![Amazon.com: Sennheiser AVX Digital Wireless Microphone System, Set with Rechargeable Battery Pack and Bodypack Transmitter and Rechargeable Battery Pack with Camera Plug-On Wireless Receiver : Musical Instruments Amazon.com: Sennheiser AVX Digital Wireless Microphone System, Set with Rechargeable Battery Pack and Bodypack Transmitter and Rechargeable Battery Pack with Camera Plug-On Wireless Receiver : Musical Instruments](https://m.media-amazon.com/images/I/51KBjZG8AhL._AC_UF894,1000_QL80_.jpg)
Amazon.com: Sennheiser AVX Digital Wireless Microphone System, Set with Rechargeable Battery Pack and Bodypack Transmitter and Rechargeable Battery Pack with Camera Plug-On Wireless Receiver : Musical Instruments
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Amazon.com: Sennheiser AVX Digital Wireless Microphone System - ME2 Lavalier Set,Black : Musical Instruments
![Sennheiser Battery power supply, powers one 48 volt phantom powered microphone. Battery life approximately 20 hours using a 9 volt alkaline battery. Battery test, attenuation (0, -10, -20 dB) and low frequency rolloff (20, 80, 140 Hz) controls (19.0 Sennheiser Battery power supply, powers one 48 volt phantom powered microphone. Battery life approximately 20 hours using a 9 volt alkaline battery. Battery test, attenuation (0, -10, -20 dB) and low frequency rolloff (20, 80, 140 Hz) controls (19.0](https://cdn11.bigcommerce.com/s-z5jig/images/stencil/1280x1280/products/4453/31157/MZA14-P48U__77084.1541609416.jpg?c=2?imbypass=on)
Sennheiser Battery power supply, powers one 48 volt phantom powered microphone. Battery life approximately 20 hours using a 9 volt alkaline battery. Battery test, attenuation (0, -10, -20 dB) and low frequency rolloff (20, 80, 140 Hz) controls (19.0
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