Koss R 80 alternatives, similar headphones

Poly TriStar H81 with Vista M12 Amplifier
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Poly TriStar H81N with Vista M12 Amplifier
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Poly TriStar H81N
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Poly TriStar H81
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Poly Supra H61
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Poly Supra H61N with Vista M12
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Typhoon
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Fellowes C 650
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Poly HS1
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Poly - Plantronics M 130
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Koss QZ 2000
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Koss P 5
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Koss CS 100
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Koss CS 80
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Koss CS 95
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