The Clarity HA40 Portable Telephone Handset Amplifier featuring Clarity® Power technology makes telephone conversations not only louder, but also clearer and easier to understand.
- Amplifies incoming sound up to 40dB
- Adjustable incoming volume control
- Adjustable tone control (600-2400Hz)
- Tone selector amplifies specific frequencies for optimum speech clarity
- Boost button allows for even more amplification and eliminates background noise and feedback by muting the microphone in the handset
- Connects easily between handset and telephone base - compatible with most home and office phones
- One-year manufacturer's warranty
NOTE: Not compatible with Trimline, Princess style or cordless phones where dial keypad is in handset
