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Sonic Alert PAMP-40 Telephone Amplifier with Booster Button at $19.99,
automatically detects the best frequency bands that makes it compatible with 99 percent of modern telephones. Features a sleek modern design with simple connection that boosts volume and tone control, and is light and portable.
Features:
- Receiving volume control up to 30dB and up to 40 dB gain with "boost" volume button
- Receiving tone control: Bass -10dB max, Treble -10dB max
- Automatically switches ON/OFF - voice detection
- Light and portable
- Automatic detection of best frequencies band makes it compatible to 99 percent of modern telephones
- Sleek modern design
- Simple connection
- 1 year manufacturer's warranty
- User Manual
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