The ASUS ROG Cetra Open Wireless is a specialized gaming headset designed to tackle a very specific problem: reducing audio latency without plugging directly into the ear canal, though according to testing it forces significant compromises outside of gaming sessions. Built around an open-air concept, the hardware targets players who dislike traditional in-ear silicone tips while requiring a reliable connection for mobile devices, PCs, and portable consoles.
Low-Latency 2.4 GHz Adapter Performance
Unlike standard Bluetooth earbuds, the ROG Cetra features a dedicated USB-C 2.4 GHz wireless adapter utilizing ROG SpeedNova technology. According to hardware evaluations, this proprietary connection successfully minimizes audio delay compared to traditional Bluetooth connections, ensuring sound syncs precisely with on-screen action during fast-paced gaming. The adapter includes a passthrough USB-C port to allow device charging during use, and features a sideways-facing port design intended to make handheld gaming more comfortable. Compatibility extends across PC, Mac, PlayStation 4 and 5, Nintendo Switch, iOS, and Android systems. However, testing notes a specific quirk with Apple hardware: when connected via the 2.4 GHz adapter to a MacBook, the audio output becomes unusually loud, a phenomenon also reported by users on public forums.
Ergonomic Design and Physical Controls
Weighing just 11 grams per earbud, the Cetra utilizes ear-hugging hooks designed to keep the hardware secure during active movement, backed by an IPX5 rating for sweat and splash resistance. According to design reviews, the open-air architecture eliminates the pressure of traditional silicone tips and provides high comfort levels, though fit can vary based on individual ear shape and size. For controls, each earbud features a single physical button. Basic playback and calls require a single press, track skipping takes two presses, voice assistants need three, and volume adjustments demand four. Users can bypass the multi-press volume routine by using the Gear Link mobile and web application, which also manages the ten-band equalizer, microphone settings, and RGB lighting.
Audio Reproduction and Battery Life Realities
Audio performance leans heavily toward gaming applications, where the open design allows for clear directional sound separation in shooter titles, though performance can waver when multiple audio layers trigger simultaneously. When used for general media consumption or music, sound quality is described as average. Because the open-ear architecture lacks passive noise isolation, low frequencies are naturally limited, prompting ASUS to include a Phantom Bass feature and an Immersion Mode to help mitigate background noise. Battery life claims reach up to 16 hours, but achieving this requires disabling RGB lighting, the microphone, Phantom Bass, and Immersion Mode. Real-world testing with features enabled shows battery endurance maxing out between 5 and 9 hours depending on configuration, falling short of a full workday under heavy load.
Frequently Asked Questions
Does the ASUS ROG Cetra Open Wireless feature active noise cancellation?
No, the open-ear design does not block out the ear canal. It includes an Immersion Mode to slightly reduce continuous background noise, but it lacks traditional active noise cancellation.
What devices are compatible with the ROG Cetra?
The headset officially supports PC, Mac, PlayStation 4 and 5, Nintendo Switch, iOS, and Android platforms using either Bluetooth or the included 2.4 GHz USB-C adapter.
How do you adjust the volume on the earbuds?
Volume can be adjusted by pressing the physical button on an earbud four times, or by using the companion Gear Link app.
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