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Customer Reviews: JBL Quantum 400 Over-ear wired gaming headset with virtual surround sound at Crutchfield
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Amazon.com: JBL Quantum 400 - Wired Over-Ear Gaming Headphones with USB and Game-Chat Balance Dial - Black (Renewed) : Electronics
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Amazon.com: LTGEM Hard Case for JBL Quantum One/50/100/200/300/400/600/610/800 Wired Over Ear Gaming Headphones : Electronics
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