Introduction
The ASUS ROG Cetra True Wireless SpeedNova Gaming Earbuds provide a lightweight and immersive audio experience. Designed for both gaming setups and on-the-go use, these earbuds offer versatile connectivity options including Bluetooth and 2.4 GHz modes. They feature high-resolution audio enhanced by Dirac Opteo™ technology and Bone-Conduction AI Microphones for clear communication. Adaptive Active Noise Cancellation (ANC) with Auto Mode ensures full immersion by adjusting to ambient noise levels.
Figure 1: ASUS ROG Cetra True Wireless SpeedNova Gaming Earbuds in use.
What's in the Box
- R55ES ROG CETRA TWS SPEEDNOVA Gaming Headphones
- 2.4 GHz USB-C and USB-C to USB-A adapter dongle
- Charging case and cable
- Ear tips (3 sizes)
- User document
Figure 2: Earbuds, charging case, and dongle.
Video 1: Unboxing and overview of the ASUS ROG Cetra True Wireless Gaming Headphones.
Setup
1. Charging
Before first use, fully charge the earbuds and the charging case. The charging case can be charged wirelessly or via a USB-C connection. Fast in-case charging provides up to an hour of use with just a 5-minute charge. A full charge provides up to 46 hours of battery life in Bluetooth mode (RGB off).
2. Ear Tip Selection
Select the ear tips that provide the most comfortable and secure fit for your ears. An optimal fit is crucial for sound quality and effective Active Noise Cancellation.
3. Connectivity
The earbuds support Dual-Mode Wireless Connectivity: Bluetooth and 2.4 GHz modes. For 2.4 GHz connection, insert the provided USB-C dongle into your device. Hybrid Multipoint allows simultaneous connection to two devices via 2.4 GHz and Bluetooth modes, ensuring you don't miss calls while gaming.
Figure 3: Proper earbud fit for comfort and sound.
Operating Instructions
1. Dual-Mode Wireless Connectivity
Switch between Bluetooth and 2.4 GHz modes for versatile use across various devices. Hybrid Multipoint enables connection to two devices simultaneously, for example, a gaming console via 2.4 GHz and a smartphone via Bluetooth.
Figure 4: Dual-Mode Wireless Connections.
2. Realistic Audio & Bone-Conduction AI Microphones
Experience high-resolution 24-bit/96kHz audio (in 2.4 GHz mode) with Dirac Opteo™ technology for detailed sound. Bone-Conduction AI Microphones isolate your voice for crystal-clear communication, minimizing background noise.
Figure 5: Realistic Audio.
Figure 6: Bone-Conduction AI Microphones.
3. Adaptive ANC with Auto Mode
The Adaptive ANC feature optimizes noise cancellation based on your in-ear fit and ear canal shape. Auto Mode automatically adjusts to ambient noise levels, providing optimal immersion in various environments.
Figure 7: Adaptive ANC.
Figure 8: Auto Mode adjusts to ambient noise.
4. Multi-Platform Compatibility
Bluetooth mode supports PC, Mac, iOS, Android, and Nintendo Switch. The 2.4 GHz SpeedNova dongle mode supports PC, Mac, Android, Nintendo Switch, PlayStation 4, and PlayStation 5.
5. Touch Controls
The earbuds feature intuitive touch controls for media playback, call management, and mode switching. Refer to the quick start guide for detailed touch gesture commands.
Maintenance
1. Cleaning
Regularly clean the earbuds and charging case with a soft, dry cloth. Ensure no moisture enters the charging ports or speaker grilles. Remove ear tips and clean them separately with mild soap and water if necessary, ensuring they are completely dry before reattaching.
2. Storage
Store the earbuds in their charging case when not in use to protect them and ensure they remain charged. Avoid exposing the earbuds or case to extreme temperatures, humidity, or direct sunlight.
Troubleshooting
- No Sound: Ensure earbuds are charged and properly paired. Check device volume and audio output settings.
- Connectivity Issues: Re-pair the earbuds with your device. Ensure the 2.4 GHz dongle is securely inserted if using that mode. Try restarting your device.
- Microphone Not Working: Check device privacy settings to ensure microphone access is granted to the earbuds. Ensure the microphone is not muted via touch controls.
- ANC Performance: Ensure ear tips provide a tight seal. Adjust ANC mode settings via the companion app if available.
- Charging Problems: Verify the charging cable and port are clean and undamaged. Ensure the charging case is powered.
Specifications
| Feature | Specification |
|---|---|
| Model Name | R55ES ROG CETRA TWS SPEEDNOVA/BLK |
| Connectivity Technology | Bluetooth, Wireless (2.4 GHz) |
| Noise Control | Adaptive Active Noise Cancellation |
| Microphones | Bone-Conduction AI Microphones |
| Audio Quality | High-resolution 24-bit/96kHz (2.4 GHz mode), Dirac Opteo™ technology |
| Battery Life | Up to 46 hours (Bluetooth mode, RGB off) |
| Charging Time | 5 minutes for 1 hour use (fast charging) |
| Control Method | Touch |
| Water Resistance Level | Water Resistant |
| Item Weight | 7.8 ounces (0.22 Kilograms) |
| Product Dimensions | 4.3 x 4.1 x 2.7 inches |
Warranty and Support
For warranty information, technical support, and additional resources, please visit the official ASUS support website or the ASUS Store.
ASUS Store: https://www.amazon.com/stores/ASUS/page/02389710-881F-4F25-89E8-F92DEEA14D5A
