Poly Edge E400 IP Phone | PoE | Dual Display | Power Supply – 89B54AA#ABA

Product Overview

The Poly Edge E400 (89B54AA#ABA) is a feature-rich IP desk phone designed for the modern hybrid workplace. Featuring dual displays—a 3.5-inch primary color IPS LCD and a 2.4-inch secondary display—this phone provides 14-line keys supporting up to 32 lines, features, and contacts. Built for hot-desking and home office environments, the Edge E400 combines Poly HD Voice technology with advanced noise reduction for crystal-clear conversations.

The Edge E400 delivers enterprise-quality audio with Poly NoiseBlockAI and Acoustic Fence technologies that eliminate background noise and distractions. Full-duplex audio ensures natural conversations without interruptions, while the bass-frequency enhancing speaker design provides rich, lifelike voice quality across handset, speakerphone, and headset audio paths.

This PoE-enabled phone includes a power supply for flexible deployment options. Connectivity features include dual Gigabit Ethernet ports, USB Type-C for headsets and expansion modules, NFC support, and RJ9 headset compatibility. Accessibility features including text-to-speech, color blindness adjustments, and larger font settings ensure functional equality for all users.

Who Should Use This Product?

Hybrid Office Workers

Ideal for professionals splitting time between office and home who need a reliable desk phone with hot-desking support and easy mobile phone pairing.

Multi-Line Professionals

Perfect for receptionists, administrative staff, and customer-facing roles who manage multiple lines and need quick access to contacts and BLF indicators.

Shared Workspace Environments

Built for hot-desking scenarios in coworking spaces, shared offices, and drop-in desks where easy user switching is essential.

Why Choose This Product

The Poly Edge E400 transforms desk-based communication with dual displays that put calls, contacts, and features at your fingertips. The 14-line key configuration with pagination support handles busy multi-line environments while the secondary display provides instant access to speed dials and presence indicators. Poly's signature audio technologies—HD Voice, NoiseBlockAI, and Acoustic Fence—ensure every conversation sounds professional regardless of your environment.

For IT teams, the Edge E400 simplifies deployment and management through Poly Lens cloud management, PoE support, and plug-and-play installation. The phone's SIP compatibility works with major UC platforms including Zoom and Metaswitch, while security features like HTTPS, SRTP, and AES encryption protect communications.

Will This Work for Me?

Works With

  • Windows, macOS (via Poly Computer Audio Connector)
  • Zoom, Metaswitch, and SIP-based UC platforms

Requirements

  • PoE switch (802.3af Class 4) or included power supply
  • Gigabit Ethernet connection
  • SIP account credentials from PBX administrator

Software

  • Poly Lens (optional, for device management and firmware updates)

Note

This SKU includes power supply. For Wi-Fi connectivity, see Edge E450 variant.

What's in the Box

  • Poly Edge E400 IP Phone
  • Handset
  • Handset cord
  • Desk stand
  • Network (LAN) cable CAT-5E
  • Power supply (5V/3A)
  • Setup sheet

Technical Specifications

Primary Attributes

Certifications: Zoom
Display Resolution: 320x240
Display Size: 3.5"
Ethernet Ports: 2
Ethernet Speed: 10/100/1000 Mbps
Hard Line Keys: 14
Headset Port: rj9, usb-c
Phone Connectivity: IP / SIP
PoE Support: 802.3af (PoE)
Power Options: PoE or AC Adapter
Programmable Keys: 44
SIP Lines: 44
USB-A Ports:
USB-C Ports: 1
Video Capable: No
WiFi: None
WiFi Standard: N/A

Edge E Series Models (12)

View Poly Edge E320 IP Phone | 8-Line | Bluetooth | PoE – 82M88AA
Poly Edge E320 IP Phone | 8-Line | Bluetooth | PoE – 82M88AA
Poly logo

Edge E320 PoE

SKU: 82M88AA
Condition: New
Stock: 250+
$170.09
$272.95
Save $102.86
(38% off)
View Poly Edge E450 IP Phone | 8-Line | Dual Display | Bluetooth | Wi-Fi | PoE – 82M90AA
Poly Edge E450 IP Phone | 8-Line | Dual Display | Bluetooth | Wi-Fi | PoE – 82M90AA
Poly logo

