- Low Cut (NH) - for controlling the amount of low bassy tones
- High Cut (NL) - for shaping high frequencies and reduction of feedback
- Gain (G) - determines the power of the hearing aid prior to the adjustment through your volume control
Standard M-T-O switch (microphone-telecoil-off)Audio input, compatible with commonly used FM systemsVolume control wheelTelecoilUses #675 batteryAvailable colors -- beige
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