A20 Telephone Headset Amplifier

For advanced users, or those older telephone models, the A20 Omega is the perfect telephone amplifiers to choose. Aside from various configuration switch like pin-alignment and microphone-type selectors, A20 also offers online/mute status indicator and low battery audio indication.

• fixed-line telephone adaptor & amplifier for headset
• advanced model for the highest compatibility
• TM personal computer VoIP (such as Skype.) and fixedline PSTN or PABX telephone usage
• multiple configuration switch including microphone-type selection switch and advanced gain control
• mute and online status LED-indication
• low-battery audio indication (beeping sound)
• recording jack for recording conversation into any standard 3.5mm recording device
• automatic battery saving function for long lasting usage and AC/DC adaptor connection available