The BLON BL-03 II ranks #505 out of 668 total In-Ear Headphones for sound quality. See all Headphones rankings for every top pick.
Brand: BLON
Prices on this page were last checked October 12, 2026 at 4:13 PM UTC. Product prices and availability are accurate as of that date/time and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.
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#505 BLON BL-03 II eBay
Older model: the BLON BL-03 (ranked lower, rated 2.6/5). See every BLON BL-03 generation.
Pros: Bass is lifted about 3.8 dB with extension to 20 Hz, giving kick drums and bass lines extra weight. Upper treble lifts about 5.4 dB for extra air and sparkle. Lower mids sit within about 0.7 dB of target, keeping voices and guitars natural. It uses 1 x 10mm dual-cavity dynamic with an easy 32 ohm load.
Cons: A 5.9 dB peak near 11.9 kHz can make cymbals and sibilance sound sharp.
| Released | 2025 (1 year ago) |
|---|---|
| Back | Closed |
| Connection | Wired |
| Deviation From Target | 2.26 dB standard deviation |
| Driver Type | Dynamic |
| Drivers | 1 x 10mm dual-cavity dynamic |
| Form Factor | In-ear |
| Frequency Response | 20Hz - 20kHz |
| Harman Preference Score | 66 (median of 10 squig.link measurements, calibrated to AutoEQ) |
| Impedance | 32 ohms |
| Sub-bass Extension | Within 6 dB of target down to 20 Hz (+1.5 dB at 30 Hz) |
| Tonal Tilt | -0.87 (negative is warmer, positive brighter) |
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