- Full dynamic range HD speakers provide clear, balanced sound
- 4 frequency mods: universal, clear voice, high frequency boost, power boost
- Sound activated compression
- 20-23 dB NRR
- 200 hours of battery life - USB-C Rechargeable
Walker�s Firemax Behind the Neck muffs use full dynamic range HD speakers to deliver clear, balanced sound with frequency/low noise tuned clarity. Sound activated compression and dampening composite housing help prevent unwanted noise from getting through. Includes a 3.5mm audio jack for connecting to phone and other compatible devices.