Speakers
Shop the best Quantum Audio Speakers from Designer Motorsports. Popular models from the QSX and QRS series plus more. Great prices, free shipping and fast customer service. Upgrade your ride today and let the music move you with new Quantum Audio speakers. Be sure to join our affiliate program for exclusive low prices!
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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 -
On Sale
Quantum Audio QRS40 | 4 Inch 120W 4 Ohm 3-Way Coaxial Speakers (Pair)
Quantum Audio
MSRP: $59.98On Sale: $54.98Was: $59.98Quantum Audio QRS40 | 4 Inch 120W 4 Ohm 3-Way Coaxial Speakers (Pair) Specs: • Max Power Handling: 120W • RMS Power Handling: 40W • Impedance: 4 Ohms • Frequency Range: 50Hz - 25KHz • Sensitivity: 89 dB • Outside Diameter: 5...MSRP: $59.98On Sale: $54.98Was: $59.98 -
On Sale
Quantum Audio QPT3D | 1 Inch 300W 4 Ohm Pro Audio Bullet Tweeters (4 Pack)
Quantum Audio
MSRP: $99.96On Sale: $79.96Was: $99.96Quantum Audio QPT3D | 1 Inch 300W 4 Ohm Pro Audio Bullet Tweeters (4 Pack) Specs: • Max Power Handling: 300W • RMS Power Handling: 150W • Impedance: 4 Ohms • Frequency Range: 2KHz - 20KHz • Sensitivity: 101 dB Features: • 1...MSRP: $99.96On Sale: $79.96Was: $99.96 -
On Sale
Quantum Audio QPT3D | 1 Inch 300W 4 Ohm Pro Audio Bullet Tweeters (Pair)
Quantum Audio
MSRP: $49.98On Sale: $39.98Was: $49.98Quantum Audio QPT3D | 1 Inch 300W 4 Ohm Pro Audio Bullet Tweeters (Pair) Specs: • Max Power Handling: 300W • RMS Power Handling: 150W • Impedance: 4 Ohms • Frequency Range: 2KHz - 20KHz • Sensitivity: 101 dB Features: • 1...MSRP: $49.98On Sale: $39.98Was: $49.98 -
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Quantum Audio QPSM8V4 | 8 Inch 350W 4 Ohm Pro Audio Speakers (4 Pack)
Quantum Audio
MSRP: $319.92On Sale: $279.92Was: $319.92Quantum Audio QPSM8V4 | 8 Inch 350W 4 Ohm Pro Audio Speakers (4 Pack) Specs: • Max Power Handling: 350W • RMS Power Handling: 200W • Impedance: 4 Ohms • Sensitivity: 97.3 dB Features: • 1.5" Voice Coil • Barium Ferrite...MSRP: $319.92On Sale: $279.92Was: $319.92 -
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Quantum Audio QPSM8V4 | 8 Inch 350W 4 Ohm Pro Audio Speakers (Pair)
Quantum Audio
MSRP: $159.96On Sale: $139.96Was: $159.96Quantum Audio QPSM8V4 | 8 Inch 350W 4 Ohm Pro Audio Speakers (Pair) Specs: • Max Power Handling: 350W • RMS Power Handling: 200W • Impedance: 4 Ohms • Sensitivity: 97.3 dB Features: • 1.5" Voice Coil • Barium Ferrite...MSRP: $159.96On Sale: $139.96Was: $159.96 -
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Quantum Audio QPSM8V4 | 8 Inch 350W 4 Ohm Pro Audio Speaker (Single)
Quantum Audio
MSRP: $79.98On Sale: $69.98Was: $79.98Quantum Audio QPSM8V4 | 8 Inch 350W 4 Ohm Pro Audio Speaker (Single) Specs: • Max Power Handling: 350W • RMS Power Handling: 200W • Impedance: 4 Ohms • Sensitivity: 97.3 dB Features: • 1.5" Voice Coil • Barium Ferrite...MSRP: $79.98On Sale: $69.98Was: $79.98 -
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Quantum Audio QPSM6V4 | 6.5 Inch 300W 4 Ohm Pro Audio Speakers (4 Pack)
Quantum Audio
MSRP: $239.92On Sale: $199.92Was: $239.92Quantum Audio QPSM6V4 | 6.5 Inch 300W 4 Ohm Pro Audio Speakers (4 Pack) Specs: • Max Power Handling: 300W • RMS Power Handling: 175W • Impedance: 4 Ohms • Sensitivity: 91.8 dB Features: • 1.5" Voice Coil • Barium Ferrite...MSRP: $239.92On Sale: $199.92Was: $239.92 -
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Quantum Audio QPSM6V4 | 6.5 Inch 300W 4 Ohm Pro Audio Speakers (Pair)
Quantum Audio
MSRP: $119.96On Sale: $99.96Was: $119.96Quantum Audio QPSM6V4 | 6.5 Inch 300W 4 Ohm Pro Audio Speakers (Pair) Specs: • Max Power Handling: 300W • RMS Power Handling: 175W • Impedance: 4 Ohms • Sensitivity: 91.8 dB Features: • 1.5" Voice Coil • Barium Ferrite...MSRP: $119.96On Sale: $99.96Was: $119.96 -
Sold OutOn Sale
Quantum Audio QPSM6V4 | 6.5 Inch 300W 4 Ohm Pro Audio Speaker (Single)
Quantum Audio
MSRP: $59.98On Sale: $49.98Was: $59.98Quantum Audio QPSM6V4 | 6.5 Inch 300W 4 Ohm Pro Audio Speaker (Single) Specs: • Max Power Handling: 300W • RMS Power Handling: 175W • Impedance: 4 Ohms • Sensitivity: 91.8 dB Features: • 1.5" Voice Coil • Barium Ferrite...MSRP: $59.98On Sale: $49.98Was: $59.98 -
On Sale
Quantum Audio QB1ST | 1 Inch 350W 4 Ohm Component Tweeters (Pair)
Quantum Audio
MSRP: $49.98On Sale: $39.98Was: $49.98Quantum Audio QB1ST | 1 Inch 350W 4 Ohm Component Tweeters (Pair) Specs: • Max Power Handling: 350W • RMS Power Handling: 175W • Impedance: 4 Ohms • Sensitivity: 91 dB Features: • 1" Component Mylar Dome Tweeter •...MSRP: $49.98On Sale: $39.98Was: $49.98