Poly CS 60X alternatives, similar headphones

Elecom COLOUR
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Elecom S210
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Turtle Beach Ear Force HPA2
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Motorola SYN 8390
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Motorola H390
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Denon AH-D7000
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Poly - Plantronics Direct Connect MO200-SM2
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Poly - Plantronics Direct Connect MO200-N3
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Poly - Plantronics DuoSet MO200-E2
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Philips Nike Pursue SHJ066
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Jabra GN2100 4-in-1 Noise Canceling STD
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Saitek Pro Flight Headset
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Poly Voyager 510 System + HL10 Lifter
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Poly CHS142FS2
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Poly SupraPlus D261N-USB
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Poly SupraPlus HW251N-USB
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Poly CS 50 Wireless Office Headset System
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Poly Voyager 835
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Poly SupraPlus HW251N Wideband USB
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Poly CT14
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Poly SupraPlus HW251N/DA-M
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Poly C65/A
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Poly Entera HW111N/A
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Poly CS70N
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