CMF Buds 2a specifications and in-depth review

CMF Buds 2a

Manufacturer: CMF

The CMF Buds 2a wireless earbuds offer a sleek, in-ear design with features aimed at enhancing sound quality and comfort. These earbuds include active noise cancellation (ANC) and a long-lasting battery life of up to 8 hours on a single charge, making them a solid choice for everyday use.

Key technical features of the CMF Buds 2a include a 12.4 mm driver unit for clear audio, an IP54/IPX2 rating for basic water resistance, and Bluetooth 5.4 for fast and stable connectivity. The earbuds also provide multi-point connection support for up to two devices and a 27.5-hour total battery life with the charging case.

Pros
  • True wireless design allows for freedom of movement without any cables.
  • Active noise cancellation (ANC) and passive noise reduction help create an immersive listening experience.
  • Up to 27.5 hours of total battery life with the charging case, providing extended usage time.
  • Fast pairing feature makes setup quick and easy.
  • Equipped with a noise-canceling microphone for clearer voice communication in noisy environments.
Cons
  • No support for advanced Bluetooth codecs like LDAC, aptX, or AAC, limiting high-quality audio streaming options.
  • Does not have wireless charging, which may be less convenient for some users.
  • No spatial audio, Dolby Atmos, or Dirac Virtuo support, limiting the overall sound experience.
  • Lacks in-ear detection for automatic music pausing when the earbuds are removed.
  • No built-in camera remote control functionality or body temperature sensor.
Who is this for?

The CMF Buds 2a wireless earbuds are ideal for users who prioritize active noise cancellation and extended battery life for long listening sessions. With up to 8 hours of battery life and a charging case that provides an additional 27.5 hours, they are well-suited for commuters, travelers, or anyone who needs reliable and long-lasting earbuds. The fast pairing feature also makes them perfect for users who want a quick and hassle-free connection to their devices.

Who is this NOT for?

These earbuds may not be suitable for users looking for advanced audio features such as LDAC support or spatial audio. With limited support for high-quality codecs and no support for Dolby Atmos or Dirac Virtuo, audiophiles seeking superior sound quality might find them lacking. Additionally, users who require automatic features like in-ear detection or wireless charging may find the absence of these features a drawback.

Design:

Fit In-ear
Ingress Protection (IP) rating IP54, IPX2
water resistance None
weight 8.36 g
has no wires or cables
are neckband earbuds
wingtips included
has RGB lighting
has stereo speakers
has UV light
Has a display

The CMF Buds 2a wireless earbuds feature a compact, in-ear fit design for comfortable and secure wear. With a weight of just 8.36 g, they are lightweight and easy to wear for extended periods. These earbuds come with an IP54, IPX2 rating, providing protection against dust and water splashes, though they are not fully water-resistant. The earbuds are true wireless, meaning they have no cables or neckband, and do not include wingtips or RGB lighting for a minimalistic design.

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 CMF Buds 2a wireless earbuds deliver enhanced audio performance with features like active noise cancellation (ANC) and passive noise reduction for immersive sound. The 12.4 mm driver unit ensures deep and clear audio, while the earbuds cover a wide frequency range from 20 Hz to 20,000 Hz. However, they do not support spatial audio, Dolby Atmos, or Dirac Virtuo for advanced sound processing.

Power:

Battery life 8 hours
Battery life of charging case 27.5 hours
Battery life (ANC) 5 hours
charge time 1.5 hours
battery power 43 mAh
battery power (charging case) 460mAh
has wireless charging
Has a solar power battery
has a battery level indicator
has a rechargeable battery

The CMF Buds 2a earbuds offer up to 8 hours of battery life on a single charge, with the charging case providing an additional 27.5 hours of playtime. When using active noise cancellation (ANC), the battery lasts for about 5 hours. Charging the earbuds takes just 1.5 hours, and they feature a rechargeable battery with a battery level indicator to keep track of power. However, they do not support wireless charging or solar power capabilities.

