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Boult Audio Ember specifications and in-depth review

Boult Audio Ember

Manufacturer: Boult Audio

The Boult Audio Ember are true wireless in-ear earbuds designed for everyday use without the hassle of cables. They carry an IPX5 water resistance rating, making them reasonably well-suited for workouts or light outdoor use. The case contributes a total combined playback time of 60 hours, and fast charging support means the earbuds can be topped up without long waits. Voice prompts and a battery level indicator help keep the user informed during daily use.

On the technical side, the Ember use a 13 mm driver unit with a frequency range spanning 20 Hz to 20,000 Hz and passive noise reduction to help block ambient sound. Connectivity runs on Bluetooth 5.3 with a stated range of 10 m, and the earbuds charge via USB Type-C. A quad-microphone setup with noise-canceling mic technology handles calls and voice input, while touch controls on the earbuds allow playback and call management. A travel bag is included in the box.

Pros
  • The charging case extends total playback to 60 hours, making the earbuds practical for extended use without frequent recharging
  • Fast charging support reduces downtime when the battery runs low
  • Four microphones with noise-canceling technology help keep call audio clear in noisier environments
  • IPX5 water resistance provides reliable protection against sweat and splashes during physical activity
  • A mute function and on-device controls make handling calls more convenient without reaching for a phone
  • A travel bag is included, offering a ready-to-use storage solution out of the box
Cons
  • No active noise cancellation means users in loud environments will rely solely on passive isolation from the in-ear fit
  • Bluetooth range is limited to 10 m, which restricts movement away from the paired device
  • No advanced audio codecs such as LDAC, aptX, or AAC are supported, limiting audio transmission options
  • Wireless charging is not available, requiring a cable for every top-up
  • No ambient sound mode means users cannot let in external audio without removing the earbuds
  • There is no find-device feature, which can be inconvenient if an earbud is misplaced
Who is this for?

The Boult Audio Ember are a practical choice for users who prioritize long all-day battery life, given the combined 60-hour playback from the earbuds and case. The IPX5 water resistance makes them well-suited for gym sessions, runs, or commutes where sweat and light rain are a factor. Users who frequently take calls on the go will also benefit from the quad-microphone system with noise-canceling mic support, mute function, and on-device controls that keep call management straightforward.

Who is this NOT for?

Users seeking active noise cancellation for use in loud environments such as offices, flights, or busy transit will find the passive isolation alone insufficient for blocking persistent background noise. The absence of advanced audio codecs like LDAC or aptX makes these earbuds a poor fit for listeners who prioritize high-fidelity wireless audio transmission. Additionally, the 10 m Bluetooth range and lack of spatial audio or Dolby Atmos support mean they are not well-suited for users who want an immersive, wide-soundstage listening experience or greater freedom of movement from their paired device.

Design:

Fit In-ear
Ingress Protection (IP) rating IPX5
water resistance Water resistant
has no wires or cables ✓
are neckband earbuds ✕
wingtips included ✕
has RGB lighting ✕
has stereo speakers ✓
has UV light ✕
Has a display ✕

The Boult Audio Ember adopt a true wireless, in-ear fit with no cables or neckband connecting the two earbuds. They carry an IPX5 ingress protection rating, meaning they are water resistant and can handle splashes or sweat without issue. The earbuds deliver stereo sound and do not include wingtips for additional ear stability. There is no RGB lighting, UV light, or display present on either the earbuds or the charging case.

Sound quality:

has active noise cancellation (ANC) ✕
has passive noise reduction ✓
driver unit size 13 mm
lowest frequency 20 Hz
highest frequency 20000 Hz
supports spatial audio ✕
has Dolby Atmos ✕
has Dirac Virtuo ✕
has a neodymium magnet ✕

The Boult Audio Ember use a 13 mm driver unit and cover a frequency range of 20 Hz to 20,000 Hz. Passive noise reduction is present to help limit ambient sound from entering the ear, though active noise cancellation is not supported. The earbuds do not feature spatial audio, Dolby Atmos, Dirac Virtuo, or a neodymium magnet driver.

Power:

Battery life 8 hours
Battery life of charging case 52 hours
charge time 1.5 hours
has wireless charging ✕
Has a solar power battery ✕
has a battery level indicator ✓
has a rechargeable battery ✓

The Boult Audio Ember offer 8 hours of battery life per charge, with the charging case contributing an additional 52 hours for a combined total of 60 hours. A full charge takes 1.5 hours, and the earbuds support fast charging. A battery level indicator is included to keep track of remaining power. The battery is rechargeable, though wireless charging and solar power are not supported.

Connectivity:

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

The Boult Audio Ember connect wirelessly via Bluetooth 5.3 with a maximum range of 10 m, and charge through a USB Type-C port. Advanced audio codecs including LDAC, LDHC, AAC, and the full aptX family are not supported, nor is Bluetooth LE Audio or Auracast. Fast pairing and NFC-based pairing are also absent from the feature set.

Features:

has ambient sound mode ✕
has in/on-ear detection ✕
has find device feature ✕
Supports fast charging ✓
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 Boult Audio Ember support fast charging and include a mute function, making them usable as a headset for calls. Controls are handled through a control panel on the earbuds themselves, and voice prompts are present to assist with navigation and status updates. A travel bag is included in the box. The earbuds do not offer ambient sound mode, in-ear detection for auto-pausing, a find-device feature, notification reading, an in-line control panel, a body temperature sensor, or a camera remote shutter function.

Microphone:

number of microphones 4
has a noise-canceling microphone ✓

The Boult Audio Ember feature a quad-microphone setup with noise-canceling microphone technology to help reduce background noise during calls and voice input.

Final Verdict

The Boult Audio Ember are a straightforward set of true wireless earbuds that cover the essentials well for everyday listeners and active users. The 60-hour combined battery life stands out as the most practical strength, paired with IPX5 water resistance and a capable four-microphone call setup that makes them a reasonable daily companion. Where they fall short is in the area of advanced audio and noise management — the absence of active noise cancellation and high-fidelity codec support will be a limiting factor for more discerning listeners. For users whose priorities lean toward endurance, basic call quality, and workout-friendly durability rather than audiophile performance, the Ember deliver a functional and no-frills experience that fits those needs without unnecessary complexity.

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