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CMF by Nothing

CMF by Nothing Buds Pro 2

Name: CMF by Nothing Buds Pro 2
Brand: CMF by Nothing
SKU: B0D81S532L
Price: 39.00 USD

Current price · Amazon US

$39

Check Price on Amazon

Price last checked 23h ago

Noise Isolation / ANC & sound

6/ 10

0.010.0

A 6 puts its noise isolation / ANC in the top half of wireless earbuds we've measured.

Measured on 133 of the 271 we've cataloged.

4.5/ 5

SoundMDAQS Overall

4.5

1.05.0

A 4.5 puts its audio quality in the bottom third of wireless earbuds we've measured.

Measured on 64 of the 271 we've cataloged.

Key specs

Battery Life Earbuds

10 hAbove average

10 h

3 h16 h

above average for wireless earbuds — based on 243 of 271 we've cataloged.

Battery Life With Case

43 hAbove average

43 h

7 h60 h

above average for wireless earbuds — based on 245 of 271 we've cataloged.

IP Rating

IP55

IPX433%IP5516%IP5415%IPX512%

IP55 appears on 16% of the 244 wireless earbuds we've cataloged (of 271).

Noise Cancellation Type

Hybrid

Active61%Passive14%None9%Hybrid8%

Hybrid appears on 8% of the 172 wireless earbuds we've cataloged (of 271).

Battery

Battery Life Earbuds: 10 h
Battery Life With Case: 43 h
Charging Method: USB-C
Full Charge Minutes: 10.2 min
Battery Life Anc On: 6.25 h
Earbud Capacity: 60 mAh
Fast Charging: Yes

Build

IP Rating: IP55
Sweat Resistance: Yes
Water Resistance: Yes
Material Chassis Primary: Plastic

Sound

Noise Cancellation Type: Hybrid
Ambient Mode: Adjustable level
Anc Depth: 50 dB
Anc Modes: Off,anc,transparency,adaptive
Driver Count: 2
Driver Size: 11 mm
Driver Type: Dynamic
Frequency Response: 20-40000 Hz
Frequency Response High Hz: 40000 Hz
Frequency Response Low Hz: 20 Hz
Frequency Response Signature: V-shaped
Adaptive Anc: Yes

Connectivity

Bluetooth Version: 5.3
Bluetooth Codec: AAC, SBC, LDAC
Bluetooth Range: 10 m
Connection Type: Bluetooth
Headphone Jack: No
Multipoint Devices: Yes - 2 devices

Design

Earbud Form Factor: In-ear
Color Options: Dark grey, light grey, orange, blue
Ear Tip Material: Silicone
Ear Tip Sizes Included: S, M, L
Wearing Time Max: 3 h
Weight Per Earbud: 4.9 g
Weight With Case: 46 g

Features

Companion App: Yes
Control Type: Touch controls
Eq Customization: Yes
Gaming Mode: Ultra-low latency
Auto Connect: Yes
Auto Pause: Yes
Fitness Tracking: No
Mono Mode: Yes
Spatial Audio: Head tracking
Voice Assistant Support: ChatGPT

Microphone

Count: 6
Wind Noise Reduction: Yes
Noise Reduction Type: Environmental noise cancellation
Type: Dual microphone

SoundGuys review

Read the full review ›

SOUNDGUYS rating

8.1/ 10

Recommended

Reviewed byAdam BirneyManaging EditorReviewed September 2024

Noise cancelling8.1

Isolation6.0

Battery life6.2

Comfort & fit8.0

Design7.0

Portability9.0

The verdict

The CMF Buds Pro 2 punch well above their price point, offering solid sound quality and impressive ANC, with the innovative Smart Dial being the unexpected star of the show.

✓What we like

✓Good ANC

✓Smart Dial on case offers convenient controls

✓Comfortable

✓Nothing X app provides value

✓Affordable

✕What could be better

✕Too much bass

✕No Multipoint (though dual device pairing is available)

Read the full SoundGuys review →

Lab data

How we test ›

Objective measurements from the SoundGuys test lab — overlay other models to see how this one compares.

Compare with

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0 of 4 overlay slots used

CMF by Nothing Buds Pro 2SoundGuys Headphone Preference Curve

Measured frequency response (dB) against the SoundGuys house target — the dashed curve. The closer the measured line tracks the target, the more neutral the tuning; peaks ride above the target, dips fall below it.

Frequency response — measurement data

CMF by Nothing Buds Pro 2: frequency response, as measured in the SoundGuys lab. Frequency in hertz.
Frequency (Hz)	Response (dB)
20	11.8
25	13.5
32	15.3
40	16.9
50	17.5
63	16.8
80	14.7
100	11.9
125	9.0
160	6.7
200	5.3
250	4.2
315	3.1
400	1.2
500	-0.7
630	0.6
800	0.3
1000	0.0
1250	1.0
1600	3.2
2000	6.2
2500	9.5
3150	9.6
4000	7.7
5000	8.6
6300	8.5
8000	8.2
10000	-0.1
12500	6.0
16000	-1.6
20000	-22.9

CMF by Nothing Buds Pro 2

Passive isolation (dB) with ANC off — how much ambient noise the fit blocks on its own. Higher on the chart means more attenuation.

Passive isolation — measurement data

CMF by Nothing Buds Pro 2: passive isolation, as measured in the SoundGuys lab. Frequency in hertz.
Frequency (Hz)	Attenuation (dB)
21	0.9
26	1.3
33	0.7
41	1.1
52	1.4
65	1.6
82	1.9
103	2.4
130	1.9
163	2.5
205	4.0
259	4.9
325	4.4
410	6.2
516	5.5
613	5.4
772	9.1
972	11.2
1220	12.4
1540	14.6
1940	18.3
2440	22.8
3070	28.2
3870	26.5
4870	20.2
6130	29.1
7720	33.2
9720	32.8
12200	29.7
15400	37.4
19400	35.5

CMF by Nothing Buds Pro 2

Total attenuation (dB) with ANC on — passive isolation plus active noise cancelling. Higher on the chart means more attenuation.

Noise cancelling — measurement data

CMF by Nothing Buds Pro 2: noise cancelling, as measured in the SoundGuys lab. Frequency in hertz.
Frequency (Hz)	Total attenuation (dB)
21	7.5
26	18.1
33	27.5
41	27.0
52	32.9
65	35.7
82	36.8
103	31.8
130	23.7
163	28.0
205	28.9
259	21.4
325	12.5
410	15.1
516	12.9
613	12.9
772	19.4
972	21.0
1220	20.8
1540	20.6
1940	23.9
2440	28.3
3070	30.5
3870	22.1
4870	17.1
6130	19.5
7720	21.3
9720	33.9
12200	27.0
15400	22.1
19400	34.0