Completely-in-Canal (CIC) hearing aids are custom-molded devices that sit entirely inside your ear canal. From the outside, they’re nearly invisible — only a tiny removal handle is visible if you look closely. For patients who prioritize cosmetic discretion, CICs are a compelling option. Here’s the patient guide to who they work for, the trade-offs involved, and how we determine candidacy.
What CIC Hearing Aids Are
A CIC hearing aid is custom-shaped to your specific ear canal geometry, taken from impressions made in our office. The completed device sits deep inside the canal — deeper than ITE or ITC styles — with all electronics, microphone, speaker, and battery housed in the custom shell. A small clear removal handle (or thin string) extends from the device so you can pull it out daily.
What Makes CICs Different
The two defining characteristics of a CIC compared to other custom hearing aids:
- Cosmetic invisibility. CICs are the most discreet daily-removable hearing aid. From conversational distance, they’re effectively undetectable.
- Natural use of ear anatomy. Sitting deep in the canal lets the natural shape of your outer ear collect and direct sound, similar to how it would naturally. Many patients describe CIC sound as feeling more “real” than ear-mounted styles.
Who CIC Works For
- Mild-to-moderate hearing loss. The smaller speaker has limits compared to larger styles.
- Adequate ear canal size. Some patients have canals that are too narrow or too short for safe CIC placement. We assess this during your fitting consultation.
- Manual dexterity to insert and remove daily. CICs are small, and inserting them requires steady fingers.
- Patients who prioritize discretion. If “will people see my hearing aids?” is a major concern, CICs eliminate that worry almost entirely.
- Patients with healthy ear canal skin. Persistent eczema, infections, or recurrent earwax issues can make CICs less suitable.
Trade-Offs Compared to Other Styles
CICs offer cosmetic advantages but trade off several technical capabilities:
Smaller batteries, shorter wear time
CICs use small zinc-air batteries (size 10) that typically last 3–5 days, compared to a week or more in larger devices. Some newer CIC platforms support rechargeable batteries, but this is still less common than in RIC and BTE form factors.
Limited directional microphone benefit
Larger hearing aids have two microphones spaced apart, which lets the device detect the direction a sound is coming from and emphasize the front (where you’re looking, presumably at the person you’re talking to). CICs are too small for two well-spaced microphones, so they rely on the natural “directionality” provided by the ear’s anatomy. For quiet environments, this is fine. For noisy restaurants, it’s a real limitation.
Less Bluetooth and accessory support
Some CICs do support phone streaming, but it’s less universal and often less feature-rich than what RIC or BTE devices offer. If you want to stream music, take phone calls, or use a TV streamer, ask us specifically about CIC streaming options.
More frequent earwax issues
Because CICs sit deep in the canal, they’re in more direct contact with cerumen (earwax), which can clog the speaker port. We provide simple cleaning tools and demonstrate daily care. Patients with naturally heavy wax production may find RIC or BTE styles less maintenance-intensive.
Custom Fitting Process
CICs are built from impressions of your ear canal. The process at Florida Hearing Matters:
- Hearing evaluation. We confirm your audiogram is appropriate for CIC.
- Otoscopic exam. We confirm your ear canal anatomy can safely accommodate a CIC.
- Ear impressions. A soft silicone material is placed in your canal for a few minutes to capture the exact shape. Painless and quick.
- Manufacturing. The impressions are sent to the manufacturer, which builds the custom shell. Typically 1–2 weeks.
- Fitting and Real-Ear Measurement verification. When the devices arrive, we fit them, program them to your audiogram, and verify the actual amplification at your eardrum with REM.
- Follow-up. We schedule visits at 1 week, 1 month, and 3 months post-fitting for fine-tuning.