Sennheiser XSW 2-ME3-A Wireless Headset Microphone Oboe AR2 Receiver:

AR2 Receiver:

70 dB (Min gain) 75 dB (Max gain)

or run standalone

FX2 does classic delays and reverbs

Sennheiser XSW 2-ME3-A Wireless Headset Microphone Oboe AR2 Receiver:Raise Your Voice. High flexibility for those willing to go a stepfurther. XS WIRELESS 2 grows with your demands by offering an intuitive LCD display for more manual options and 12 compatible channels in a stable UHF band, withstanding tougher live stage conditions. The XS WIRELESS 2 VOCAL SET is an easy to use all in one wireless system for singers and presenters featuring Sennheisers renowned evolution microphone capsules, to perform under pressure