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 110 ms
has aptX Voice
has Auracast
maximum Bluetooth range 10 m
supports Bluetooth pairing using NFC
Can be used wirelessly
has AAC

The CMF Buds 2a wireless earbuds support Bluetooth 5.4 for a stable connection with a maximum range of 10 meters. They also feature fast pairing for quick setup and come with a USB Type-C port for convenient charging. These earbuds support AAC codec for high-quality audio, but they do not include advanced Bluetooth features like LDAC, aptX, or NFC pairing.

Features:

release date April 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 CMF Buds 2a wireless earbuds offer a variety of convenient features, including ambient sound mode for awareness of your surroundings, fast charging for quick power-up, and the ability to pair with two devices simultaneously, supporting multipoint connection. They also come with a travel bag and voice prompts for easier operation, but do not include features like in-ear detection, reading notifications, or a remote shutter function.

Microphone:

number of microphones 4
has a noise-canceling microphone

The CMF Buds 2a wireless earbuds feature a total of four microphones to enhance voice clarity during calls or commands. Additionally, they are equipped with a noise-canceling microphone to reduce background noise for clearer communication in noisy environments.

Final Verdict

The CMF Buds 2a wireless earbuds offer a solid performance for users seeking active noise cancellation and long-lasting battery life, with up to 8 hours of playtime and a total of 27.5 hours with the charging case. While they excel in delivering a reliable and immersive audio experience, their lack of advanced audio codecs like LDAC and the absence of features like wireless charging and spatial audio may limit their appeal to audiophiles or users seeking cutting-edge sound technology. Overall, these earbuds are well-suited for everyday use, commuting, and travel, offering good value for those who prioritize convenience and functionality over advanced audio features.

Popular Comparisons

CMF Buds 2a
CMF Buds 2a
VS
Baseus Bass BP1 Pro
Baseus Bass BP1 Pro
CMF Buds 2a
CMF Buds 2a
VS
boAt Rockerz 200
boAt Rockerz 200
CMF Buds 2a
CMF Buds 2a
VS
CMF Buds 2
CMF Buds 2
CMF Buds 2a
CMF Buds 2a
VS
CMF Buds
CMF Buds
CMF Buds 2a
CMF Buds 2a
VS
CMF Buds 2 Plus
CMF Buds 2 Plus
CMF Buds 2a
CMF Buds 2a
VS
Anker Soundcore P30i
Anker Soundcore P30i
CMF Buds 2a
CMF Buds 2a
VS
Anker Soundcore P40i
Anker Soundcore P40i
CMF Buds 2a
CMF Buds 2a
VS
Anker Soundcore R60i
Anker Soundcore R60i
CMF Buds 2a
CMF Buds 2a
VS
boAt Airdopes Prime 701
boAt Airdopes Prime 701
CMF Buds 2a
CMF Buds 2a
VS
Baseus Bowie MF1
Baseus Bowie MF1
CMF Buds 2a
CMF Buds 2a
VS
OnePlus Nord Buds 3R
OnePlus Nord Buds 3R
CMF Buds 2a
CMF Buds 2a
VS
Noise Buds Marine
Noise Buds Marine
CMF Buds 2a
CMF Buds 2a
VS
JLab Go Pods ANC
JLab Go Pods ANC
CMF Buds 2a
CMF Buds 2a
VS
CMF Buds Pro 2
CMF Buds Pro 2
CMF Buds 2a
CMF Buds 2a
VS
OnePlus Nord Buds 3
OnePlus Nord Buds 3
CMF Buds 2a
CMF Buds 2a
VS
CMF Buds Pro
CMF Buds Pro
CMF Buds 2a
CMF Buds 2a
VS
Realme Buds T310
Realme Buds T310
CMF Buds 2a
CMF Buds 2a
VS
Realme Buds Air 7
Realme Buds Air 7
CMF Buds 2a
CMF Buds 2a
VS
Nothing Ear A
Nothing Ear A
CMF Buds 2a
CMF Buds 2a
VS
Xiaomi Redmi Buds 6
Xiaomi Redmi Buds 6
CMF Buds 2a
CMF Buds 2a
VS
Moondrop Moca
Moondrop Moca