Oppo Enco Air 4i specifications and in-depth review

Oppo Enco Air 4i

Manufacturer: Oppo

The Oppo Enco Air 4i is a pair of wireless earbuds that offers a comfortable in-ear fit and features IP55 water resistance. With a weight of just 8.6g, they provide a lightweight and secure experience for users. These earbuds are designed to support stereo sound for an immersive listening experience, without the need for wires or cables.

Equipped with a 12.4mm driver unit, the Oppo Enco Air 4i delivers clear sound across a frequency range of 20 Hz to 20,000 Hz. They offer active noise cancellation (ANC) and passive noise reduction for a more focused audio experience. The earbuds provide up to 12 hours of battery life, while the charging case extends usage to 42 hours. With Bluetooth 5.4 connectivity and fast pairing, they support seamless connection and reliable performance during use.

Pros
  • IP55 water resistance provides protection against dust and water, making the earbuds suitable for various environments.
  • Supports fast charging, allowing users to quickly power up the earbuds for continued use.
  • Ambient sound mode enhances situational awareness, which is useful for users in dynamic or outdoor settings.
  • The earbuds can be paired with two devices simultaneously, offering convenience for users who need to switch between devices frequently.
  • Compact and lightweight design at just 8.6g, making them comfortable for extended use.
Cons
  • No noise-canceling microphone, which may affect call clarity in noisy environments.
  • Lack of wireless charging means users must rely on a wired connection for recharging the earbuds.
  • Does not support advanced audio features like spatial audio, Dolby Atmos, or LDAC, limiting audio quality options.
  • No in-ear detection, meaning music does not automatically pause when the earbuds are removed.
  • No NFC pairing, requiring manual Bluetooth connection for initial setup.
Who is this for?

The Oppo Enco Air 4i is ideal for users who need lightweight, true wireless earbuds for everyday activities such as commuting, working out, or casual listening. With features like IP55 water resistance and ambient sound mode, these earbuds are well-suited for outdoor or dynamic environments. The fast charging support is also a plus for users who need to quickly recharge during short breaks or on the go.

Who is this NOT for?

The Oppo Enco Air 4i may not be the best choice for users who prioritize advanced audio features or noise isolation. The lack of active noise cancellation (ANC) for better focus in noisy environments and the absence of features like LDAC or Dolby Atmos make these earbuds less suitable for audiophiles or users who seek immersive sound experiences. Additionally, the lack of wireless charging may be a drawback for users who prefer cable-free charging options.

Design:

Fit In-ear
Ingress Protection (IP) rating IP55
water resistance Water resistant
weight 8.6 g
has no wires or cables
are neckband earbuds
wingtips included
has RGB lighting
has stereo speakers
has UV light
Has a display

The Oppo Enco Air 4i earbuds feature an in-ear fit, offering comfort and stability during use. With an IP55 water resistance rating, they provide protection against dust and water, making them suitable for everyday use in various environments. Weighing just 8.6g, these true wireless earbuds are lightweight and free of any cables, ensuring a hassle-free experience. Additionally, they are equipped with stereo speakers for rich audio quality, but lack features like RGB lighting or a display.

Sound quality:

has active noise cancellation (ANC)
has passive noise reduction
driver unit size 12.4 mm
lowest frequency 20 Hz
highest frequency 20000 Hz
supports spatial audio
has Dolby Atmos
has Dirac Virtuo
has a neodymium magnet

The Oppo Enco Air 4i earbuds deliver high-quality sound with a 12.4mm driver unit, producing audio across a frequency range from 20 Hz to 20,000 Hz. These earbuds feature both active noise cancellation (ANC) and passive noise reduction for an immersive listening experience. However, they do not support features like spatial audio, Dolby Atmos, or Dirac Virtuo.

Power:

Battery life 12 hours
Battery life of charging case 42 hours
Battery life (ANC) 8 hours
charge time 2 hours
battery power (charging case) 560mAh
has wireless charging
Has a solar power battery
has a battery level indicator
has a rechargeable battery

The Oppo Enco Air 4i offers a solid battery performance, providing up to 12 hours of battery life on a full charge. The included charging case extends usage to a total of 42 hours. When using active noise cancellation (ANC), the battery life drops to 8 hours. The earbuds have a 2-hour charge time and come with a 560mAh charging case. A battery level indicator is included, but wireless charging and solar power are not supported.

Connectivity:

has fast pairing
Has USB Type-C
Bluetooth version 5.4
has LDAC
has LDHC
has Bluetooth LE Audio
has aptX Adaptive
has aptX Low Latency
has aptX HD
has aptX
has aptX Lossless
audio latency 47 ms
has aptX Voice
has Auracast
maximum Bluetooth range 10 m
supports Bluetooth pairing using NFC
Can be used wirelessly
has AAC

The Oppo Enco Air 4i features Bluetooth 5.4 for reliable connectivity and offers fast pairing for quick setup. The earbuds also support the AAC codec for high-quality audio streaming. They have a maximum Bluetooth range of 10 meters and an audio latency of 47 ms, but do not support advanced Bluetooth features like LDAC, aptX, or NFC pairing.

Features:

release date February 2025
has ambient sound mode
has in/on-ear detection
has find device feature
Supports fast charging
multipoint count 2
can read notifications
has a mute function
can be used as a headset
control panel placed on a device
Has voice prompts
travel bag is included
Has an in-line control panel
Has a temperature sensor
Has a built-in camera remote control function

The Oppo Enco Air 4i comes with a variety of useful features, including ambient sound mode for better situational awareness and a find device feature to locate misplaced earbuds. They support fast charging for quick power-ups and offer multipoint connectivity for pairing with two devices simultaneously. Other features include a mute function, voice prompts, and a travel bag for easy storage, though it lacks in-ear detection, the ability to read notifications, or an in-line control panel.

Microphone:

number of microphones 2
has a noise-canceling microphone
mic sensitivity -38dBV/Pa

The Oppo Enco Air 4i is equipped with two microphones to enhance audio capture during calls or recordings. While it does not feature a noise-canceling microphone, it offers a microphone sensitivity of -38dBV/Pa, ensuring clear voice transmission in a variety of situations.

Final Verdict

The Oppo Enco Air 4i offers a reliable and practical solution for users seeking true wireless earbuds with essential features like IP55 water resistance and fast charging. While they excel in providing comfort, durability, and ease of use, they lack some high-end audio features such as active noise cancellation and advanced codecs. These earbuds are well-suited for everyday activities and casual listening, but may not satisfy audiophiles or users looking for premium sound experiences. Overall, they are a solid choice for those prioritizing basic, dependable performance in a wireless earbud.

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