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Sennheiser Dual-channel, stereo IEM transmitter. Frequency range Aw (516 / 558 MHz), SR2050XPIEM-Aw | Affinitech Inc.
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Sennheiser EW-D ME3 SET (R1-6) Evolution Wireless Microphone System A 516 – 558 M 508711 Wireless Microphones Systems - Vistek Canada Product Detail
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