- All-in-One: The A20 under the telephone accessory deck hosts Plantronics top-of-the-line amplifier, cord management, on-line indicator and headset stand
- Easy Adjustment : Audible and visual cues simplify the adjustment of incoming and outgoing volume, tone control and mute
- Improved Sound Quality: Unique SoundGuard® Plus and Call Clarity™ technologies for superior sound
- Easy Installation: Sets up in minutes with plug-and-play automatic configuration and seamless telephone integration
- Variable placement headset stand
- Adjustable accessory deck
- Connects to single- or multi-line corded phone
- Six foot corded on-line indicator
- Headset stand
- Quick Disconnect coil cable connects to all Plantronics H-series headsets
- Headset not included
A20
This all-in-one solution delivers an under-the-telephone accessory deck with a top-of-the-line A20 amplifier, cord manager, on-line indicator and headset stand. Also available with a headset (S20 Telephone System).
| Features | A20 | M12 |  |
| MSLP | $150 | $120 |
| On-line Indicator | Standard | $25 |
| AC/DC Power | Standard | $10 |
| Headset Stand | Standard | N/A |
| Sub Total | $150 | $155 |
| Auto-Configuration | Standard | N/A |
| Cable Management | Standard | N/A |
| Transmit Volume Control | Standard | N/A |
| Auto Lifter | Optional | N/A |
