OPPO Enco X4 Launches with Dynaudio-Tuned Sound, AI Adaptive ANC and Smarter Everyday Features
OPPO has introduced the OPPO Enco X4 premium wireless earbuds, bringing together an upgraded acoustic system co-tuned with Danish audio specialist Dynaudio, artificial intelligence-powered adaptive noise cancellation, high-resolution wireless audio and intelligent features designed for everyday convenience. Announced on October 21, 2026, the new earbuds represent OPPO's latest effort to deliver a more immersive listening experience for music lovers, commuters, travellers, remote workers and digital content creators.
The Enco X4 combines dedicated audio hardware with software-driven intelligence. Its headline features include an 11mm woofer, a 6mm planar diaphragm tweeter, separate digital-to-analogue converters (DACs), support for lossless wireless audio with compatible OPPO smartphones, and AI-based noise cancellation that adapts to changing surroundings.
Beyond music playback, OPPO has designed the earbuds to support clearer phone calls, hands-free assistance, real-time translation on compatible devices, immersive spatial audio and audio recording for mobile content creation. With a claimed battery life of up to 53 hours when using the charging case under specified test conditions, the Enco X4 aims to become a versatile companion for long days away from home.
1. OPPO Enco X4: A New Generation of Premium Wireless Audio
The market for true wireless stereo (TWS) earbuds has become increasingly competitive. Consumers now expect more than wireless connectivity and basic music playback. They want detailed sound, reliable microphones, effective noise cancellation, comfortable ear tips, long battery life and intelligent features that make daily activities easier.
The OPPO Enco X4 addresses these expectations through a combination of hardware improvements and AI-assisted functionality.
According to OPPO's launch announcement, the earbuds build on the company's seven consecutive years of collaboration with Dynaudio. This partnership focuses on refining the sound signature so that music can retain its natural character while delivering powerful bass, clear vocals and detailed high frequencies.
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The product also reflects a broader shift in the personal-audio industry. Wireless earbuds are increasingly becoming multipurpose accessories that connect smartphones, laptops and tablets while supporting communication, entertainment and productivity.
For people who spend hours listening to music, attending online meetings, watching videos or travelling on public transport, this combination could be more valuable than any single specification.
However, it is important to distinguish advertised capabilities from real-world results. Sound quality depends on the recording, audio source, ear-tip fit and device compatibility. Noise cancellation and battery life also vary according to the environment and settings.
The Enco X4's actual value will therefore depend on how effectively its features work together in everyday use.
2. Dynaudio Co-Tuned Acoustic System: The Main Audio Highlight
One of the most important features of the OPPO Enco X4 is its dual-driver acoustic architecture, developed with Dynaudio.
Rather than relying on a single driver to reproduce the entire frequency range, the earbuds combine two different driver types. Each is designed to handle a particular part of the audio spectrum, helping the system reproduce a wider range of musical details.
The 11mm woofer for bass and lower frequencies
The Enco X4 incorporates an 11mm TRF diaphragm woofer designed to reproduce lower frequencies with greater authority.
Bass plays an important role in genres such as hip-hop, electronic dance music, pop, rock and cinematic soundtracks. A well-designed bass response can add weight and energy to music without overpowering vocals or other instruments.
The larger woofer is intended to provide deep, controlled bass while maintaining a balanced overall presentation. This could benefit listeners who enjoy energetic music but still want to hear the finer details of an arrangement.
The 6mm planar diaphragm tweeter for high frequencies
The second component is a 6mm planar diaphragm tweeter, designed to reproduce higher frequencies and finer audio details.
High-frequency information contributes to the clarity of cymbals, strings, vocal textures and the subtle sounds that help make a recording feel realistic. A well-controlled treble response can make music sound more open and detailed.
By assigning different frequency ranges to separate drivers, OPPO aims to improve the balance between bass impact and high-frequency precision.
Dedicated DACs for each driver
The dual-driver system is supported by separate digital-to-analogue converters. A DAC converts digitally stored audio into an analogue signal that the drivers can reproduce.
Using dedicated DACs allows the two driver paths to be processed independently. This architecture is intended to improve control across the frequency range and support more faithful audio reproduction.
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Nevertheless, specifications alone do not guarantee superior sound. The acoustic design, signal processing, tuning, recording quality and physical fit all influence the final result.
The Enco X4's appeal will ultimately depend on whether listeners find its sound natural, comfortable and enjoyable over extended listening sessions.
