Poly - Plantronics .Audio 990 alternatives, similar headphones

CTA Perfect Sound 1
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Sony Ericsson HPM-64
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Sony MDR NC22
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Sony MDR KE30LW
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Poly M40-E2
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Poly SupraPlus H261H
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Sony MDR D777LP Altus
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Denon AH-D1000K
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Denon AH-D1000S
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Denon AH-D2000
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Denon AH-D5000
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Sweex Speaker Control Neckband Headset
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Poly - Plantronics MX 200-SG4
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Poly - Plantronics MX 200-SM2
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Poly - Plantronics MX 250-E1
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Poly - Plantronics MX 250-N3
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Poly - Plantronics MX 250-SG3
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Poly - Plantronics MX 250-SG4
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Poly - Plantronics .Audio 440
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Poly - Plantronics Discovery 610
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Poly - Plantronics Discovery 650
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Poly - Plantronics Discovery 640E
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Poly - Plantronics Discovery 650E
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Poly - Plantronics SupraPlus Wireless CS351N Spare Headset
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