CART MENU Open menu Mallory Headsets Inc. Toggle search bar What can we help you find? Submit search CART Bulk Earbuds As Low As $0.72 ea! Conference Phones DECT Wireless Headsets JPL Telecom Poly/Plantronics Wired For Desk Phone Headsets REQUIRED LOWER CABLES Wireless USB/UC/VoIP/LYNC Spare Parts Wired Wireless Addasound Wired For Desk Phone Headsets REQUIRED LOWER CABLES Wireless USB/UC/VoIP/LYNC Spare Parts Wired Jabra/Vxi Wired For Desk Phone Headsets REQUIRED LOWER CABLES Wireless USB/UC/VoIP/LYNC Spare Parts Sennheiser Wired For Desk Phone Headsets REQUIRED LOWER CABLES Wireless USB/UC/VoIP/LYNC Spare Parts Blue Tiger Bluetooth VoIP Equipment Services Yealink Polycom Computer Headsets(UC/Teams) Education Call For Volume Pricing 800-701-2289 Nav Menu 2 Nav Menu 3 Nav Menu 4 Nav Menu 5 Nav Menu 6 Nav Menu 7 Nav Menu 8 Home > Poly/Plantronics > Spare Parts > Plantronics M22 Amplifier Our Price: $99.00 Sale Price: $95.00 Savings: $4.00 Product Code: M22 Qty: Description Plantronics M22 amplifier brings superior sound-quality and acoustic protection to your telephone. As well as providing compatibility with those telephones that do not allow direct connection of headsets it offers a range of additional features to enhance the sound quality of your phone conversations. Features Plantronics SoundGuard Plus™ technology ensures loud tones are quickly reduced to more comfortable levels and ensures that the normal, human voice remains natural and unchanged, for face-to-face clarity of communication.Plantronics Call Clarity™ technology uses electronic signal processing to reduce phone noise and maintain constant volume levels, as set by the user. This ensures all conversations are held at a comfortable and consistent level, regardless of the loudness of the incoming call. Related Items Plantronics In-Line Mute Switch Plantronics 10 Ft Extension Cable QD to QD Small Fit Kit (CS540) Plantronics Ear Cushions For SupraPlus Our Price: $18.95 Our Price: $16.95 Our Price: $12.90 Our Price: $4.00 Plantronics MDA 220 USB Headset Switcher CS540 Replacement Battery Plantronics HL10 Lifter Savi On-Line Indicator For CS500 Series Our Price: $105.30 Our Price: $34.95 Our Price: $75.00 Our Price: $26.64 Share your knowledge of this product. Be the first to write a review »