3. Seven Years of Collaboration with Dynaudio
Dynaudio is known for its work in loudspeaker design and audio engineering. Its collaboration with OPPO has continued across multiple generations of wireless earbuds, with the Enco X4 representing another stage in that relationship.
OPPO says the companies spent more than 300 hours tuning frequency bands for the new model. The aim is to retain the original character of music while improving vocal warmth, detail and bass control.
This type of collaboration matters because audio quality is not determined by hardware alone.
Two earbuds can use drivers of similar sizes yet sound noticeably different because of their acoustic chambers, frequency response, digital processing and tuning philosophy. A carefully tuned product attempts to create a consistent listening experience across a variety of music genres.
The Enco X4 offers five sound profiles to accommodate different preferences:
Dynaudio Original Sound: Intended to deliver the signature sound developed through the collaboration.
Dynaudio High-Resolution: Designed for listeners seeking detailed reproduction.
Pure Vocals: Focuses on vocal clarity, potentially benefiting podcasts, spoken-word recordings and vocal-heavy music.
Crisp Highs: Emphasises treble detail and a brighter presentation.
Thundering Bass: Targets listeners who prefer stronger low-frequency impact.
These profiles offer a practical advantage because not everyone listens to music in the same way. Someone enjoying classical music may prefer a different tonal balance from a listener who primarily plays electronic dance tracks.
Having several profiles makes it easier to experiment without purchasing a separate pair of earbuds for different listening preferences.
4. Lossless Wireless Audio at Up to 2.3Mbps
Another major development is the Enco X4's support for LHDC Lossless wireless audio transmission. OPPO describes it as the company's first true wireless stereo earbuds to support this type of lossless audio transmission.
With compatible OPPO Find X10 series smartphones, the earbuds can support transmission rates of up to 2.3Mbps and audio resolution of up to 24-bit/48kHz. The feature is designed to preserve more of the detail and depth of the original recording during wireless playback.
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What does lossless audio mean?
Digital music files can be compressed in different ways. Lossy compression removes some audio information to reduce file size and transmission requirements. Lossless compression, by contrast, preserves the original digital audio data when the file is decoded.
Wireless audio adds another consideration: the codec used to transmit sound from a phone to the earbuds.
Traditional Bluetooth audio often uses codecs designed to balance sound quality, battery consumption and connection stability. LHDC Lossless aims to provide higher-bandwidth transmission for compatible devices.
For listeners, this may mean more accurate reproduction of subtle instrumental details, vocal textures and the relationships between different sounds in a recording.
However, lossless transmission does not automatically make every song sound better. The original recording must contain the relevant detail, and the listener needs a compatible audio source and playback configuration.
Compatibility is important
The Enco X4's maximum 2.3Mbps lossless capability is specifically associated with compatible OPPO Find X10 series phones equipped with MediaTek processors, according to OPPO's product information. The feature should not be assumed to work at its maximum rate with every Android phone, iPhone or computer.
This distinction is particularly important for buyers who use devices from several manufacturers.
The earbuds can still provide wireless audio on compatible Bluetooth devices, but the availability of particular codecs and advanced features depends on the connected hardware and software.
5. AI Adaptive ANC for a Quieter Listening Experience
Active noise cancellation, commonly known as ANC, has become one of the most desirable features in premium wireless earbuds. It helps reduce unwanted environmental noise, allowing users to listen at more comfortable volumes and concentrate on their activities.
The OPPO Enco X4 introduces an upgraded AI Real-time Adaptive ANC system that analyses surrounding conditions and adjusts noise cancellation accordingly.
The system combines a 6nm neural processing unit (NPU), a triple-microphone arrangement, redesigned ear tips and updated noise-cancellation algorithms.
According to OPPO, overall noise-cancellation performance improves by up to 100% compared with the previous-generation Enco X3s, while cancellation in vocal frequency ranges improves by up to 30%. These are manufacturer-reported comparisons rather than independent guarantees of performance in every environment.
How adaptive noise cancellation works
Different environments create different acoustic challenges.
A train produces a mixture of low-frequency mechanical rumble and changing background sounds. A busy street may contain engines, horns and voices. An aircraft cabin creates a relatively continuous low-frequency noise, while an office may have conversations, keyboards and air-conditioning.
Adaptive ANC attempts to recognise changes in the acoustic environment and adjust the noise-cancellation response without requiring users to change settings manually every time.
The Enco X4 is designed to respond to settings such as:
Metro stations and trains.
Buses and taxis.
Aircraft cabins.
Busy streets and other commuting environments.
This could make the earbuds particularly useful for people who travel regularly or work in noisy surroundings.
