Connect this amplifier to your business phone for loud and clear calls that are amplified up to 170 times louder on your handset or headset. Includes the HW520 EncorePro Noise-Canceling Headset and RJ9 adapter.
Features:
- Amplifies incoming voices up to 45dB on your handset or headset
- Can be used with any headset with an RJ9 plug
- Patented technology enables the amplifier to work with virtually all business telephones
- Digital Sound Processing technology eliminates virtually all distortion, echo effects and unwanted static
- Digital Tone Enhancement allows you to boost and enrich the speech frequencies you can't hear well
- Automatic Gain Control optimizes the sound level for superior listening comfort
- Automatic Volume Control
- AC adapter included (9V battery optional)
