Poly - Plantronics .Audio 340 alternatives, similar headphones

Hama HK-207
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Grundig GHI-472
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Hama HK-211
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TERRATEC Surround Headset Master 5.1 USB
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Philips SHM2000
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Philips SHM6100
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Poly SupraPlus H251/A Voice Tube
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Poly SupraPlus H251N/A
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Behringer HPS3000
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Behringer HPM1000
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Tekkeon ezTalker Digital ET3000
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Poly - Plantronics SupraPlus Wireless CS351 with Voice Tube
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Poly - Plantronics SupraPlus Wireless CS351N with Noise-Canceling
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Poly - Plantronics SupraPlus Wireless CS361 with Voice Tube
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Poly - Plantronics SupraPlus Wireless CS361N with Noise-Canceling
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Poly - Plantronics .Audio 320
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Poly - Plantronics .Audio 330
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Poly - Plantronics .Audio 350
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Poly - Plantronics .Audio 360
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Poly - Plantronics .Audio 450
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Poly - Plantronics .Audio 370
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Poly - Plantronics .Audio 500 USB
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Poly - Plantronics .Audio 510 USB
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