CMF Buds 2 Plus
CMF Buds 2a

CMF Buds 2 Plus CMF Buds 2a

Common Features

  • Both products are in-ear earbuds.
  • Neither product has wires or cables.
  • Neither product is a neckband earbud.
  • Neither product includes wingtips.
  • Both products have stereo speakers.
  • Neither product has RGB lighting.
  • Neither product has a display.
  • Both products have a passive noise reduction feature.
  • Both products have a rechargeable battery.
  • Both products have a battery level indicator.
  • Both products have fast pairing.
  • Both products support USB Type-C.
  • Both products have Bluetooth version 5.4.
  • Both products support ambient sound mode.
  • Both products can read notifications.
  • Both products have a mute function.
  • Both products can be used as a headset.
  • Both products have control panels placed on a device.
  • Both products have a noise-canceling microphone.

Main Differences

  • Ingress Protection (IP) rating is IP55, IPX2 on CMF Buds 2 Plus and IP54, IPX2 on CMF Buds 2a.
  • Water resistance is available on CMF Buds 2 Plus but not available on CMF Buds 2a.
  • Weight is 9 g on CMF Buds 2 Plus and 8.36 g on CMF Buds 2a.
  • Driver unit size is 12 mm on CMF Buds 2 Plus and 12.4 mm on CMF Buds 2a.
  • Spatial audio support is available on CMF Buds 2 Plus but not available on CMF Buds 2a.
  • Neodymium magnet is present on CMF Buds 2 Plus but not available on CMF Buds 2a.
  • Battery life is 14 hours on CMF Buds 2 Plus and 8 hours on CMF Buds 2a.
  • Battery life of charging case is 43.5 hours on CMF Buds 2 Plus and 27.5 hours on CMF Buds 2a.
  • Battery life (ANC) is 7.5 hours on CMF Buds 2 Plus and 5 hours on CMF Buds 2a.
  • Battery power is 53 mAh on CMF Buds 2 Plus and 43 mAh on CMF Buds 2a.
  • LDAC support is available on CMF Buds 2 Plus but not available on CMF Buds 2a.
  • Audio latency is 105 ms on CMF Buds 2 Plus and 110 ms on CMF Buds 2a.
  • In/on-ear detection is available on CMF Buds 2 Plus but not available on CMF Buds 2a.
  • Number of microphones is 6 on CMF Buds 2 Plus and 4 on CMF Buds 2a.
Specs Comparison
CMF Buds 2 Plus

CMF Buds 2 Plus

CMF Buds 2a

CMF Buds 2a

Design:
Fit In-ear In-ear
Ingress Protection (IP) rating IP55, IPX2 IP54, IPX2
water resistance Water resistant None
weight 9 g 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

Both the CMF Buds 2 Plus and the CMF Buds 2a are in-ear style earbuds, offering a similar form factor. However, there are some notable differences in their design and protection features. The CMF Buds 2 Plus has an IP55 rating, which offers dust and water resistance, while the CMF Buds 2a has a slightly lower IP54 rating, indicating it is resistant to dust but less protected against water. Additionally, the CMF Buds 2 Plus has water resistance, while the CMF Buds 2a has none.

In terms of weight, the CMF Buds 2a is slightly lighter at 8.36 g compared to the 9 g of the CMF Buds 2 Plus. Both products are wireless, with no wires or cables, and neither uses a neckband. Neither model includes wingtips or features RGB lighting, UV light, or a display.

Both models are equipped with stereo speakers, which suggests a similar audio experience, though there is no further detail provided about the quality of sound. Overall, the CMF Buds 2 Plus offers slightly more robust protection against water, while the CMF Buds 2a is lighter in weight.

Sound quality:
has active noise cancellation (ANC)
has passive noise reduction
driver unit size 12 mm 12.4 mm
lowest frequency 20 Hz 20 Hz
highest frequency 20000 Hz 20000 Hz
supports spatial audio
has Dolby Atmos
has Dirac Virtuo
has a neodymium magnet

Both the CMF Buds 2 Plus and the CMF Buds 2a feature active noise cancellation (ANC) and passive noise reduction, making them both well-suited for blocking outside sounds. However, there is a difference in driver unit size: the CMF Buds 2 Plus has a 12 mm driver, while the CMF Buds 2a has a slightly larger 12.4 mm driver.

In terms of frequency response, both models cover the same range, from 20 Hz to 20,000 Hz, meaning they can produce a wide range of sounds. The CMF Buds 2 Plus supports spatial audio, while the CMF Buds 2a does not.

