Sennheiser B 30 shure Max SPL: 135 dB

Max SPL: 135 dB

There was always something that I found unique about the feel and tonal characteristics of the RE-150 due in part to its JFET based design

giving you a subtle 6dB boost from 300 Hz to 1 kHz to help you cut through a bit more

The WA-47jr utilizes a custom k47 style capsule reproduction

the latter supplies that famous “cut through the mix” direct piezo sound

Sennheiser B 30 shure Max SPL: 135 dBSennheiser B 30. The BA 30 from Sennheiser is a rechargeable battery pack for the evolution wireless SK D1 or AVX Bodypack Transmitter (sold separately). It can be used to replace the two AA size batteries that power the transmitter unit. The BA 30 uses a lithium ion 3. 7V rechargeable battery.