Why reducing human voices matters
Human speech can be more difficult to suppress than steady background noise because voices change rapidly in pitch, volume and rhythm.
OPPO's reported improvement in vocal-frequency noise reduction is intended to make conversations around the wearer less distracting.
That may be useful for students studying in shared spaces, office workers concentrating on tasks, and commuters listening to educational content.
Nevertheless, ANC is not complete sound isolation. Some voices, announcements and sudden noises may remain audible, depending on their frequency and volume.
Users should also remain alert to traffic and other hazards, particularly when walking near roads or travelling in unfamiliar areas.
6. Conversation Awareness and AI Clear Call
The Enco X4 extends its noise-management features beyond listening to music.
Conversation Awareness is designed to recognise when the wearer begins speaking. The earbuds can then lower the playback volume and switch to Transparency Mode, helping the wearer hear nearby people without immediately removing the earbuds.
This feature addresses a familiar problem: pausing a playlist, taking out an earbud, answering a short question and then putting everything back in place.
For people who frequently interact with colleagues, family members or transport staff, automatic adjustments could make the listening experience more convenient.
AI Clear Call for clearer conversations
Phone calls present a different challenge from music playback. The earbuds must capture the user's voice while dealing with traffic, wind, public transport and nearby conversations.
The Enco X4 uses three microphones and a bone-conduction voice pickup unit, or VPU, alongside AI-based noise reduction.
The microphones collect acoustic information, while the VPU is designed to help detect vibrations associated with the wearer's voice. The system then uses signal processing to improve voice pickup and reduce unwanted background noise.
The intended benefit is clearer communication without requiring the user to shout during a call.
This could be useful for remote meetings, customer support work, business calls and conversations while travelling.
Actual call quality will still depend on microphone positioning, environmental noise, network conditions and the receiving device.
7. AI Live Translation and Google Gemini Integration
One of the most interesting additions is the Enco X4's support for AI-assisted communication.
OPPO says AI Live Translation supports real-time translation and interpretation across more than 30 languages, helping users communicate while travelling internationally or participating in multilingual interactions. The company also highlights voice activation of Google Gemini through compatible devices.
A useful companion for international travel
Imagine travelling to a country where you do not speak the local language. You may need help asking for directions, understanding a simple conversation or navigating a transport system.
A translation feature that delivers translated speech through the earbuds while displaying supporting text on a phone could make some of these interactions easier.
It may also be useful during informal conversations, language learning and certain work-related exchanges.
However, AI translation should not be treated as a perfect substitute for a professional interpreter. Background noise, accents, fast speech, idioms and technical vocabulary can all lead to mistakes.
The translation experience also depends on device compatibility, software version, supported languages and regional availability. OPPO specifies that AI Live Translation is available on selected OPPO devices running ColorOS 15.0.1 or later, with availability varying by market.
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Hands-free assistance with Gemini
The earbuds also support voice activation of Google Gemini on compatible devices, allowing users to access an AI assistant without constantly handling their phones.
Depending on the connected device and available services, a voice assistant can help with questions, planning, directions and other everyday tasks.
This may be useful when carrying bags, walking through an airport or working at a desk.
Users should check device compatibility and assistant settings before purchasing the earbuds specifically for these features.
8. Bluetooth 6.1 and Dual-Device Connectivity
The OPPO Enco X4 supports Bluetooth 6.1 and simultaneous connections to two devices, helping users move between work and personal activities more conveniently.
For example, a user might connect the earbuds to a laptop for an online meeting while also keeping a smartphone connected for incoming calls. This can reduce the need to disconnect and reconnect manually whenever the primary device changes.
Cross-system dual connectivity is particularly useful for people who use a Windows computer alongside an Android smartphone or an iPhone.
OPPO also describes Smart Bluetooth functionality for compatible OPPO and OnePlus devices. Some enhanced connectivity features depend on supported hardware and regional availability.
Bluetooth 6.1 is a connectivity standard, not a guarantee that every connection will be uninterrupted. Wireless interference, walls, distance and the capabilities of the connected device can still affect performance.
For everyday users, the most important benefit is the combination of modern connectivity and the flexibility to use the earbuds across different devices.
9. Spatial Audio for Music, Movies and Entertainment
The Enco X4 also supports cross-ecosystem spatial audio, with dynamic head tracking intended to create a more immersive three-dimensional soundstage.
Ordinary stereo playback typically distributes sound between left and right channels. Spatial audio processing can create a greater impression of width, distance and direction, making supported content feel more immersive.
This can be particularly appealing when watching films, enjoying certain music recordings or playing compatible games.
