BLON BL-05s Review: Ranked #369 of 996

Last updated: October 14, 2026

The BLON BL-05s ranks #369 out of 996 total In-Ear Headphones for sound quality. See all Headphones rankings for every top pick.

Brand: BLON

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BLON BL-05s - ranked #369 of 996 In-Ear Headphones · Editor's rating 4/5

#369 BLON BL-05s Discontinued eBay

Pros: A budget single dynamic IEM that measures well (score 74), with bass on target.

Cons: Discontinued, so it is mainly found used, and treble sits about 2.4 dB below target.

Released2021 (5 years ago)
BackClosed
ConnectionWired
Deviation From Target2.00 dB standard deviation
Driver TypeDynamic
Drivers1 x 10mm dynamic
Form FactorIn-ear
Harman Preference Score74 (median of 4 squig.link measurements, calibrated to AutoEQ)
Sub-bass ExtensionWithin 6 dB of target down to 20 Hz (-1.3 dB at 30 Hz)
Tonal Tilt-0.25 (negative is warmer, positive brighter)

Frequency Response

How the BLON BL-05s measures across the audible range, against the Harman in-ear target that most listeners prefer in blind tests. Where the line sits above the target that range sounds louder (more bass, brighter treble), below it quieter. The curve is the median of 4 independent measurements, so one odd sample or rig cannot skew it, and both lines are shifted so their 500 Hz to 2 kHz average sits at 0 dB.

BLON BL-05sHarman target
Measured frequency response of the BLON BL-05s-24-18-12-60+6+12+18dB20501002005001k2k5k10k20k

Measurement data: median of 4 measurements from the squig.link databases of achoreviews, bedrock, pw and vortexreviews. Thanks to each of them for publishing their work.

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