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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Quantum Audio QS1TW | 1 Inch 300W 4 Ohm Dome Tweeters (4 Pack)
Quantum Audio
Price: $33.98Quantum Audio QS1TW | 1 Inch 300W 4 Ohm Dome Tweeters (4 Pack) The Quantum Audio QS1TW is a 1-inch swivel dome tweeter designed for high-frequency precision and flexible installation. Unlike the bullet-style "Pro Audio" tweeters, this model is built for...Price: $33.98 -
Quantum Audio QS1TW | 1 Inch 350W 4 Ohm Dome Tweeters (Pair)
Quantum Audio
Price: $16.99Quantum Audio QS1TW | 1 Inch 350W 4 Ohm Dome Tweeters (Pair) The Quantum Audio QS1TW is a 1-inch swivel dome tweeter designed for high-frequency precision and flexible installation. Unlike the bullet-style "Pro Audio" tweeters, this model is built for a...Price: $16.99 -
Quantum Audio QRS69 | 6x9 Inch 200W 4 Ohm 4-Way Coaxial Speakers (4 Pack)
Quantum Audio
Price: $239.96Quantum Audio QRS69 | 6x9 Inch 200W 4 Ohm 4-Way Coaxial Speakers (4 Pack) The Quantum Audio QRS69 is a 6x9-inch 3-way coaxial speaker designed for high-output, full-range performance. It is the largest and most powerful speaker in the QRS coaxial series,...Price: $239.96 -
Quantum Audio QRS69 | 6x9 Inch 200W 4 Ohm 4-Way Coaxial Speakers (Pair)
Quantum Audio
Price: $119.98Quantum Audio QRS69 | 6x9 Inch 200W 4 Ohm 4-Way Coaxial Speakers (Pair) The Quantum Audio QRS69 is a 6x9-inch 3-way coaxial speaker designed for high-output, full-range performance. It is the largest and most powerful speaker in the QRS coaxial series,...Price: $119.98 -
Quantum Audio QRS65 | 6.5 Inch 180W 4 Ohm 3-Way Coaxial Speakers (4 Pack)
Quantum Audio
Price: $159.96Quantum Audio QRS65 | 6.5 Inch 180W 4 Ohm 3-Way Coaxial Speakers (4 Pack) The Quantum Audio QRS65 is a 6.5-inch 3-way coaxial speaker designed as a high-efficiency replacement for factory door or rear deck speakers. It is a popular "drop-in" upgrade for...Price: $159.96 -
Quantum Audio QRS65 | 6.5 Inch 180W 4 Ohm 3-Way Coaxial Speakers (Pair)
Quantum Audio
Price: $79.98Quantum Audio QRS65 | 6.5 Inch 180W 4 Ohm 3-Way Coaxial Speakers (Pair) The Quantum Audio QRS65 is a 6.5-inch 3-way coaxial speaker designed as a high-efficiency replacement for factory door or rear deck speakers. It is a popular "drop-in" upgrade for...Price: $79.98 -
Quantum Audio QRS57 | 5x7 Inch 180W 4 Ohm 3-Way Coaxial Speakers (4 Pack)
Quantum Audio
Price: $139.96Quantum Audio QRS57 | 5x7 Inch 180W 4 Ohm 3-Way Coaxial Speakers (4 Pack) The Quantum Audio QRS57 is a 5x7-inch 3-way coaxial speaker designed to provide a rich, full-range audio upgrade for vehicles with oval mounting locations. It features a...Price: $139.96 -
Quantum Audio QRS57 | 5x7 Inch 180W 4 Ohm 3-Way Coaxial Speakers (Pair)
Quantum Audio
Price: $69.98Quantum Audio QRS57 | 5x7 Inch 180W 4 Ohm 3-Way Coaxial Speakers (Pair) The Quantum Audio QRS57 is a 5x7-inch 3-way coaxial speaker designed to provide a rich, full-range audio upgrade for vehicles with oval mounting locations. It features a multi-driver...Price: $69.98 -
Quantum Audio QRS50 | 5.25 Inch 140W 4 Ohm 3-Way Coaxial Speakers (4 Pack)
Quantum Audio
Price: $139.96Quantum Audio QRS50 | 5.25 Inch 140W 4 Ohm 3-Way Coaxial Speakers (4 Pack) The Quantum Audio QRS50 is a 5.25-inch 3-way coaxial speaker engineered as a high-efficiency replacement for factory door or rear deck speakers. It is designed to provide a...Price: $139.96 -
Quantum Audio QRS50 | 5.25 Inch 140W 4 Ohm 3-Way Coaxial Speakers (Pair)
Quantum Audio
Price: $69.98Quantum Audio QRS50 | 5.25 Inch 140W 4 Ohm 3-Way Coaxial Speakers (Pair) The Quantum Audio QRS50 is a 5.25-inch 3-way coaxial speaker engineered as a high-efficiency replacement for factory door or rear deck speakers. It is designed to provide a...Price: $69.98 -
Quantum Audio QRS46 | 4x6 Inch 130W 4 Ohm 3-Way Coaxial Speakers (4 Pack)
Quantum Audio
Price: $119.96Quantum Audio QRS46 | 4x6 Inch 130W 4 Ohm 3-Way Coaxial Speakers (4 Pack) The Quantum Audio QRS46 is a 4x6-inch 3-way coaxial speaker designed as a high-efficiency replacement for factory car audio systems. It is engineered to provide balanced full-range...Price: $119.96 -
Quantum Audio QRS46 | 4x6 Inch 130W 4 Ohm 3-Way Coaxial Speakers (Pair)
Quantum Audio
Price: $59.98Quantum Audio QRS46 | 4x6 Inch 130W 4 Ohm 3-Way Coaxial Speakers (Pair) The Quantum Audio QRS46 is a 4x6-inch 3-way coaxial speaker designed as a high-efficiency replacement for factory car audio systems. It is engineered to provide balanced full-range...Price: $59.98