The JBL C100SI is the classic that outsold its category: an ultra-light wired in-ear with JBL’s signature bass from 9mm drivers, a one-button mic remote, and a price that makes it the default answer to “just need earphones”. Millions sold, for the simplest reason — it does the job.
Featherweight
Barely-there comfort
At a few grams per bud with soft silicone tips, the C100SI wears for hours — the angled design sits naturally in the ear canal without pressure points.
JBL bass
9mm drivers, signature tuning
JBL’s bass-forward sound at its most accessible — music with energy from a pair that costs less than lunch.
Essentials
Mic + single-button remote
Calls, play/pause and track skip from the inline button; the noise-isolating in-ear fit keeps podcasts intelligible on the street.
Right choice if you…
✔ Want the cheapest real JBL — not a no-name
✔ Need light earphones for hours of podcasts
✔ Keep backups in every bag and drawer
✔ Buy for family, staff or spares in multiples
JBL C100SI — Technical Specifications
| Brand | JBL (Harman) |
| Colour | Black |
| Type | Wired in-ear, 3.5mm |
| Drivers | 9mm dynamic |
| Remote | One-button + microphone |
| Weight | Ultra-light (<15g) |
| MPN | JBLC100SIBLK |
| EAN / GTIN | Printed on retail packaging |
| Warranty | Manufacturer warranty |
In the Box
Frequently Asked Questions
How is the sound for the price?
Bass-forward and lively — the point of the C100SI is real JBL tuning at pocket-money cost; it beats bundled and no-name pairs clearly.
Does the mic work for calls and voice notes?
Yes — the inline mic handles calls and voice messages on phones and laptops via the 3.5mm combo jack.
Do the tips come in sizes?
Three sizes in the box — the right seal is what unlocks the bass, so try all three.
Is it durable enough for daily use?
Treated like earphones (not like string), yes — and at this price a spare pair in the drawer is the real durability strategy.
Condition
Brand New — Retail Packaging
Warranty
Manufacturer warranty
Delivery
4–5 Working Days · Fully Tracked
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