1. Introduction
The Sennheiser ACCENTUM True Wireless Earbuds deliver an exceptional audio experience with crystal-clear sound, advanced Hybrid Active Noise Cancellation (ANC), and an ergonomic design for comfortable, all-day wear. This manual provides comprehensive instructions to help you get the most out of your new earbuds, from initial setup to advanced features and maintenance.
1.1. Package Contents
- ACCENTUM earbuds
- Charging case
- Charging cable (USB-C)
- Ear adapter sets (various sizes)
Figure 1.1: Sennheiser ACCENTUM True Wireless Earbuds and Charging Case.
2. Setup
2.1. Initial Charging
Before first use, fully charge the earbuds and the charging case. Place the earbuds into the charging case and connect the USB-C cable to the case and a power source. The LED indicator on the case will show the charging status.
2.2. Pairing with Your Device
- Open the charging case. The earbuds will automatically enter pairing mode.
- On your device (smartphone, tablet, etc.), go to Bluetooth settings.
- Select "Sennheiser ACCENTUM TW" from the list of available devices.
- Confirm pairing if prompted.
The earbuds support Bluetooth 5.3 for stable and efficient connectivity, including multipoint connection for seamless switching between two paired devices.
2.3. Sennheiser Smart Control App
For a personalized audio experience and access to advanced features, download the Sennheiser Smart Control app from your device's app store. The app allows you to:
- Customize sound with an equalizer.
- Adjust Hybrid ANC and Transparency Mode levels.
- Configure touch controls.
- Receive firmware updates.
Figure 2.1: Earbuds in charging cases, ready for use.
3. Operating Instructions
3.1. Wearing the Earbuds
The ACCENTUM earbuds are designed for ergonomic comfort and a secure fit. Choose the ear adapter size that provides the best seal for optimal sound quality and noise cancellation.
Figure 3.1: Ergonomic design for a tailored fit.
3.2. Touch Controls
The earbuds feature intuitive touch controls on each earbud. Default functions include:
- Single Tap: Play/Pause music, Answer/End call.
- Double Tap: Skip track forward, Reject call.
- Triple Tap: Skip track backward.
- Tap and Hold: Activate voice assistant, Toggle ANC/Transparency Mode.
These controls can be customized via the Sennheiser Smart Control app.
3.3. Hybrid Active Noise Cancellation (ANC) and Transparency Mode
The Hybrid ANC feature effectively blocks out ambient noise, allowing for immersive listening. Transparency Mode allows you to hear your surroundings without removing the earbuds, enhancing situational awareness. Switch between modes using the touch controls or the Smart Control app.
Figure 3.2: Enjoying music with ANC enabled.
3.4. Sound Quality and Battery Life
Experience Sennheiser's signature sound quality, enhanced by TrueResponse technology, delivering deep bass and crystal-clear highs. The earbuds offer up to 8 hours of playtime on a single charge, with an additional 20 hours provided by the charging case, totaling 28 hours of battery life. The charging case supports both USB-C and Qi wireless charging.
Figure 3.3: Immersive sound experience.
4. Maintenance
4.1. Cleaning the Earbuds and Case
Regular cleaning ensures optimal performance and hygiene:
- Gently wipe the earbuds and charging case with a soft, dry, lint-free cloth.
- Remove ear adapters and clean them with mild soap and water, then dry thoroughly before reattaching.
- Use a dry cotton swab to carefully clean the charging contacts on both the earbuds and inside the case.
- Avoid using harsh chemicals or abrasive materials.
4.2. Storage
When not in use, store the earbuds in their charging case to protect them and keep them charged. Store the case in a cool, dry place away from direct sunlight and extreme temperatures.
5. Troubleshooting
If you encounter issues with your Sennheiser ACCENTUM earbuds, refer to the following common solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Earbuds not pairing | Not in pairing mode, device Bluetooth off | Ensure case is open and earbuds are in; check device Bluetooth settings. |
| No sound or low volume | Earbuds not seated correctly, volume too low, dirty ear adapters | Adjust earbuds, increase device volume, clean ear adapters. |
| Charging issues | Dirty charging contacts, faulty cable/power source | Clean charging contacts, try a different USB-C cable or power adapter. Ensure earbuds are properly seated in the case. |
| ANC not effective | Poor earbud fit, ANC disabled | Try different ear adapter sizes for a better seal; ensure ANC is enabled via touch control or app. |
| One earbud not working | Connection issue, low battery | Place both earbuds in the case, close, and reopen. Ensure both are charged. Perform a factory reset if necessary. |
5.1. Factory Reset
If issues persist, a factory reset may resolve them. Refer to the Sennheiser Smart Control app or the official Sennheiser support website for specific instructions on performing a factory reset for your ACCENTUM earbuds.
6. Specifications
| Feature | Detail |
|---|---|
| Model Name | ACCENTUM True Wireless |
| Model Number | 700263 |
| Connectivity Technology | Wireless (Bluetooth 5.3) |
| Noise Control | Hybrid Active Noise Cancellation |
| Battery Life (Earbuds) | Up to 8 hours |
| Total Battery Life (with Case) | Up to 28 hours |
| Charging | USB-C, Qi Wireless Charging |
| Control Method | Touch |
| Ear Placement | In Ear |
| Material | Silicone (ear adapters) |
| Item Weight | 52 Grams (total) / 1.83 ounces |
| Product Dimensions | 1.93 x 2.05 x 1.14 inches |
| UPC | 810091271155 |
7. Warranty and Support
7.1. Manufacturer's Warranty
Sennheiser products are covered by a manufacturer's warranty against defects in materials and workmanship. The specific duration and terms of the warranty may vary by region. Please retain your proof of purchase for warranty claims.
7.2. Customer Support
For further assistance, technical support, or warranty inquiries, please visit the official Sennheiser support website or contact their customer service department. You can find contact information and FAQs at www.sennheiser.com/service-support.