
JBL Live 670NC
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1 owner
The battery beat their expectations
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1 / 6The world of cheap kids' headphones is a bit hairy
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above average for on-ear headphones — based on 41 of 62 we've cataloged.
below average for on-ear headphones — based on 34 of 62 we've cataloged.
below average for on-ear headphones — based on 50 of 62 we've cataloged.
Objective measurements from the SoundGuys test lab — overlay other models to see how this one compares.
Belkin SoundForm Mini Frequency Response (measured on a B&K 5128)
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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.
| Frequency (Hz) | Response (dB) |
|---|---|
| 20 | -20.8 |
| 25 | -18.4 |
| 32 | -16.3 |
| 40 | -14.2 |
| 50 | -12.4 |
| 63 | -11.2 |
| 80 | -9.2 |
| 100 | -7.6 |
| 125 | -6.2 |
| 160 | -5.2 |
| 200 | -4.9 |
| 250 | -3.8 |
| 315 | -2.9 |
| 400 | -0.5 |
| 500 | 4.1 |
| 630 | 4.6 |
| 800 | 5.9 |
| 1000 | 5.4 |
| 1250 | 9.6 |
| 1600 | 10.4 |
| 2000 | 6.1 |
| 2500 | 3.6 |
| 3150 | 1.3 |
| 4000 | -6.9 |
| 5000 | 4.5 |
| 6300 | 11.2 |
| 8000 | 8.1 |
| 10000 | 1.8 |
| 12500 | -0.1 |
| 16000 | -7.9 |
| 20000 | -27.8 |
Belkin SoundForm Mini Attenuation (measured on a B&K 5128)
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Solid lines: passive isolation (dB) with ANC off — how much ambient noise the fit blocks on its own. Higher on the chart means more attenuation.
| Frequency (Hz) | Attenuation (dB) |
|---|---|
| 21 | 0.4 |
| 26 | 1.3 |
| 33 | -0.3 |
| 41 | -0.2 |
| 52 | -0.1 |
| 65 | 0.1 |
| 82 | 0.2 |
| 103 | 0.5 |
| 130 | -1.0 |
| 163 | -1.1 |
| 205 | -1.6 |
| 259 | -2.6 |
| 325 | -4.3 |
| 410 | -4.7 |
| 516 | -5.0 |
| 613 | -2.4 |
| 772 | -0.3 |
| 972 | 7.1 |
| 1220 | 6.9 |
| 1540 | 4.3 |
| 1940 | 12.2 |
| 2440 | 18.3 |
| 3070 | 22.4 |
| 3870 | 33.8 |
| 4870 | 27.2 |
| 6130 | 16.1 |
| 7720 | 15.9 |
| 9720 | 13.0 |
| 12200 | 6.5 |
| 15400 | 9.7 |
| 19400 | 16.9 |
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0 of 1 would buy again
1 owner
The battery beat their expectations






