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 QS1TW | 1 Inch 300W 4 Ohm Dome Tweeters (Pair)
Quantum Audio
MSRP: $16.99On Sale: $14.98Was: $16.99Quantum Audio QS1TW | 1 Inch 300W 4 Ohm Dome Tweeters (Pair) Specs: • Max Power Handling: 300W • Impedance: 4 Ohms Features: • High Efficiency Dome Tweeter • Multiple Mounting Applications • Easy Installations • Built-In...MSRP: $16.99On Sale: $14.98Was: $16.99 -
Sold OutOn Sale
Quantum Audio QRS69 | 6x9 Inch 200W 4 Ohm 4-Way Coaxial Speakers (4 Pack)
Quantum Audio
MSRP: $239.96On Sale: $199.96Was: $239.96Quantum Audio QRS69 | 6x9 Inch 200W 4 Ohm 4-Way Coaxial Speakers (4 Pack) Specs: • Max Power Handling: 200W • RMS Power Handling: 80W • Impedance: 4 Ohms • Frequency Range: 35Hz - 28KHz • Sensitivity: 91 dB • Outside...MSRP: $239.96On Sale: $199.96Was: $239.96 -
Sold OutOn Sale
Quantum Audio QRS69 | 6x9 Inch 200W 4 Ohm 4-Way Coaxial Speakers (Pair)
Quantum Audio
MSRP: $119.98On Sale: $99.98Was: $119.98Quantum Audio QRS69 | 6x9 Inch 200W 4 Ohm 4-Way Coaxial Speakers (Pair) Specs: • Max Power Handling: 200W • RMS Power Handling: 80W • Impedance: 4 Ohms • Frequency Range: 35Hz - 28KHz • Sensitivity: 91 dB • Outside...MSRP: $119.98On Sale: $99.98Was: $119.98 -
On Sale
Quantum Audio QRS65 | 6.5 Inch 180W 4 Ohm 3-Way Coaxial Speakers (4 Pack)
Quantum Audio
MSRP: $159.96On Sale: $139.96Was: $159.96Quantum Audio QRS65 | 6.5 Inch 180W 4 Ohm 3-Way Coaxial Speakers (4 Pack) Specs: • Max Power Handling: 180W • RMS Power Handling: 60W • Impedance: 4 Ohms • Frequency Range: 45Hz - 25KHz • Sensitivity: 91 dB • Outside...MSRP: $159.96On Sale: $139.96Was: $159.96 -
On Sale
Quantum Audio QRS65 | 6.5 Inch 180W 4 Ohm 3-Way Coaxial Speakers (Pair)
Quantum Audio
MSRP: $79.98On Sale: $69.98Was: $79.98Quantum Audio QRS65 | 6.5 Inch 180W 4 Ohm 3-Way Coaxial Speakers (Pair) Specs: • Max Power Handling: 180W • RMS Power Handling: 60W • Impedance: 4 Ohms • Frequency Range: 45Hz - 25KHz • Sensitivity: 91 dB • Outside Diameter:...MSRP: $79.98On Sale: $69.98Was: $79.98 -
On Sale
Quantum Audio QRS57 | 5x7 Inch 180W 4 Ohm 3-Way Coaxial Speakers (4 Pack)
Quantum Audio
MSRP: $139.96On Sale: $119.96Was: $139.96Quantum Audio QRS57 | 5x7 Inch 180W 4 Ohm 3-Way Coaxial Speakers (4 Pack) Specs: • Max Power Handling: 180W • RMS Power Handling: 60W • Impedance: 4 Ohms • Frequency Range: 45Hz - 25KHz • Sensitivity: 91 dB • Outside...MSRP: $139.96On Sale: $119.96Was: $139.96 -
On Sale
Quantum Audio QRS57 | 5x7 Inch 180W 4 Ohm 3-Way Coaxial Speakers (Pair)
Quantum Audio
MSRP: $69.98On Sale: $59.98Was: $69.98Quantum Audio QRS57 | 5x7 Inch 180W 4 Ohm 3-Way Coaxial Speakers (Pair) Specs: • Max Power Handling: 180W • RMS Power Handling: 60W • Impedance: 4 Ohms • Frequency Range: 45Hz - 25KHz • Sensitivity: 91 dB • Outside...MSRP: $69.98On Sale: $59.98Was: $69.98 -
On Sale
Quantum Audio QRS50 | 5.25 Inch 140W 4 Ohm 3-Way Coaxial Speakers (4 Pack)
Quantum Audio
MSRP: $139.96On Sale: $119.96Was: $139.96Quantum Audio QRS50 | 5.25 Inch 140W 4 Ohm 3-Way Coaxial Speakers (4 Pack) Specs: • Max Power Handling: 140W • RMS Power Handling: 40W • Impedance: 4 Ohms • Frequency Range: 50Hz - 25KHz • Sensitivity: 89 dB • Outside...MSRP: $139.96On Sale: $119.96Was: $139.96 -
On Sale
Quantum Audio QRS50 | 5.25 Inch 140W 4 Ohm 3-Way Coaxial Speakers (Pair)
Quantum Audio
MSRP: $69.98On Sale: $59.98Was: $69.98Quantum Audio QRS50 | 5.25 Inch 140W 4 Ohm 3-Way Coaxial Speakers (Pair) Specs: • Max Power Handling: 140W • RMS Power Handling: 40W • Impedance: 4 Ohms • Frequency Range: 50Hz - 25KHz • Sensitivity: 89 dB • Outside...MSRP: $69.98On Sale: $59.98Was: $69.98 -
On Sale
Quantum Audio QRS46 | 4x6 Inch 130W 4 Ohm 3-Way Coaxial Speakers (4 Pack)
Quantum Audio
MSRP: $119.96On Sale: $109.96Was: $119.96Quantum Audio QRS46 | 4x6 Inch 130W 4 Ohm 3-Way Coaxial Speakers (4 Pack) Specs: • Max Power Handling: 130W • RMS Power Handling: 40W • Impedance: 4 Ohms • Frequency Range: 75Hz - 25KHz • Sensitivity: 89 dB • Mounting...MSRP: $119.96On Sale: $109.96Was: $119.96 -
On Sale
Quantum Audio QRS46 | 4x6 Inch 130W 4 Ohm 3-Way Coaxial Speakers (Pair)
Quantum Audio
MSRP: $59.98On Sale: $54.98Was: $59.98Quantum Audio QRS46 | 4x6 Inch 130W 4 Ohm 3-Way Coaxial Speakers (Pair) Specs: • Max Power Handling: 130W • RMS Power Handling: 40W • Impedance: 4 Ohms • Frequency Range: 75Hz - 25KHz • Sensitivity: 89 dB • Mounting...MSRP: $59.98On Sale: $54.98Was: $59.98 -
On Sale
Quantum Audio QRS40 | 4 Inch 120W 4 Ohm 3-Way Coaxial Speakers (4 Pack)
Quantum Audio
MSRP: $119.96On Sale: $109.96Was: $119.96Quantum Audio QRS40 | 4 Inch 120W 4 Ohm 3-Way Coaxial Speakers (4 Pack) Specs: • Max Power Handling: 120W • RMS Power Handling: 40W • Impedance: 4 Ohms • Frequency Range: 50Hz - 25KHz • Sensitivity: 89 dB • Outside Diameter:...MSRP: $119.96On Sale: $109.96Was: $119.96