The M-4 offers four (4) Channel, 12 Band microprocessor 100% digital sound enhancement, build-in microphone low- level –expansion and hearing protection. This unit has 40 dB of power, It can be programmed and reprogrammed to fine-tune to that which is suitable for your needs. With four pre-programmed memories, you can select the program fitted for the various environments you are in. The M-4 is designed to protect your ear from damaging noises while it also amplifies normal conversation and outdoor sounds. This product offers you value and affordability.
Warrant: 1 Year Service Warranty
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