Edge E450 PoE

SKU: 82M90AA
Condition: New
Stock: 250+
$243.61
$390.95
Save $147.34
(38% off)
View Poly Edge E320 IP Phone | PoE | Bluetooth | Power Supply – 89B52AA#ABA
Poly Edge E320 IP Phone | PoE | Bluetooth | Power Supply – 89B52AA#ABA
Poly logo

Edge E320 with Power

SKU: 89B52AA#ABA
Condition: New
Stock: 250+
$180.05
$288.95
Save $108.90
(38% off)
View Poly Edge E220 IP Phone | 4-Line | Bluetooth | PoE – 82M87AA
Poly Edge E220 IP Phone | 4-Line | Bluetooth | PoE – 82M87AA
Poly logo

Edge E220 PoE

SKU: 82M87AA
Condition: New
Stock: 250+
$114.00
$182.95
Save $68.95
(38% off)
View Poly Edge E550 IP Phone | PoE | Touchscreen | Power Supply – 89B57AA#ABA
Poly Edge E550 IP Phone | PoE | Touchscreen | Power Supply – 89B57AA#ABA
Poly logo

Edge E550 with Power

SKU: 89B57AA#ABA
Condition: New
Stock: 250+
$274.14
$439.95
Save $165.81
(38% off)
View Poly Edge E450 IP Phone | PoE | Bluetooth | Wi-Fi | Power Supply – 89B55AA#ABA
Poly Edge E450 IP Phone | PoE | Bluetooth | Wi-Fi | Power Supply – 89B55AA#ABA
Poly logo

Edge E450 with Power

SKU: 89B55AA#ABA
Condition: New
Stock: 250+
$254.21
$407.95
Save $153.74
(38% off)
View Poly Edge E350 IP Phone | 8-Line | Bluetooth | Wi-Fi | PoE – 82M89AA
Poly Edge E350 IP Phone | 8-Line | Bluetooth | Wi-Fi | PoE – 82M89AA
Poly logo

Edge E350 PoE

SKU: 82M89AA
Condition: New
Stock: 250+
$183.79
$294.95
Save $111.16
(38% off)
View Poly Edge E400 IP Phone | 8-Line | Dual Display | PoE – 82M93AA
Poly Edge E400 IP Phone | 8-Line | Dual Display | PoE – 82M93AA
Poly logo

Edge E400 PoE

SKU: 82M93AA
Condition: New
Stock: 138
$190.65
$305.95
Save $115.30
(38% off)
View Poly Edge E220 IP Phone | PoE | Bluetooth | Power Supply – 89B50AA#ABA
Poly Edge E220 IP Phone | PoE | Bluetooth | Power Supply – 89B50AA#ABA
Poly logo

Edge E220 with Power

SKU: 89B50AA#ABA
Condition: New
Stock: 250+
$123.98
$198.95
Save $74.97
(38% off)
View Poly Edge E550 IP Phone | 10-Line | Touchscreen | Bluetooth | Wi-Fi | PoE – 82M91AA
Poly Edge E550 IP Phone | 10-Line | Touchscreen | Bluetooth | Wi-Fi | PoE – 82M91AA
Poly logo

Edge E550 PoE

SKU: 82M91AA
Condition: New
Stock: 250+
$263.56
$422.95
Save $159.39
(38% off)
View Poly Edge E300 IP Phone | PoE | Power Supply – 89B51AA#ABA
Poly Edge E300 IP Phone | PoE | Power Supply – 89B51AA#ABA
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Edge E300 with Power

SKU: 89B51AA#ABA
Condition: New
Stock: 233
$165.10
$264.95
Save $99.85
(38% off)
View Poly Edge E100 IP Phone | PoE | Power Supply – 89B49AA#ABA
Poly Edge E100 IP Phone | PoE | Power Supply – 89B49AA#ABA
Poly logo

Edge E100 with Power

SKU: 89B49AA#ABA
Condition: New
Stock: 250+
$117.11
$187.95
Save $70.84
(38% off)