Subwoofers
Shop the best Quantum Audio Subwoofers from Designer Motorsports. Popular models from the QWX series and more. Great prices, free shipping and fast customer service. Upgrade your ride today and let the music move you with new Quantum Audio subwoofers. Be sure to join our affiliate program for exclusive low prices!
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Quantum Audio QBC1-10 | 10 Inch 500W Max Powered Subwoofer System
Quantum Audio
Price: $289.98Quantum Audio QBC1-10 | 10 Inch 500W Max Powered Subwoofer System The Quantum Audio QBC1-10 is a compact, active 10-inch subwoofer system designed for vehicles with limited space. It features an integrated amplifier and a specialized down-firing...Price: $289.98 -
Quantum Audio QWX 15 Inch 4000W Max DVC 4 Ohm Subwoofers | QWX4000/15D4 (Pair)
Quantum Audio
Price: $579.96Quantum Audio QWX 15 Inch 4000W Max DVC 4 Ohm Subwoofers | QWX4000/15D4 (Pair) The Quantum Audio QWX4000/15D4 is the 15-inch powerhouse of the Quantum X Series, built for extreme air displacement and deep low-frequency performance. It features a massive...Price: $579.96 -
Quantum Audio QWX 15 Inch 4000W Max DVC 4 Ohm Subwoofer | QWX4000/15D4
Quantum Audio
Price: $289.98(1) Quantum Audio QWX 15 Inch 4000W Max DVC 4 Ohm Subwoofer | QWX4000/15D4 The Quantum Audio QWX4000/15D4 is the 15-inch powerhouse of the Quantum X Series, built for extreme air displacement and deep low-frequency performance. It features a massive...Price: $289.98 -
Quantum Audio QWX 12 Inch 4000W Max DVC 4 Ohm Subwoofers | QWX4000/12D4 (Pair)
Quantum Audio
Price: $499.96Quantum Audio QWX 12 Inch 4000W Max DVC 4 Ohm Subwoofers | QWX4000/12D4 (Pair) The Quantum Audio QWX4000/12D4 is a high-performance 12-inch car subwoofer from the Quantum X Series. It is designed for high power handling and deep bass reproduction,...Price: $499.96 -
Quantum Audio QWX 12 Inch 4000W Max DVC 4 Ohm Subwoofer | QWX4000/12D4
Quantum Audio
Price: $249.98(1) Quantum Audio QWX 12 Inch 4000W Max DVC 4 Ohm Subwoofer | QWX4000/12D4 The Quantum Audio QWX4000/12D4 is a high-performance 12-inch car subwoofer from the Quantum X Series. It is designed for high power handling and deep bass reproduction, featuring...Price: $249.98 -
Quantum Audio QWX 10 Inch 4000W Max DVC 4 Ohm Subwoofers | QWX4000/10D4 (Pair)
Quantum Audio
Price: $399.96Quantum Audio QWX 10 Inch 4000W Max DVC 4 Ohm Subwoofers | QWX4000/10D4 (Pair) The Quantum Audio QWX4000/10D4 is a high-performance 10-inch car subwoofer from the Quantum X Series. It is designed for high power handling and deep bass reproduction,...Price: $399.96 -
Quantum Audio QWX 10 Inch 4000W Max DVC 4 Ohm Subwoofer | QWX4000/10D4
Quantum Audio
Price: $199.98(1) Quantum Audio QWX 10 Inch 4000W Max DVC 4 Ohm Subwoofer | QWX4000/10D4 The Quantum Audio QWX4000/10D4 is a high-performance 10-inch car subwoofer from the Quantum X Series. It is designed for high power handling and deep bass reproduction, featuring...Price: $199.98 -
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Quantum Audio QWX 8 Inch 4000W Max DVC 4 Ohm Subwoofers | QWX4000/8D4 (Pair)
Quantum Audio
Price: $279.96Quantum Audio QWX 8 Inch 4000W Max DVC 4 Ohm Subwoofers | QWX4000/8D4 (Pair) The Quantum Audio QWX4000/8D4 is a high-performance 8-inch dual 4-ohm subwoofer part of the Quantum X series, engineered for extreme power output and deep bass in a compact...Price: $279.96 -
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Quantum Audio QWX 8 Inch 4000W Max DVC 4 Ohm Subwoofer | QWX4000/8D4
Quantum Audio
Price: $139.98(1) Quantum Audio QWX 8 Inch 4000W Max DVC 4 Ohm Subwoofer | QWX4000/8D4 The Quantum Audio QWX4000/8D4 is a high-performance 8-inch dual 4-ohm subwoofer part of the Quantum X series, engineered for extreme power output and deep bass in a compact...Price: $139.98 -
Quantum Audio QWX 12 Inch 2000W Max DVC 4 Ohm Subwoofers | QWX2000/12D4 (Pair)
Quantum Audio
Price: $319.96Quantum Audio QWX 12 Inch 2000W Max DVC 4 Ohm Subwoofers | QWX2000/12D4 (Pair) The Quantum Audio QWX2000/12D4 is a 12-inch high-excursion subwoofer from the QWX series, designed to deliver deep, heavy bass. It features a Dual 4-Ohm voice coil...Price: $319.96 -
Quantum Audio QWX 12 Inch 2000W Max DVC 4 Ohm Subwoofer | QWX2000/12D4
Quantum Audio
Price: $159.98(1) Quantum Audio QWX 12 Inch 2000W Max DVC 4 Ohm Subwoofer | QWX2000/12D4 The Quantum Audio QWX2000/12D4 is a 12-inch high-excursion subwoofer from the QWX series, designed to deliver deep, heavy bass. It features a Dual 4-Ohm voice coil configuration,...Price: $159.98