Dynamic head tracking adds another dimension by adjusting the perceived sound field as the listener moves their head. The intention is to make sound seem anchored in a virtual space rather than moving entirely with the earbuds.
OPPO says its spatial audio feature works across Android, iOS and Windows devices, although the experience may vary according to the source device, application and content.
The Enco X4 also includes a 10-band Sound Master equaliser, allowing users to adjust different frequency ranges to suit their preferences.
An equaliser can be useful for reducing excessive bass, increasing vocal clarity or creating a more personalised sound signature. Users can experiment with settings rather than relying entirely on the default tuning.
These features make the earbuds appealing to people who consume different types of media throughout the day.
10. Clear Audio Recording for Content Creators
OPPO is positioning the Enco X4 as more than a music accessory. The earbuds also include Dolby-powered Clear Audio Recording, a feature designed to capture immersive stereo audio when used with compatible OPPO Find series smartphones.
The system uses both earbuds to capture audio, with processing intended to preserve spatial depth, direction and vocal detail. OPPO says the best experience is available with the Find X10 series and later compatible models.
This could interest bloggers, journalists, vloggers and social media creators who regularly record videos using smartphones.
For example, someone producing a travel video might want to capture a short introduction while visiting a busy location. A creator recording a walking tour may also value audio that conveys more of the surrounding atmosphere.
The possibility of using earbuds for recording could reduce the need to carry additional equipment for certain casual projects.
However, this feature should not automatically be considered a replacement for a dedicated external microphone. Professional interviews, studio recordings and challenging outdoor environments may require more specialised equipment.
Creators should also verify that their phone supports Clear Audio Recording before relying on it for a project.
11. Battery Life: Up to 53 Hours with the Charging Case
Battery endurance is another important selling point.
OPPO advertises up to 13 hours of music playback on a single charge of the earbuds and up to 53 hours when the charging case is included. These figures are based on AAC playback, ANC turned off, a 50% volume setting and controlled test conditions at approximately 25°C.
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OPPO Enco X4 battery overview
53 hours
Maximum playback with case, ANC off
13 hours
Maximum playback on earbuds alone, ANC off
26 hours
Maximum playback with case, ANC on
10 minutes
Claimed quick-charge time for up to 14 hours of playback under specified conditions
Manufacturer-reported figures. Actual results depend on codec, volume, ANC, calls, connectivity and other settings.
What happens when ANC is enabled?
Noise cancellation requires additional processing and power. OPPO lists up to six hours of playback on the earbuds alone and 26 hours with the case when ANC is enabled under the stated AAC test conditions.
With LHDC audio and ANC enabled, the official product page lists approximately 5.5 hours on the earbuds and 22 hours including the case.
These differences illustrate why battery claims should be considered alongside the conditions under which they were measured.
Someone listening at a high volume, taking frequent calls or using advanced audio processing may experience shorter battery life than the maximum advertised figure.
The earbuds also support rapid charging. OPPO claims that a 10-minute charge can provide up to 14 hours of music playback under specified conditions. Buyers should check the exact charging conditions because a quick-charge claim does not mean that the earbuds will always deliver that much playback after a brief charge.
12. Comfort, Design and IP55 Resistance
Comfort can determine whether premium earbuds are enjoyable after several hours of use.
The Enco X4 features redesigned low-strain noise-cancelling ear tips, developed using data from more than 2,800 ear-canal scans. OPPO says the design aims to provide a secure fit while reducing pressure during extended wear.
A good seal can also help passive noise isolation and support more consistent bass reproduction.
Nevertheless, everyone's ears are different. Buyers should try the available tip sizes when possible, because an uncomfortable or poorly fitting earbud can affect both sound quality and noise cancellation.
The product is offered in two colours: Glacier White and Aurora Violet. Its design combines a modern finish with a compact charging case intended for everyday portability.
The earbuds also carry an IP55 rating for dust and water resistance. This offers protection against dust ingress and water jets under specified laboratory test conditions, but it does not make the product waterproof.
Users should avoid swimming or showering with the earbuds and should not charge them while wet. The charging case should not be assumed to have the same protection rating as the earbuds.
These precautions are particularly relevant in humid climates and during the rainy season.
13. Neck Monitoring and Everyday Wellness Features
The Enco X4 includes a Neck Monitoring feature designed to detect prolonged poor neck posture and remind users to adjust their position. OPPO also describes a neck mobility test within its broader software experience.
This feature may be relevant to people who spend long hours looking at computer screens or smartphones.
