| Plantronics A20 Accessory Deck Adapter/Amplifier The Plantronics Plantronics A20 Accessory Deck Adapter/Amplifier has been discontinued.Plantronics has discontinued this model, and replaced it with the M12. Please call 800-641-6416 with questions about alternatives to the Plantronics A20 Accessory Deck Adapter/Amplifier.  - Adjustable accessory deck
- Audible and visual cues for easy adjustment
- Auto configuration
- Connects to most single or multi-line phones
- Cord management
- Mute Key
- Quick disconnect headset cord allows you to walk away from the phone without removing the headset
- Receive and transmit volume control
- Six foot corded on-line indicator
- Tone control
- Variable placement headset stand
Documents and DownloadsA20: Plantronics under the telephone Modular Adapter/Amplifier and accessory stand. Parts and Accessories Plantronics 45669-02 220V Euro Power Supply CA10 CS10 A20 More Info | 9.95 | Add to cart
Plantronics 45669-01 AC Adapter for CA10 CS10 More Info | 9.95 | Add to cart
Plantronics 40710-01 Base Training Station w/AC Adapter More Info | 119.96 | Add to cart
Plantronics 40976-01 Coil Cable QD to Modular with QD Locks for M22, M12 More Info | 14.95 | Add to cart
Plantronics 61866-01 Cable 2.5mm to Quick Disconnect More Info | 9.95 | Add to cart
Plantronics 65218-01 CORD, PHONE TO AMP CA10 CS10 A20 S20 S12 More Info | 4.95 | Add to cart
Plantronics 43299-01 Cushion Ring Set for Duoset More Info | 4.95 | Add to cart
Plantronics 45651-01 Earloop for Convertible Headsets Duoset CT12 LKA10 More Info | 9.95 | Add to cart
Plantronics 43298-01 Adjustable Headband for S12, H141, H141N & CT12 Headsets More Info | 14.95 | Add to cart
Plantronics 42157-01 Neck Strap for CA10 CS10 Remote Unit More Info | 9.99 | Add to cart
Plantronics 46657-01 ON-LINE-INDICATOR (180 degree plug), A20, S20 More Info | 24.95 | Add to cart
Plantronics 65116-01 On Line Indicator OLI for Wireless Headsets More Info | 29.95 | Add to cart
Plantronics 45650-01 Pivot Ball and Ring for Duoset CT12 More Info | 4.95 | Add to cart
Plantronics 46924-01 AC Adapter for CT10 More Info | 9.95 | Add to cart
Plantronics 47249-02 AC Adapter APLA 220V US Plug A20 More Info | 9.95 | Add to cart
Plantronics 40702-01 Lightweight QD to Modular Cable for M22, M12 A20 More Info | 14.95 | Add to cart
Plantronics 40974-01 Telephone Connection Cable for M22, M12 More Info | 4.95 | Add to cart
Plantronics 44877-02 MX10 Audio Device Cable More Info | 9.95 | Add to cart
Plantronics 40711-01 Lightweight QD to QD Coil Cable for M22, M12 A20 More Info | 19.95 | Add to cart
Plantronics 45588-01 Modular Lock (Package of 25) for M22, M12 More Info | 39.95 | Add to cart
Plantronics 26716-01 M22, M12 Amplifier Cable / Cisco IP Phone Cable More Info | 19.95 | Add to cart
Plantronics 26718-01 Stub Cable, Telephone To Adapter More Info | 3.95 | Add to cart
Plantronics HL2 Handset Lifter for A20/S20 Base More Info | 79.95 | Add to cart |