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Belkin

Belkin SoundForm Isolate

Name: Belkin SoundForm Isolate
Brand: Belkin
SKU: B0DQLTG28K
Price: 42.29 USD

Current price · Amazon US

$42.29

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noise cancelling & sound

7.3/ 10

ANCNoise cancelling

7.3

0.010.0

At 7.3, its noise cancelling beats 14% of over-ear headphones we've measured.

Measured on 58 of the 239 we've cataloged.

3.4/ 5

SoundMDAQS Overall

3.4

1.05.0

A 3.4 puts its audio quality in the bottom quarter of over-ear headphones we've measured.

Measured on 43 of the 239 we've cataloged.

See the lab data ↓Frequency response · Isolation · Noise cancelling · Audio quality

Key specs

Battery Life Wireless

60 hAbove average

60 h

11 h100 h

above average for over-ear headphones — based on 156 of 239 we've cataloged.

Charging Method

USB-CMost common

Usb-c88%Micro usb9%Others3%

Usb-c is the most common — on 88% of the 138 over-ear headphones we've cataloged (of 239).

Bluetooth Version

5.4

5.029%5.326%5.216%5.411%

5.4 appears on 11% of the 147 over-ear headphones we've cataloged (of 239).

Weight

160 gBelow average

160 g

133 g420 g

below average for over-ear headphones — based on 196 of 239 we've cataloged.

Battery

Battery Life Wireless: 60 h
Charging Method: USB-C
Battery Life Anc On: 40 h
Battery: Yes
Fast Charging: Yes

Connectivity

Bluetooth Version: 5.4
Multipoint Devices: 2 devices
USB Charging: Yes

Design

Weight: 160 g
Color Options: Black, sand
Foldable: Yes

Microphone

Count: 5
Microphone: Yes

Build

Material Ear Cups: Memory foam, PU leather

Sound

Driver Size: 40 mm
Frequency Response: 20-20000 Hz
Frequency Response High Hz: 20000 Hz
Frequency Response Low Hz: 20 Hz
Noise Cancellation Type: Active

Lab data

How we test ›

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

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Belkin SoundForm IsolateSoundGuys Headphone Preference Curve

Measured frequency response (dB relative) against the SoundGuys Headphone Preference Curve. When the measurement goes above the dashed line, that frequency is louder than our preference curve, and when it goes below: it's quieter. Use the curve for comparison purposes only, as your taste may vary.

Belkin SoundForm Isolate: frequency response, as measured in the SoundGuys lab. Frequency in hertz.
Frequency (Hz)	Response (dB)
20	-4.3
25	-4.2
32	-4.7
40	-4.9
50	-5.3
63	-4.3
80	-4.1
100	-7.4
125	-9.9
160	-11.7
200	-10.1
250	-8.7
315	-9.2
400	-7.1
500	-2.0
630	-0.9
800	1.0
1000	-0.0
1250	-1.4
1600	-4.9
2000	-0.2
2500	5.0
3150	4.6
4000	0.6
5000	-2.8
6300	5.7
8000	7.4
10000	3.2
12500	-3.0
16000	-14.0
20000	-27.2

Belkin SoundForm Isolate

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

Belkin SoundForm Isolate: passive isolation, as measured in the SoundGuys lab. Frequency in hertz.
Frequency (Hz)	Attenuation (dB)
21	-6.4
26	-2.6
33	0.7
41	-0.9
52	-0.9
65	-1.9
82	-2.1
103	-1.5
130	-1.4
163	-1.9
205	-3.0
259	-3.0
325	-0.9
410	0.7
516	2.3
613	3.0
772	8.5
972	15.7
1220	23.4
1540	22.8
1940	25.1
2440	33.7
3070	26.8
3870	26.7
4870	33.6
6130	37.1
7720	38.7
9720	38.9
12200	37.2
15400	32.8
19400	30.3

Belkin SoundForm Isolate

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

Belkin SoundForm Isolate: noise cancelling, as measured in the SoundGuys lab. Frequency in hertz.
Frequency (Hz)	Total attenuation (dB)
21	4.5
26	5.6
33	5.5
41	7.0
52	14.4
65	6.8
82	12.1
103	17.5
130	22.9
163	21.8
205	20.4
259	16.8
325	12.0
410	3.4
516	3.4
613	4.3
772	7.4
972	12.0
1220	18.8
1540	16.1
1940	18.3
2440	29.0
3070	25.2
3870	26.1
4870	34.1
6130	36.2
7720	36.8
9720	35.9
12200	32.4
15400	32.4
19400	30.0

SoundGuys review

Read the full review ›

SOUNDGUYS rating

6.6/ 10

Worth a look

Reviewed byAdam BirneyManaging EditorReviewed April 2025

Noise cancelling7.3

Isolation6.3

Battery life9.9

Comfort & fit5.0

Connectivity8.0

Design5.0

The verdict

The Belkin SoundForm Isolate delivers decent performance at an impressively low price point. While they won't compete with premium options in sound quality or comfort, they offer functional ANC, great battery life, and plenty of connectivity options. Ideal for budget-conscious buyers or as a first pair of wireless headphones for younger users who might not treat expensive gear gently.

✓What we like

✓Affordable

✓Great battery life

✓Bluetooth Multipoint and both USB-C and 3.5mm wired options

✓Unique "Isolate Mode" with ocean sounds for relaxation

✕What could be better

✕Poor sound quality, not enough bass

✕Uncomfortable for extended listening

✕Limited earcup rotation

Read the full SoundGuys review →