Sena Over-the-Head Earmuff Cradle

Coverts a helmet headset to the over-the-head style headset by attaching the main communicator module to the earmuff cradle. Works with 20S, 20S EVO, 30K and 50S communicator modules. Headband, earmuff bracket and microphone are the same as the Sena Cast series headset. Microphone is detachable. Sena HD audio speakers for audio. Headset noise reduction rating: 28 dB. Sound level conversation rating: 33 dB. Signal-to-noise ratio: 34 dB. Sold each.