For use with any Plantronic quick disconnect headset
Operates on 2 AA batteries (included) or AC adapter(not included)
Manual scroll volume control
Headset on/off switch (switches between headset and telephone handset)
Mute button
ClearLine Audio technology
Enhanced Features over M12
Wideband audio (totally compatible with existing systems and "wideband ready" to deliver superior audio on integrated wideband (VoIP) systems)
Protection from loud noises (delivers greater protection against sudden loud noises by quickly reducing them to comfortable levels)
Phone line noise reduction (filters incoming and outgoing phone line noises, such as high-frequency hissing, making conversations clear, less fatiguing and more comfortable)
Call volume equalizer (equalizes the level of all calls to the same comfortable, user-preferred listening level)
Echo management (eliminates echo problems introduced by latency inIP networks; so even if your new IP phones do notrequire an Amp your conversations may still benefit from the use of one)
Black
ADDITIONAL/REPLACEMENT PARTS:
PL-ADAPTER (PL-26503-01): AC adapter
PL-40696-01: amplifier security device (attaches amplifier to desk)