Compact, portable in-line amplification compatible with most home and office telephones. For corded telephones. Amplifies conversation by up to 40dB. Perfect for restaurants, call centers, offices, golf courses and noisy buildings!
- White HA40 In-Line Phone Amplifier
- One 9-volt battery
40 dB maximum amplification Volume control Tone control Works with digital and analog corded phones Boost button mutes microphone in the headset to eliminate background noise