Introduction
This manual provides comprehensive instructions for the EPOS Expand 40 Teams Wireless Portable Bluetooth Speakerphone. It covers essential information regarding setup, operation, maintenance, troubleshooting, and product specifications to ensure optimal performance and user experience.
Video: EPOS Expand 40 Overview. This video provides a general overview of the speakerphone's features and design.
What's in the Box
Upon unboxing your EPOS Expand 40, verify that all the following components are included:
- EPOS Bluetooth® speakerphone with integrated USB-C cable
- BTD 800 USB-C dongle
- USB-C to USB-A adapter
- Carry pouch
- Safety guide
- Quick guide
- Compliance sheet
- Global Teck Gold Support Plan information
Video: EPOS Expand 40 Unboxing. This video demonstrates the unboxing process and contents.
Setup
Initial Charging
Before first use, fully charge the speakerphone using the included USB-C cable. Connect the USB-C end to the speakerphone and the USB-A or USB-C end (with adapter if needed) to a power source. Allow at least 30 minutes for initial charging to ensure optimal battery life.
Video: Unbox and Set Up the EPOS Expand 40. This video guides you through the initial setup, including charging.
Connection Options
The EPOS Expand 40 offers multiple ways to connect to your devices:
- Via USB-C Cable: Simply plug the integrated USB-C cable from the speakerphone directly into your PC or device. The cable conveniently coils around the base of the speakerphone for storage.
- Via BTD 800 USB Bluetooth Dongle: For the most stable Bluetooth connection, use the included BTD 800 USB-C dongle. Plug the dongle into your PC or device. The speakerphone will automatically pair with the dongle when the Bluetooth button on the speakerphone is pressed. An included USB-C to USB-A adapter allows compatibility with various USB ports.
- Via Bluetooth (Direct): Press the Bluetooth button on the speakerphone to enter pairing mode. Search for "EPOS Expand 40" on your device's Bluetooth settings and select to connect.
- Via NFC: For quick pairing with NFC-enabled devices, press the NFC button on the speakerphone and tap your device to the NFC area.
Video: EPOS Expand 40 How to Connect. This video details the various connection methods for your speakerphone.

Image: The EPOS Expand 40 speakerphone shown with its USB-C dongle and USB-C to USB-A adapter, highlighting its versatile connectivity options.
Operating Instructions
Volume and Mute Controls
The EPOS Expand 40 features intuitive controls for managing your audio during calls and media playback:
- Adjust Volume: Use the '+' and '-' buttons on the speakerphone to increase or decrease the volume. LED indicators will show the current volume level.
- Mute Microphone: Press the microphone icon button to mute or unmute your microphone. The LED indicator will change to red when muted.
Video: EPOS Expand 40: How to Adjust Volume Controls. This video demonstrates how to use the volume and mute functions.

Image: A user interacting with the EPOS Expand 40 speakerphone during a meeting, demonstrating its ease of use.
Call Management
The speakerphone allows for seamless call management:
- Answer/End Call: Press the phone icon button to answer an incoming call or end an active call.
- Microsoft Teams Button: If you have the Teams-optimized variant (40T), a dedicated Teams button allows for quick access to Microsoft Teams functions.

Image: The EPOS Expand 40 speakerphone facilitating a discussion between two individuals, showcasing its use in collaborative environments.
Maintenance
To ensure the longevity and optimal performance of your EPOS Expand 40 speakerphone, follow these maintenance guidelines:
- Cleaning: Use a soft, dry, or slightly damp cloth to clean the exterior of the speakerphone. Avoid using harsh chemicals, solvents, or abrasive materials.
- Storage: When not in use, store the speakerphone in its provided carry pouch to protect it from dust and scratches.
- Battery Care: To maintain battery health, avoid fully discharging the battery frequently. Charge the device regularly, even if not in constant use.
- Environmental Conditions: Do not expose the speakerphone to extreme temperatures, direct sunlight, or high humidity. It is not waterproof.
Troubleshooting & FAQs
This section addresses common questions and issues you might encounter with your EPOS Expand 40.
Common Questions
- What is the difference between Expand 40, 40 Plus, and 40T?
- Expand 40: The base speakerphone model.
- Expand 40 Plus: Includes a USB dongle for enhanced Bluetooth connectivity.
- Expand 40T: Features a dedicated Microsoft Teams button, optimized for Teams meetings.
- What is the expected battery time?
The EPOS Expand 40 provides up to 18 hours of talk time on a full charge.
- Can multiple users share the same Expand 40?
Yes, the speakerphone supports a shared mode, allowing multiple users to utilize it.
- Can the Expand 40 be managed remotely?
Yes, it can be managed remotely using the EPOS Manager app.
- Which variant is best?
All variants are compatible with all platforms. Consider the 40T if your meetings are primarily Microsoft Teams-centric for dedicated functionality.
Video: FAQ about the EPOS Expand 40. This video addresses frequently asked questions about the product.
Specifications
| Feature | Detail |
|---|---|
| Model Name | Expand 40 |
| Mounting Type | Tabletop Mount |
| Speaker Type | Single Speaker |
| Connectivity Technology | Bluetooth |
| Power Source | Battery Powered (1 Product Specific battery included) |
| Item Weight | 12 Ounces |
| Product Dimensions | 3"D x 3"W x 6"H |
| Speaker Maximum Output Power | 20 Watts |
| Frequency Response | 100 Hz |
| Recommended Uses | For Computers |
| Manufacturer | EPOS - Sennheiser |
| UPC | 812289037215 |
Warranty and Support
Your EPOS Expand 40 Teams Wireless Portable Bluetooth Speakerphone comes with a Global Teck Gold Support Plan. This plan is designed to assist you with any device or platform-related issues you may encounter. For support, please refer to the contact information provided with your Global Teck Gold Support Plan documentation.
For general product information or further assistance, please visit the official EPOS website or contact their customer service.





