Sennheiser Momentum 3 Wireless Noise Cancelling Headphones User Manual

1. Introduction

The Sennheiser Momentum 3 Wireless Noise Cancelling Headphones are designed to provide a superior audio experience with advanced features such as active noise cancellation, transparent hearing, and smart pause functionality. This manual outlines the steps for setup, operation, maintenance, and troubleshooting to ensure optimal performance and longevity of your device.

Image: Sennheiser Momentum 3 Wireless Headphones in black, showcasing their sleek design.

2. What's in the Box

Upon unboxing your Sennheiser Momentum 3 Wireless Headphones, verify that all components are present:

• MOMENTUM 3 headphone
• Carry case
• USB-C charging cable
• USB-C to A adapter
• Analog cable

Image: The Sennheiser Momentum 3 headphones neatly folded inside their protective carry case, alongside the included USB-C charging cable, USB-C to A adapter, and analog cable.

3. Product Overview

3.1 Headphone Components

Familiarize yourself with the main components and controls of your Momentum 3 Wireless headphones.

Image: Close-up of the right earcup of the Sennheiser Momentum 3 headphones, showing the control buttons and ports.

3.2 Key Features

• Active Noise Cancellation: Reduces ambient noise for an immersive listening experience.
• Transparent Hearing: Allows you to hear your surroundings without removing the headphones.
• Auto On/Off: Automatically powers on when unfolded and off when folded.
• Smart Pause: Pauses audio when headphones are removed and resumes when put back on.
• Bluetooth 5.0: Ensures stable and efficient wireless connectivity.
• Three-Button Interface: Provides intuitive control over music, calls, and voice assistants.

4. Setup

4.1 Charging the Headphones

Before first use, fully charge the headphones. Connect the USB-C charging cable to the headphone's USB-C port and the other end to a power source (e.g., computer USB port or USB wall adapter). The LED indicator will show charging status.

4.2 Powering On/Off

The headphones feature an automatic on/off function. Simply unfold the earcups to power them on. Fold them to power off and conserve battery.

4.3 Bluetooth Pairing

1. Ensure the headphones are powered on.
2. Press and hold the multi-function button for 4 seconds until the LED flashes blue and red, indicating pairing mode.
3. On your device (smartphone, tablet, laptop), enable Bluetooth and search for available devices.
4. Select "MOMENTUM 3 Wireless" from the list.
5. Once paired, the LED will flash blue.

The headphones support automatic pairing mode on first activation, simplifying the initial setup process.

5. Operating Instructions

5.1 Basic Controls

The three-button interface on the right earcup allows for easy control:

• Center Button: Play/Pause music, Answer/End calls.
• Top Button: Volume Up, Next Track (double press).
• Bottom Button: Volume Down, Previous Track (double press).

5.2 Active Noise Cancellation (ANC) and Transparent Hearing

Toggle between ANC and Transparent Hearing modes using the dedicated button on the earcup. ANC reduces external noise, while Transparent Hearing allows you to hear your surroundings without removing the headphones.

5.3 Smart Pause Functionality

The headphones automatically pause audio playback when removed from your head and resume when put back on. This feature ensures you never miss a beat.

5.4 Voice Assistant Integration

The Momentum 3 Wireless headphones support voice assistants like Alexa. Activate your preferred voice assistant through the dedicated button or by voice command, depending on your device's settings.

6. Maintenance

6.1 Cleaning

Regularly clean the ear pads and headband with a soft, dry cloth. Avoid using harsh chemicals or abrasive materials. For deeper cleaning, lightly dampen a cloth with water and mild soap, then wipe gently. Ensure the headphones are completely dry before use.

6.2 Storage

When not in use, store the headphones in their provided carry case to protect them from dust, scratches, and impacts. The folding design allows for compact storage.

Image: The Sennheiser Momentum 3 headphones folded into a compact position, ready for storage in their case.

6.3 Battery Care

To prolong battery life, avoid fully discharging the headphones frequently. Charge them regularly, even if not in constant use. Store in a cool, dry place away from extreme temperatures.

7. Troubleshooting

If you encounter issues with your Sennheiser Momentum 3 Wireless Headphones, refer to the following common problems and solutions:

For further assistance, refer to the official Sennheiser support resources.

8. Specifications

Detailed technical specifications for the Sennheiser Momentum 3 Wireless Headphones:

• Model Number: M3AEBTXL
• Brand: Sennheiser
• Color: Black
• Ear Placement: Over Ear
• Form Factor: On Ear
• Impedance: 470 ohm
• Connectivity Technology: Bluetooth, Wireless
• Bluetooth Version: 5.0
• Noise Control: Active Noise Cancellation, Transparency Mode
• Battery Average Life: 17 hours
• Battery Charge Time: 3 hours
• Frequency Range: 6Hz - 22kHz
• Audio Driver Type: Dynamic Driver
• Enclosure Material: Leather, Steel
• Item Weight: 10.75 ounces
• UPC: 615104316911

9. Warranty Information

The Sennheiser Momentum 3 Wireless Headphones come with a 2-year manufacturer's warranty. This warranty covers defects in materials and workmanship under normal use. Please retain your proof of purchase for warranty claims. For specific terms and conditions, refer to the warranty documentation included with your product or visit the official Sennheiser website.

10. Support

For additional support, frequently asked questions, or to download the Sennheiser Smart Control App, please visit the official Sennheiser website or contact their customer service. The Smart Control App allows for personalized sound settings, firmware updates, and management of various headphone features.

Sennheiser Official Store: Visit the Sennheiser Store on Amazon

User Manual (PDF): Download PDF Manual