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Nothing CMF Buds 2a vs SSK BT03: which should you buy?

On aggregated review scores the Nothing CMF Buds 2a comes out ahead with an HearWiki score of 78. The full breakdown - sub-scores, specs and what reviewers actually said - is below.

Our pick: Nothing CMF Buds 2a - Great overall at around $42.

Score breakdown

Each axis is a 0–10 blend of what reviewers scored, not a lab measurement.

Nothing CMF Buds 2a
Sound8.0
Noise cancelling7.5
Battery7.0
Calls6.5
Value9.0
SSK BT03
Sound7.0
Battery4.4
Calls6.3
Value6.5

Specifications

Specification comparison of Nothing CMF Buds 2a vs SSK BT03
SpecNothing CMF Buds 2aSSK BT03
TypeTrue WirelessTrue Wireless
Price (USD)$42$35
HearWiki score78 / 100 · Great62 / 100 · Average
Released20242019
Audio
Driver12.4mm Bio-fibre-
Driver size12.4 mm-
Drivers per side2-
Frequency response20Hz-20kHz-
Wireless
Bluetooth5.4-
Bluetooth version5.4-
CodecsAAC, SBC-
Multipoint pairingYes-
Battery
Battery life8 h-
Battery life (ANC on)5 h-
Battery incl. case35.5 h-
Full charge time89 min-
Quick charge10 min = 5.5 h-
Wireless chargingNo-
Features
Active noise cancellingYes-
ANC typefeedforward-
Transparency modeYes-
Companion appYes-
Custom EQYes-
Wear detectionNo-
Controlstouch-
Voice assistantYes-
Design
Weight4.28 g-
Case weight42.75 g-
Water resistanceIP54-
USB-CYes-
Calls
Microphones4-

What reviewers said

Nothing CMF Buds 2a

The Nothing CMF Buds 2a deliver a compelling mix of solid audio performance, adaptive noise cancellation, and long battery life at a very accessible price point. They are a practical pick for budget-conscious listeners who want reliable everyday earbuds with app-based customization, though they come with some expected trade-offs in materials and features.

  • Pro:Strong value for the price
  • Pro:Adaptive ANC with 42 dB reduction
  • Pro:Good battery life with case
  • Con:Plasticky build quality
  • Con:No in-ear detection
  • Con:Limited codec support (AAC, SBC)

SSK BT03

The SSK BT03 is an affordable true wireless earbud that delivers surprisingly energetic audio with punchy bass and a wide soundstage, making it a strong value pick for its price. However, its design feels unfinished and the bright color scheme may not appeal to everyone, especially in more subdued settings. Overall, it prioritizes sound quality over aesthetics, offering a solid budget option for bass-forward listeners.

  • Pro:Energetic, engaging sound with strong bass
  • Pro:Wide soundstage for an immersive feel
  • Pro:Forward vocals that cut through the mix
  • Con:Design looks immature and unfinished
  • Con:Bright colors may be off-putting for some
  • Con:Plastic build feels cheap

Summaries are AI-condensed and paraphrased from published reviews and specs - not original hands-on testing. More on our method.

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