TDI - 501

Headset Adjustable headband.
Single high quality speaker.
Leatherette padded ear cuff.
Flexible microphone boom.
Omni directional microphone.
Easy disconnect plug.
3 – 6 foot extension cord.
Modular connector (RJ11).
Convenient cloth carry bag.

TDI - 20 Headset / handset switch

Headset / handset selector switch.
Compact design.
No batteries needed.
Useful Mute button

TDI - 601 EarSet

No headband.
Single high quality speaker.
Acoustic foam ear cuff.
Flexible microphone boom.
Noise canceling microphone.
Easy disconnect plug.
3 – 6 foot extension cord.
Modular connector (RJ11)

TDI - 80 Amplifier

Stylish design.
Batteries or AC power.
Very low power consumption.
Single or Multi line phone compatibility.
Transmit and receive volume controls.
Bright Busy and Mute LED indicators

TDI - 701 Headset

Adjustable headband.
Single high quality speaker.
Leatherette padded ear cuff.
Flexible microphone boom.
Noise canceling microphone.
Easy disconnect plug.
3 – 6 foot extension cord.
2.5mm connector plug.