Another distinction is that the CMF Buds 2 Plus features a neodymium magnet, which can improve sound quality, while the CMF Buds 2a lacks this feature. Neither model supports Dolby Atmos or Dirac Virtuo, so there are no differences in that area.

Power:
Battery life 14 hours 8 hours
Battery life of charging case 43.5 hours 27.5 hours
Battery life (ANC) 7.5 hours 5 hours
charge time 1.5 hours 1.5 hours
battery power 53 mAh 43 mAh
battery power (charging case) 460mAh 460mAh
has wireless charging
Has a solar power battery
has a battery level indicator
has a rechargeable battery

The CMF Buds 2 Plus offers significantly longer battery life compared to the CMF Buds 2a. The 2 Plus provides up to 14 hours of usage on a single charge, while the 2a offers only 8 hours. When it comes to the charging case, the 2 Plus also outperforms the 2a, with a total of 43.5 hours of additional battery life compared to 27.5 hours for the 2a.

For ANC usage, the CMF Buds 2 Plus lasts 7.5 hours, while the 2a has a shorter ANC battery life of 5 hours. Both products have the same charge time of 1.5 hours and share the same 460mAh capacity for the charging case. However, the CMF Buds 2 Plus has a larger 53mAh battery compared to the 43mAh battery in the 2a.

Neither model supports wireless charging or solar power, but both have a battery level indicator and feature rechargeable batteries.

Connectivity:
has fast pairing
Has USB Type-C
Bluetooth version 5.4 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 105 ms 110 ms
has aptX Voice
has Auracast
maximum Bluetooth range 10 m 10 m
supports Bluetooth pairing using NFC
Can be used wirelessly
has AAC

The CMF Buds 2 Plus and CMF Buds 2a share many similarities when it comes to connectivity. Both models support fast pairing, feature USB Type-C charging, and use Bluetooth version 5.4. They also both support AAC, ensuring compatibility with a wide range of devices. In terms of wireless performance, both can be used wirelessly and offer a maximum Bluetooth range of 10 meters.

However, there is a small difference in audio latency. The CMF Buds 2 Plus has a latency of 105 ms, while the CMF Buds 2a has a slightly higher latency of 110 ms. Neither model supports Bluetooth pairing using NFC or offers Auracast. Both models also lack support for high-resolution audio codecs like LDAC, LDHC, aptX, and aptX Lossless, along with aptX Voice and aptX Low Latency.

Overall, the connectivity features are largely identical, with the only difference being a slightly lower audio latency in the CMF Buds 2 Plus.

Features:
release date April 2025 April 2025
has ambient sound mode
has in/on-ear detection
has find device feature
Supports fast charging
multipoint count 2 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 2 Plus and CMF Buds 2a share several key features, including ambient sound mode, the ability to find the device, fast charging support, multipoint pairing with up to two devices, a mute function, headset functionality, control panels placed on devices, voice prompts, and the inclusion of a travel bag. Both models also lack an in-line control panel, temperature sensor, and built-in camera remote control function.

However, the CMF Buds 2 Plus includes an in/on-ear detection feature, which the CMF Buds 2a does not have.

Overall, the two models are quite similar in terms of features, with the primary difference being the in/on-ear detection present on the CMF Buds 2 Plus.

Microphone:
number of microphones 6 4
has a noise-canceling microphone

The CMF Buds 2 Plus features a total of 6 microphones, while the CMF Buds 2a has 4 microphones. Both models include a noise-canceling microphone to help reduce background noise during calls or recordings.

While both products offer noise-canceling capabilities, the CMF Buds 2 Plus has more microphones, which could potentially lead to better sound capture for voice communication compared to the CMF Buds 2a.

Overall, the key difference in the microphone specifications is the number of microphones, with the CMF Buds 2 Plus having a slight advantage in this area.

Comparison Summary

This is a specification comparison between CMF Buds 2 Plus and CMF Buds 2a. Both products are in-ear earbuds with stereo speakers, rechargeable batteries, and fast pairing. The CMF Buds 2 Plus has a water resistance rating, while the CMF Buds 2a does not. The CMF Buds 2 Plus also offers longer battery life with 43.5 hours from the charging case, compared to 27.5 hours on the CMF Buds 2a. Additionally, the CMF Buds 2 Plus supports LDAC and has more microphones for improved sound capture, with a total of 6 compared to 4 on the CMF Buds 2a.