Serene Innovations UA-50 Business Phone Amplifier

Connect this telephone amplifier to your business phone for loud and clear calls that are amplified up to 170 times louder on your handset or headset.

Features:

• 45dB amplification


• Tone control


• Can be used with any headset with an RJ9 plug


• Works with virtually all business telephones


• Digital Sound Processing technology eliminates virtually all distortion echo effects and unwanted static


• Automatic Gain Control optimizes the sound level for superior listening comfort


• AC adapter included (9V battery optional)

[Click for user manual]"