*PLEASE NOTE THIS PRODUCT ONLY AMPLIFIES HANDSETS AND HEADSETS. IT WILL NOT AMPLIFY THE SPEAKER PHONE FUNCTION*
The Serene Innovations UA50 business telephone amplifier can be used to amplify any business phone. Connect the Serene UA50 telephone amplifier to your business phone for loud and clear calls that are amplified up to 170 times louder on your handset or headset. The Serene UA50 amplifier utilizes High Definition Sound (HDS) Technology which eliminates virtually all distortion, echo effects, and unwanted static.