For instance, someone working remotely may remain seated in one position for much of the day. A reminder to adjust posture can encourage short breaks and greater awareness of working habits.
However, posture reminders are not a medical diagnostic tool and cannot guarantee the prevention of neck pain or injury. Users experiencing persistent discomfort should seek appropriate professional advice.
The availability of this feature may depend on the connected OPPO or OnePlus device and its software.
14. OPPO Enco X4 Price and Availability
OPPO announced a gradual global rollout of the Enco X4, with local pricing and availability to be confirmed through regional announcements.
According to launch coverage, the earbuds are priced at ₹19,999 in India, with sales scheduled to begin on October 29, 2026, through OPPO's official Indian website and Amazon India. The announced colours are Glacier White and Aurora Violet.
This Indian price should not be treated as the official price in Bangladesh or another market. Local taxes, import costs, retailer margins, warranty arrangements and launch promotions can affect the final amount.
Bangladeshi buyers should confirm availability, warranty coverage and the supported features of any imported unit before purchasing.
15. OPPO Enco X4: Who Should Consider Buying It?
The Enco X4 appears aimed at consumers who want premium audio quality combined with practical everyday features.
Music enthusiasts may appreciate the dual-driver acoustic system, Dynaudio tuning and lossless audio support. Those who enjoy experimenting with sound can also benefit from the five sound profiles and adjustable equaliser.
Frequent commuters may find AI Adaptive ANC, Conversation Awareness and long battery life particularly useful when travelling on buses, trains or aeroplanes.
Remote workers and professionals may value the microphone system, AI Clear Call and dual-device connectivity for meetings and telephone conversations.
Travel enthusiasts may appreciate AI Live Translation, spatial audio and hands-free assistant access, provided their phones support the relevant features.
Content creators may find Clear Audio Recording interesting if they use a compatible OPPO Find smartphone to produce videos.
However, users with older smartphones or devices from other manufacturers should check compatibility carefully. Some of the Enco X4's most advanced functions are tied to specific OPPO or OnePlus devices.
Buyers who mainly want basic wireless earbuds for occasional calls and music should also compare the price with less expensive alternatives before making a decision.
16. Final Verdict: A Feature-Rich Step Forward for OPPO Audio
The OPPO Enco X4 brings together several technologies that matter in modern wireless listening: Dynaudio-co-tuned acoustics, dual drivers and DACs, AI-powered adaptive noise cancellation, high-bandwidth lossless audio, spatial sound and intelligent communication features.
Its claimed 53-hour total battery life with the charging case is another major attraction, although actual endurance will depend on listening conditions and enabled features.
The earbuds' most compelling aspect is not simply one headline specification. It is the combination of entertainment, communication, connectivity and content-creation capabilities in a single compact device.
The Enco X4 could be a strong option for users who want more from their earbuds than music playback alone. At the same time, its value will depend on local pricing, device compatibility, real-world ANC performance and how useful its AI features prove to be in everyday situations.
For prospective buyers, the best approach is to compare the Enco X4 with competing premium earbuds, check the availability of its advanced features on their existing devices, and try the fit if possible.
With those considerations in mind, OPPO's latest release represents an ambitious move toward smarter, more personalised wireless audio.
Frequently Asked Questions (FAQs)
1. What is the OPPO Enco X4?
The OPPO Enco X4 is a premium true wireless stereo earbud model featuring Dynaudio-tuned sound, AI Adaptive ANC, spatial audio, Bluetooth 6.1 and intelligent communication features.
2. How long does the OPPO Enco X4 battery last?
OPPO claims up to 13 hours of playback on the earbuds and 53 hours with the charging case when ANC is turned off under specified AAC test conditions. With ANC enabled, the claimed total is up to 26 hours.
3. Does the OPPO Enco X4 support lossless audio?
Yes. It supports LHDC Lossless transmission at up to 2.3Mbps and 24-bit/48kHz with compatible OPPO Find X10 series smartphones. Maximum performance is not guaranteed with every device.
4. Is the OPPO Enco X4 waterproof?
No. The earbuds have an IP55 dust and water resistance rating, but they are not waterproof. Avoid swimming, showering and charging them while wet. The charging case should not be assumed to share the earbuds' rating.
5. What is the price of the OPPO Enco X4?
Launch coverage reports an Indian price of ₹19,999, with sales scheduled to begin on October 29, 2026. Pricing and availability in Bangladesh and other markets may differ.
Article note: Specifications and feature descriptions are based on OPPO's published product information and launch coverage available in October 2026. Actual performance, pricing and feature availability may vary by region and compatible device.
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