Part Description: FOR 20S, 20S EVO, 30K, 50S. Convert a helmet headset to an over-the-head headset by attaching the main module of a 20S, 20S EVO, 30K or 50S to the earmuff cradle.
Detachable microphone.
Uses HD speakers for audio.
Noise Reduction Rating: Over-the-Head: 28 dB.
Sound Level Conversion Rating: Over-the-Head: 33 dB.
Signal-to-Noise Ratio: Over-the-Head: 34 dB.
