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Crossbeats Sonic 3 specifications and in-depth review

Crossbeats Sonic 3

Manufacturer: Crossbeats

The Crossbeats Sonic 3 are true wireless in-ear earbuds designed for everyday use without the hassle of cables. They carry an IPX5 sweat-resistance rating, making them a practical option for active wear, and ship with a travel bag included. Touch controls sit directly on the earbuds, and voice prompts keep the user informed during operation.

On the audio side, the Sonic 3 uses a 13 mm driver with a frequency range of 20 Hz to 20,000 Hz, an impedance of 32 Ohms, and a sound pressure level of 109 dB/mW. It supports active noise cancellation alongside passive noise isolation, and an ambient sound mode lets environmental audio through when needed. Connectivity runs over Bluetooth 5.3 with AAC codec support and a quoted audio latency of 40 ms, while the USB-C charging port supports fast charging. A quad-microphone setup with noise cancellation handles calls, and the 40 mAh earbud batteries are rated for 10 hours of playback, backed by a 300 mAh case for a combined total of 50 hours.

Pros
  • Bluetooth 5.3 keeps the connection stable with a quoted audio latency of just 40 ms, which is useful for video and casual gaming use
  • Both active noise cancellation and passive noise isolation are present, offering two layers of sound blocking in a single pair of earbuds
  • The charging case holds enough charge to extend total playback to 50 hours, reducing how often the case itself needs to be plugged in
  • Fast charging is supported, and the case uses USB-C for a widely available connection type
  • A four-microphone array with noise cancellation is included, which helps with call clarity in noisier environments
  • A travel bag is included in the box, making transport and storage more convenient from the start
Cons
  • No wireless charging support means the case always requires a physical cable
  • In-ear detection is absent, so music will not pause automatically when an earbud is removed
  • There is no find-device feature, which can be inconvenient if an earbud is misplaced
  • None of the high-resolution Bluetooth codecs such as LDAC, aptX HD, or aptX Adaptive are supported, limiting audio quality for sources that offer them
  • NFC and fast pairing are both unsupported, so the initial pairing process requires manual steps each time with a new device
Who is this for?

The Sonic 3 is well suited to users who want a cable-free listening experience for workouts and active use, given its IPX5 sweat resistance and secure in-ear fit. The combination of active noise cancellation, passive isolation, and a 50-hour combined battery life also makes it a practical daily commuter option where blocking out ambient noise and lasting through long days without frequent recharging matters. The four-microphone noise-canceling setup means it also works well for people who regularly take calls or join voice meetings on the go.

Who is this NOT for?

Users who prioritize high-resolution audio playback will find the Sonic 3 limiting, as it lacks support for LDAC, aptX HD, aptX Adaptive, and related codecs, restricting audio quality to AAC at best. It is also a poor fit for anyone who relies on smart earbud features such as automatic ear detection for pause-on-removal or a find-device function, since neither is available. Additionally, those who prefer wireless charging for their accessories will need to work around the case requiring a physical USB-C connection every time.

Design:

Fit In-ear
Ingress Protection (IP) rating IPX5
water resistance Sweat resistant
has no wires or cables ✓
are neckband earbuds ✕
wingtips included ✕
has stereo speakers ✓

The Crossbeats Sonic 3 adopts an in-ear fit and operates as a fully true wireless design, meaning there are no cables or neckbands involved. The earbuds do not include wingtips but do feature stereo speakers for two-channel audio output. For moisture protection, they carry an IPX5 rating, which means they are built to handle sweat during workouts or physical activity, though this does not extend to full water submersion.

Sound quality:

has active noise cancellation (ANC) ✓
has passive noise reduction ✓
driver unit size 13 mm
lowest frequency 20 Hz
highest frequency 20000 Hz
impedance 32 Ohms
sound pressure level 109 dB/mW
has a neodymium magnet ✕

The Sonic 3 uses a 13 mm driver unit and covers a frequency range of 20 Hz to 20,000 Hz, with an impedance of 32 Ohms and a sound pressure level of 109 dB/mW. It supports both active noise cancellation (ANC) and passive noise reduction, giving it two layers of isolation from ambient sound. The drivers do not use a neodymium magnet in their construction.

Power:

Battery life 10 hours
Battery life of charging case 50 hours
charge time 2 hours
battery power 40 mAh
battery power (charging case) 300mAh
has wireless charging ✕
has a battery level indicator ✓
has a rechargeable battery ✓

The Sonic 3 earbuds carry a 40 mAh rechargeable battery rated for 10 hours of playback, while the 300 mAh charging case extends the total to 50 hours before an external power source is needed. A full charge takes 2 hours, and a battery level indicator lets the user monitor remaining power. Wireless charging is not supported, so the case relies solely on wired charging.

Connectivity:

has fast pairing ✕
Has USB Type-C ✓
Bluetooth version 5.3
has LDAC ✕
has LDHC ✕
has aptX Adaptive ✕
has aptX Low Latency ✕
has aptX HD ✕
has aptX ✕
has aptX Lossless ✕
audio latency 40 ms
has aptX Voice ✕
maximum Bluetooth range 10 m
supports Bluetooth pairing using NFC ✕
Can be used wirelessly ✓
has AAC ✓

The Sonic 3 connects wirelessly via Bluetooth 5.3 with a maximum range of 10 m and an audio latency of 40 ms. The AAC codec is supported, while higher-end audio codecs including LDAC, LDHC, aptX, aptX HD, aptX Adaptive, aptX Low Latency, aptX Lossless, and aptX Voice are not available on this model. Pairing is handled through standard Bluetooth only, as neither fast pairing nor NFC pairing is supported. The charging case uses a USB Type-C port for wired charging.

Features:

has ambient sound mode ✓
has in/on-ear detection ✕
has find device feature ✕
Supports fast charging ✓
has a mute function ✓
can be used as a headset ✓
control panel placed on a device ✓
warranty period 1 years
Has voice prompts ✓
travel bag is included ✓
Has an in-line control panel ✕
Has a temperature sensor ✕

The Sonic 3 includes an ambient sound mode for letting in environmental audio, a mute function, and voice prompts to assist with in-use notifications. Controls are placed directly on the earbuds rather than on an in-line panel, and the earbuds can also function as a headset for calls. Fast charging is supported, and a travel bag is included in the box. The product does not feature in/on-ear detection, a find-device function, or a body temperature sensor, and comes with a 1-year warranty.

Microphone:

number of microphones 4
has a noise-canceling microphone ✓

The Sonic 3 is equipped with a quad-microphone setup that includes noise-canceling capability, allowing it to reduce unwanted background sound during calls and voice interactions.

Final Verdict

The Crossbeats Sonic 3 presents itself as a capable everyday wireless earbud with a well-rounded feature set for active and on-the-go users. Its combination of active noise cancellation and a 50-hour combined battery life gives it genuine staying power for commuters and fitness users alike, while the four-microphone noise-canceling setup adds real practical value for calls. Where it falls short is in audio codec support and smart features like ear detection and device finding, which means users with more demanding expectations around sound quality or convenience automation may find it does not fully meet their needs. For those whose priorities sit around reliable wireless performance, solid battery endurance, and sweat resistance, the Sonic 3 delivers a focused and functional package.

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