch 300W 4 Ohm Pro Speaker (Single) The Quantum Audio QPSM6V4 is a 6.5-inch Pro Audio Midrange Speaker from the "Pro" series, designed specifically for high-volume, high-efficiency output. Unlike standard car speakers,...Price: $59.98 -
Quantum Audio QEA800.4 | 1280W Max 4 Channel Full Range Amplifier
Quantum Audio
Price: $189.98Quantum Audio QEA800.4 | 1280W Max 4 Channel Full Range Amplifier Unleash the Power of Sound with Quantum Audio's QEA800.4 Full Range Amplifier - Amplify Your Music Experience to the Next Level! Also Known As: QEA8004 / QEA-8004 / QEA-800...Price: $189.98 -
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Quantum Audio QEA800.2 | 640W Max 2 Channel Full Range Amplifier
Quantum Audio
Price: $139.98Quantum Audio QEA800.2 | 640W Max 2 Channel Full Range Amplifier Unleash the Power of Sound with Quantum Audio's QEA800.2 Full Range Amplifier - Amplify Your Music Experience to the Next Level! Also Known As: QEA8002 / QEA-8002 / QEA-800...Price: $139.98 -
Quantum Audio QEA500.4 | 800W Max 4 Channel Full Range Amplifier
Quantum Audio
Price: $169.98Quantum Audio QEA500.4 | 800W Max 4 Channel Full Range Amplifier Unleash the Power of Sound with Quantum Audio's QEA500.4 Full Range Amplifier - Amplify Your Music Experience to the Next Level! The Quantum Audio QEA500.4 is a 4-channel Class A/B...Price: $169.98 -
Quantum Audio QEA2500.1 | 2500W Max Monoblock Subwoofer Amplifier
Quantum Audio
Price: $199.98Quantum Audio QEA2500.1 | 2500W Max Monoblock Subwoofer Amplifier Unleash the Power of Sound with Quantum Audio's QEA2500.1 MONOBLOCK Amplifier - Amplify Your Music Experience to the Next Level! Introducing the Quantum Audio QEA2500.1 Monoblock Amplifier...Price: $199.98 -
Quantum Audio QEA1500.1 | 1500W Max Monoblock Subwoofer Amplifier
Quantum Audio
Price: $169.98Quantum Audio QEA1500.1 | 1500W Max Monoblock Subwoofer Amplifier Unleash the Power of Sound with Quantum Audio's QEA1500.1 MONOBLOCK Amplifier - Amplify Your Music Experience to the Next Level! Introducing the Quantum Audio QEA1500.1 Monoblock Amplifier...Price: $169.98 -
Quantum Audio QB1ST | 1 Inch 350W 4 Ohm Component Tweeters (Pair)
Quantum Audio
Price: $49.98Quantum Audio QB1ST | 1 Inch 350W 4 Ohm Component Tweeters (Pair) The Quantum Audio QB1ST is a 1-inch (25mm) Mylar dome component tweeter designed for car audio upgrades. Part of the Beta Series, it is engineered to deliver crisp, high-frequency sound...Price: $49.98