Phonak Certéna ITE

Phonak Certéna ITE hearing aid accessories & compatibility guide | Japebo

Looking for accessories for your Phonak Certéna ITE? This guide helps you identify what fits Phonak Certéna ITE (in-the-ear) hearing aids, understand the most common accessory types, and choose the right replacement parts with confidence.

What is Phonak Certéna ITE?
Phonak Certéna ITE refers to a Certéna hearing aid built in an ITE (In-The-Ear) shell. Because the electronics sit inside an ear-moulded casing, many “universal” Phonak parts (like receiver wires and external domes used on RIC models) typically do not apply. Instead, Certéna ITE users most often need maintenance items such as wax protection, batteries, and cleaning tools.

Compatibility basics for Phonak Certéna ITE accessories
With ITE hearing aids, compatibility is usually determined by:
1) Your exact shell style (ITE / ITC / CIC)
Certéna ITE can exist in slightly different in-ear sizes. More compact variants may use different wax protection systems or battery sizes than larger ITE shells.

2) The wax protection system in your sound outlet
The most important “fit” question for ITE accessories is which wax guard / wax filter your instrument uses. There are several common systems across the market, and they are not interchangeable. If you are unsure, compare the shape/color of your current wax guard or check your user documentation from your hearing care professional.

3) Your battery size
Phonak Certéna ITE hearing aids typically use zinc-air hearing aid batteries. The correct size depends on the shell and power needs, so always confirm the number printed on your battery packaging (e.g., 10, 312, 13).

Most common accessories for Phonak Certéna ITE

Wax guards / wax filters (most frequently replaced)
Earwax is the most common cause of weak sound or no sound in ITE devices. A fresh wax guard can often restore normal performance immediately.
Choose a wax guard that matches your current system (same type/shape). If your current wax guard is missing, look closely at the opening (sound outlet) and any holder/insert in the tip—this usually indicates the system used.

Hearing aid batteries
Use only the battery size intended for your device. If the battery door is hard to close or the battery feels loose, it’s often the wrong size.
Tip: For best performance, remove the sticker and let the battery “air up” for about a minute before inserting.

Cleaning and care
Regular cleaning helps prevent blockages and moisture issues. Typical helpful items include a soft brush, cleaning wipes, and (if relevant) a drying solution. Keep the microphone ports clean and avoid pushing debris into openings.

How to choose the right part (fast checklist)
Step 1: Confirm it’s a Certéna ITE
Certéna ITE sits fully in the ear and has no external thin tube or receiver wire. If you have a behind-the-ear or RIC style, you’ll need a different accessory type.

Step 2: Identify your current wax guard type
The safest way to buy the correct wax filters is to match what you already use. If you still have the original tool/box for wax guards, use that as the reference.

Step 3: Match your battery number
Check the number on the battery package you currently use and buy the same size.

Common problems (and what to try first)
No sound or слаб/weak sound
Most often: wax blockage. Replace the wax guard and check the sound outlet is clear. Also try a fresh battery.

Sound is distorted or intermittent
Try replacing the battery, then replace the wax guard. Moisture can also cause intermittent issues—drying overnight can help.

Whistling/feedback
Ensure the device is inserted correctly and the sound outlet isn’t partially blocked. If whistling persists, the fit may have changed and you may need professional adjustment.

Where to buy Phonak Certéna ITE accessories
At Japebo, you can find compatible maintenance items for Phonak in-ear hearing aids. If you’re uncertain about wax guard type or battery size, choose based on what you currently use—or contact support with a photo of the sound outlet and your existing wax guard packaging for the fastest match.

FAQ: Phonak Certéna ITE accessories
Are Phonak domes compatible with Certéna ITE?
Usually not. Domes are typically used on RIC or thin-tube behind-the-ear fittings. Certéna ITE is an in-ear shell and normally uses an integrated sound outlet with wax protection instead.

How often should I change the wax guard on my Certéna ITE?
It depends on earwax production and use, but many users replace wax guards every few weeks or whenever sound becomes weak or muffled.

What battery does Phonak Certéna ITE use?
It depends on the exact ITE shell size. Check the number on your current battery packaging (e.g., 10/312/13) and buy the same size.

I don’t know which wax filter I need—what should I do?
Match the wax filter to the one currently in your device (or the packaging/tool you already have). If that’s not possible, compare the sound outlet and consider getting help identifying the correct system before ordering.