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Sennheiser Single Channel IEM System: (1) SR 2000XP IEM single channel stereo IEM transmitter; (1) EK 2000 IEM stereo IEM receiver with IE4 earbuds. Frequency range Bw (626 / 698 MHz), 2000IEM1-B | Affinitech Inc.
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Four Bodypack Receiver Wireless In Ear Monitor System Professional Stage Monitoring For Ek 2000 Iem One Transmitter In Earphone - Microphones - AliExpress
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