Two channel infrared wireless receiver system
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TeachLogic IRV-6150 VoiceLink III Infrared Wireless Microphone Sapphire System
TeachLogic IRV-6150 VoiceLink III Sapphire System
IRV-6150
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TeachLogic IRV-6650 VoiceLink III Infrared Wireless Handheld Microphone Sapphire System
TeachLogic IRV-6150 VoiceLink III Handheld Microphone Sapphire System
IRV-6150
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TeachLogic IRV-6655 VoiceLink III Infrared Wireless Microphone Dual Sapphire System
TeachLogic IRV-6655 VoiceLink III Dual Sapphire System
IRV-6655