The Vista M22 amplifier brings superior sound-quality, acoustic protection and compatibility with those telephones that do not allow direct connection of headsets. Manufacture Discontinued 10/24 – Limited Stock! Being replaced by MDA524 QD Compatible with virtually all single or multi-line professional desk phones Separate controls enable independent adjustment of incoming and outgoing volume Clearline Audio technology includes startle protection, incoming call leveling, echo control, incoming noise reduction and background noise reduction Receive and transmit bandwidth supports TIA-920 voice bandwidth (150Hz to 6800Hz, up from 300Hz to 3400Hz with traditional telephony) Keep incoming sounds at a consistent listening level: fax tones and loud calls will be reduced to your chosen preset incoming audio level Quick disconnect between the headset and this amplifier allows you easily disconnect your headset without having to remove your headset or place your call on hold Ergonomically designed buttons and dials – rotary volume control, headset/handset switch, locking mute button Echo management feature reduces echo on VoIP telephone systems Utilizes wideband technology for phone systems that are wideband enabled If your phone is not wideband the M22 amplifier will still sound great M22 buttons are light putty color, M12 buttons were purple M22 is light gray compared to the dark gray of the M12 Backwards compatible with all phones the M12 was compatible with, and works with traditional phone lines as well as wideband for “future proofing” Comes with modular pigtail cord (in back) and 10 foot modular coil cord (front) that has Plantronics Quick Disconnect (QD) for connecting to Plantronics headset tops If you would like to use an M22 on a Cisco 7900 phone, you will need to plug into the handset port M22 replaced the M12 and and has supports wideband 2 year manufacture warranty BTP Model: PL-M22MFR Part: 43596-64, 85T20AA#AC3
