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 QRS40 | 4 Inch 120W 4 Ohm 3-Way Coaxial Speakers (4 Pack)
Quantum Audio
Price: $119.96Quantum Audio QRS40 | 4 Inch 120W 4 Ohm 3-Way Coaxial Speakers (4 Pack) The Quantum Audio QRS40 is a 4-inch, 3-way coaxial car speaker designed as an efficient factory upgrade. It features a compact "easy-fit" design to deliver clear, full-range audio in...Price: $119.96 -
Quantum Audio QRS40 | 4 Inch 120W 4 Ohm 3-Way Coaxial Speakers (Pair)
Quantum Audio
Price: $59.98Quantum Audio QRS40 | 4 Inch 120W 4 Ohm 3-Way Coaxial Speakers (Pair) The Quantum Audio QRS40 is a 4-inch, 3-way coaxial car speaker designed as an efficient factory upgrade. It features a compact "easy-fit" design to deliver clear, full-range audio in...Price: $59.98 -
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Quantum Audio QPT3D | 1 Inch 300W 4 Ohm Pro Bullet Tweeters (4 Pack)
Quantum Audio
Price: $99.96Quantum Audio QPT3D | 1 Inch 300W 4 Ohm Pro Audio Bullet Tweeters (4 Pack) The Quantum Audio QPT3D is a high-performance 1-inch die-cast aluminum bullet tweeter designed for "Pro Audio" style car sound systems. Part of the DB Drive family, it is...Price: $99.96 -
Quantum Audio QPT3D | 1 Inch 300W 4 Ohm Pro Bullet Tweeters (Pair)
Quantum Audio
Price: $49.98Quantum Audio QPT3D | 1 Inch 300W 4 Ohm Pro Bullet Tweeters (Pair) The Quantum Audio QPT3D is a high-performance 1-inch die-cast aluminum bullet tweeter designed for "Pro Audio" style car sound systems. Part of the DB Drive family, it is engineered to...Price: $49.98 -
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Quantum Audio QPSM8V4 | 8 Inch 350W 4 Ohm Pro Speakers (4 Pack)
Quantum Audio
Price: $319.92Quantum Audio QPSM8V4 | 8 Inch 350W 4 Ohm Pro Speakers (4 Pack) 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: $319.92 -
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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 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