Headset noise reduction rating: 28 dB. Sound level conversation rating: 33 dB.

• Uses the same durable headband and earmuff bracket as the Cast
• Uses the same microphone arrow design as the Cast
• Uses HD speakers for audio
• Noise Reduction Rating: Over-the-Head: 28 dB
• Detachable microphone
• Sound Level Conversion Rating: Over-the-Head: 33 dB
• Signal-to-Noise Ratio: Over-the-Head: 34 dB
• 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