EPOS EXPAND 40+ — Portable Bluetooth® Speakerphone with BTD 800 USB Dongle

Three beamforming mics, 18 hours of battery, Bluetooth or USB-C, and the BTD 800 dongle included — the EXPAND 40+ is the portable speakerphone for hybrid professionals who move between the home office, the huddle room, and the road without wanting to carry multiple devices. Up to 8 participants, full-duplex audio, optimized for Teams, Zoom, Webex, and Meet.

The EPOS EXPAND 40+ is a premium portable Bluetooth speakerphone designed for hybrid professionals who need instant, high-clarity conferencing across laptops, tablets, and mobile devices. With three beamforming microphones, advanced noise suppression, and industry-leading full-duplex performance, the EXPAND 40+ ensures natural, interruption-free conversations — even when multiple people speak at once. This “plus” model includes the EPOS BTD 800 USB Bluetooth dongle for enterprise-grade wireless stability, extended range, and plug-and-play UC compatibility.

Key Features

• Includes EPOS BTD 800 USB Bluetooth dongle for enhanced wireless performance

• Three beamforming microphones reduce echo, reverb, and background noise

• Full-duplex audio allows natural, simultaneous conversation

• Bluetooth or USB-C connectivity for flexible conferencing

• Up to 18 hours of talk time on a single charge

• Wireless range up to 25 m / 82 ft

• Optimized for Zoom, Teams, Webex, and Google Meet

• Compact, portable Scandinavian design

Technical Specifications

• Microphones: 3 x beamforming digital MEMS

• Speaker Response (Calls): 150 – 7,500 Hz

• Speaker Response (Music): 150 – 20,000 Hz

• Connectivity: Bluetooth, USB-C, BTD 800 dongle

• Wireless Range: Up to 25 m / 82 ft

• Battery Life: Up to 18 hours talk time

• Compatibility: Windows, macOS, iOS, Android, all major UC platforms

• Dimensions: 4.72" x 4.72" x 1.46"

• Weight: 0.75 lbs

Ideal Use Cases

• Hybrid workers needing reliable wireless conferencing

• Small meeting rooms (up to 8 participants)

• UC-optimized deployments (Zoom, Teams, Webex, Google Meet)

• Travel-ready audio for sales, consulting, and remote teams

• Clear, natural conversations in noisy or echo-prone environments

What's Included

• EPOS EXPAND 40+ Speakerphone

• EPOS BTD 800 USB Bluetooth Dongle

• USB-C cable

• USB-A adapter

• Quick Start Guide

Compliance & Warranty

• FCC certified

• Not TAA Compliant

• 2-Year EPOS Limited Warranty