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!
-
On Sale
Quantum Audio QS2TW | 1 Inch 375W 4 Ohm Dome Tweeters (Pair)
Quantum Audio
MSRP: $24.99On Sale: $19.98Was: $24.99Quantum Audio QS2TW | 1 Inch 375W 4 Ohm Dome Tweeters (Pair) Specs: • Max Power Handling: 375W • RMS Power Handling: 185W • Impedance: 4 Ohms Features: • High Efficiency Dome Tweeter • Directional Mount • Easy...MSRP: $24.99On Sale: $19.98Was: $24.99 -
On Sale
Quantum Audio QBC1-10 | 10 Inch 500W Max Powered Subwoofer System
Quantum Audio
MSRP: $289.98On Sale: $269.98Was: $289.98Quantum Audio QBC1-10 | 10 Inch 500W Max Powered Subwoofer System Specs: • Max Power: 500W • RMS Power: 250W • Frequency Response: 50Hz - 250Hz • Crossover Frequency: 50Hz - 250Hz • Phase Shift: 0 - 180 degrees • Fuse:...MSRP: $289.98On Sale: $269.98Was: $289.98 -
On Sale
Quantum Audio QPRO69CD | 6x9 Inch 700W 4 Ohm 2-Way Coaxial Pro Audio Speakers (4 Pack)
Quantum Audio
MSRP: $399.96On Sale: $359.96Was: $399.96Quantum Audio QPRO69CD | 6x9 Inch 700W 4 Ohm 2-Way Coaxial Pro Audio Speakers (4 Pack) Also Known As: QPRO-69-CD / QPRO-69CD / QPRO69-CD / QPRO 6x9 CD Specs: • Max Power Handling: 700W • RMS Power Handling: 350W • Impedance: 4 Ohms •...MSRP: $399.96On Sale: $359.96Was: $399.96 -
On Sale
Quantum Audio QPRO69CD | 6x9 Inch 700W 4 Ohm 2-Way Coaxial Pro Audio Speakers (Pair)
Quantum Audio
MSRP: $199.98On Sale: $179.98Was: $199.98Quantum Audio QPRO69CD | 6x9 Inch 700W 4 Ohm 2-Way Coaxial Pro Audio Speakers (Pair) Also Known As: QPRO-69-CD / QPRO-69CD / QPRO69-CD / QPRO 6x9 CD Specs: • Max Power Handling: 700W • RMS Power Handling: 350W • Impedance: 4 Ohms •...MSRP: $199.98On Sale: $179.98Was: $199.98 -
On Sale
Quantum Audio QPRO65CD | 6.5 Inch 500W 4 Ohm 2-Way Coaxial Pro Audio Speakers (4 Pack)
Quantum Audio
MSRP: $359.96On Sale: $319.96Was: $359.96Quantum Audio QPRO65CD | 6.5 Inch 500W 4 Ohm 2-Way Coaxial Pro Audio Speakers (4 Pack) Also Known As: QPRO-6.5-CD / QPRO-6.5CD / QPRO65-CD / QPRO6.5CD Specs: • Max Power Handling: 500W • RMS Power Handling: 250W • Impedance: 4 Ohms •...MSRP: $359.96On Sale: $319.96Was: $359.96 -
On Sale
Quantum Audio QPRO65CD | 6.5 Inch 500W 4 Ohm 2-Way Coaxial Pro Audio Speakers (Pair)
Quantum Audio
MSRP: $179.98On Sale: $159.98Was: $179.98Quantum Audio QPRO65CD | 6.5 Inch 500W 4 Ohm 2-Way Coaxial Pro Audio Speakers (Pair) Also Known As: QPRO-6.5-CD / QPRO-6.5CD / QPRO65-CD / QPRO6.5CD Specs: • Max Power Handling: 500W • RMS Power Handling: 250W • Impedance: 4 Ohms •...MSRP: $179.98On Sale: $159.98Was: $179.98 -
On Sale
Quantum Audio QA1-2600 | 2600W Max Monoblock Subwoofer Amplifier
Quantum Audio
MSRP: $199.98On Sale: $169.98Was: $199.98Quantum Audio QA1-2600 | 2600W Max Monoblock Subwoofer Amplifier Unleash the Power of Sound with Quantum Audio's QA1-2600 Monoblock Amplifier - Amplify Your Music Experience to the Next Level! Also Known As: QA12600 / QA2600.1 / QA-2600.1 Specs: •...MSRP: $199.98On Sale: $169.98Was: $199.98 -
On Sale
Quantum Audio QA1-2200 | 2200W Max Monoblock Subwoofer Amplifier
Quantum Audio
MSRP: $179.98On Sale: $149.98Was: $179.98Quantum Audio QA1-2200 | 2200W Max Monoblock Subwoofer Amplifier Unleash the Power of Sound with Quantum Audio's QA1-2200 Monoblock Amplifier - Amplify Your Music Experience to the Next Level! Also Known As: QA12200 / QA2200.1 / QA-2200.1 Specs: •...MSRP: $179.98On Sale: $149.98Was: $179.98 -
On Sale
Quantum Audio QA2-1200 | 1200W Max 2 Channel Full Range Amplifier
Quantum Audio
MSRP: $129.98On Sale: $109.98Was: $129.98Quantum Audio QA2-1200 | 1200W Max 2 Channel Full Range Amplifier Unleash the Power of Sound with Quantum Audio's QA2-1200 Full Range Amplifier - Amplify Your Music Experience to the Next Level! Also Known As: QA21200 / QA1200.2 / QA-1200.2 /...MSRP: $129.98On Sale: $109.98Was: $129.98 -
On Sale
Quantum Audio QA4-2000 | 2000W Max 4 Channel Full Range Amplifier
Quantum Audio
MSRP: $169.98On Sale: $149.98Was: $169.98Quantum Audio QA4-2000 | 2000W Max 4 Channel Full Range Amplifier Unleash the Power of Sound with Quantum Audio's QA4-2000 Full Range Amplifier - Amplify Your Music Experience to the Next Level! Also Known As: QA42000 / QA-20004 / QA-2000.4 / QA2000...MSRP: $169.98On Sale: $149.98Was: $169.98 -
Sold OutOn Sale
Quantum Audio QRX4001 | 4000W Monoblock Subwoofer Amplifier
Quantum Audio
MSRP: $349.98On Sale: $299.98Was: $349.98Quantum Audio QRX4001 | 4000W Monoblock Subwoofer Amplifier Unleash the Power of Sound with Quantum Audio's QRX4001 Monoblock Amplifier - Amplify Your Music Experience to the Next Level! Also Known As: QRX-4001 / QRX400.1 / QRX-400.1 Specs: •...MSRP: $349.98On Sale: $299.98Was: $349.98 -
On Sale
Quantum Audio QRX2501 | 2500W Monoblock Subwoofer Amplifier
Quantum Audio
MSRP: $249.98On Sale: $229.98Was: $249.98Quantum Audio QRX2501 | 2500W Monoblock Subwoofer Amplifier Unleash the Power of Sound with Quantum Audio's QRX2501 Monoblock Amplifier - Amplify Your Music Experience to the Next Level! Also Known As: QRX-2501 / QRX250.1 / QRX-250.1 Specs: •...MSRP: $249.98On Sale: $229.98Was: $249.98