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Audio Processor with Wideband for Desk Phone

List price: $120.00


You save: $24.00 (20%)
Business customers get discounted pricing. Click here to find out more.
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Every order includes unlimited lifetime support from our Headset Helpdesk, saving you time and money.

Plantronics M22 Advanced Amplifier Supports VoIP and Wideband for Desk Phone

  • 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 to snap the cords apart without having to remove your headset or disconnect your call
  • 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 replaced the M12 and and has supports wideband (must be wideband end to end)
  • M22 buttons are light putty color (M12 buttons were purple) and M22 is light gray compared to the dark gray of the discontinued 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
  • 2 year Plantronics manufacturer’s warranty
BTP Model: PL-M22
MFR Part: 43596-64

Additional information

Weight 0.75 lbs
Dimensions 7.00 × 6.00 × 2.25 in


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User Guide PL-M22

Data Sheet PL-M22

Our Unmatched, Value-added Service Saves You Time, Money and Hassles:

  • Experienced consultants help you choose exactly the products you need, preventing unnecessary purchases
  • Free user setup help and training
  • 100% satisfaction guaranteed
  • Our team is committed to answering every call live during business hours
  • Same-day response to emails
  • Same-day shipping
  • Full warranty facilitated by BTP


For customer service, sales inquiries, and technical support, contact us Monday“Friday, 8-5 Pacific Time. (After-hours messages and emails are promptly returned the following business day.)

Call: 800-457-4287 or 425-649-9262

Email: info@btpi.com

Quick ship, standard stock.

This item is normally in stock. Orders received Monday-Friday by 2:30 pm Pacific Time, ship the same day.

If this product is out of stock or on backorder from the manufacturer, a BTP Customer Service Representative will notify you by phone or email with an estimated ship date. If your order includes some in stock products, you may request a partial shipment of in stock item(s) with the out of stock item(s) to follow when available.

BTP does everything possible to eliminate delays and unnecessary expense associated with returns. At least two members of the BTP team will review your order for accuracy. If we have any questions or concerns about your order, such as two incompatible products, we will contact you right away.


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