AB Marvel CI (Naida M90) Ear Hook Replacement – M-Hook

The Marvel CI Ear Hook is a replacement M-Hook for the Advanced Bionics Naída CI M90 and Naída CI M30 sound processors. It is the curved piece on top of the processor that rests over your ear and keeps the processor in place all day.

An ear hook is a small, inexpensive part, but it does a lot of work. It flexes every time you put the processor on, it takes knocks from glasses and hats, and it is easy to lose. When it cracks or loosens, the processor starts to slip, and a slipping processor can tug on the headpiece and interrupt your sound. A spare hook in your kit is a simple fix.

Marvel CI Ear Hook at a glance

Fits	Advanced Bionics Naída CI M90 and Naída CI M30 (Marvel)
Style	M-Hook ear hook
Price	$28
Dispatch	Within 24–48 hours, tracked
Guarantee	Wrong or defective item replaced or refunded within 14 days
Before you order	Send a photo of your processor on WhatsApp if you are unsure

The Marvel CI Ear Hook is sold as a single replacement hook. Because it is low cost, many people order two at once, so one can stay in a travel bag or a school kit.

Will this Marvel CI Ear Hook fit my processor?

Processor	Fits?	Notes
Naída CI M90 (Marvel)	Yes	This ear hook
Naída CI M30 (Marvel)	Yes	This ear hook
Sky CI M90 (Marvel, for children)	Ask us first	Send a photo so we can confirm the fit
Naída CI Q30, Q70 or Q90	No	Q-series processors use a different hook and T-Mic 2
Phonak Naída hearing aids	No	These are hearing aids, not cochlear implant processors

Search results for a Naída ear hook often show hooks for Phonak Naída hearing aids. Those are a different product family. This hook is for the Naída CI M90 and M30 cochlear implant processors only.

Your processor model is printed on its body. A Marvel processor has an M in its name. If yours says Q30, Q70 or Q90, look at the matching Q-series T-Mic 2 instead, such as the Naida CI Q90 T-Mic 2.

Why keep a spare Marvel ear hook

Marvel is the current Advanced Bionics platform, so this part is not hard to find. The reason to keep a spare is that small parts fail at awkward moments.

• Ear hooks crack when a processor is dropped or sat on.
• They loosen over months of putting the processor on and taking it off.
• They get lost when the processor comes off during sport, swimming trips or play.
• Children chew, bend and swap parts more than adults do.

A spare Marvel CI Ear Hook costs little and turns a loose or broken hook into a one-minute repair. Without one, you may spend days holding the processor in place or taping it, which is uncomfortable and puts strain on the headpiece cable.

Ordering the right part: names you may see

This part goes by several names. We list it as the M-Hook. Other shops and users may write Marvel CI earhook, Marvel ear hook or Naida M90 ear hook. They all describe the same kind of part: the hook that holds a Marvel processor on the ear.

What matters is the processor it fits. The Marvel CI Ear Hook is made for the Naída CI M90 and M30. If you are buying for someone else, such as a parent or a child, ask them for a photo of the processor first, or send it to us and we will confirm.

Ear hook or T-Mic: which do you need?

On Naída CI processors, the ear hook and the T-Mic attach at the same point, so most people wear one or the other. The choice depends on how your clinic set up your processor.

Option	What it does	You have this if
Ear hook (M-Hook)	Holds the processor on the ear. Sound is picked up by the microphones on the processor.	You wear a plain hook with no wire going into the ear
T-Mic	Holds the processor and places a small microphone at the entrance to the ear canal.	You have a thin stem with a small microphone tip near your ear canal

If you currently wear a T-Mic and it is damaged, an ear hook will hold the processor on, but your microphone setup will change. Talk to your clinic before switching, and see the Marvel CI T-Mic if you want to keep the T-Mic.

Signs your Marvel CI Ear Hook needs replacing

• The processor slips forward or falls off your ear more than it used to
• The hook feels loose where it joins the processor
• A crack, a split or a sharp edge on the plastic
• The hook has gone stiff or brittle, or changed color
• It rubs or presses behind the ear in a way it did not before
• The hook is missing after sport, a swim trip or a busy day

A worn hook rarely fails all at once. If you notice yourself pushing the processor back into place several times a day, the hook is probably the cause.

How to change the Marvel CI Ear Hook

1. Turn the processor off.
2. Hold the processor body firmly in one hand.
3. Remove the old hook as shown in your user guide, easing it straight off without twisting the processor.
4. Check the attachment point is clean. Wipe away dust or skin oil with a dry cloth.
5. Line up the new hook and press it on until it sits firmly.
6. Put the processor on your ear and check it feels secure when you move your head.

Never pull hard on the headpiece cable while changing the hook. If the hook will not come off easily, stop and check the user guide, or send us a short video so we can help.

Troubleshooting fit and comfort

Problem	Likely cause	What to try
Processor still slips with a new hook	Headpiece cable too short and pulling	Check your cable length
Hook feels loose on the processor	Not fully pressed on	Remove and refit it firmly
Sore spot behind the ear	Hook position or glasses pressing on it	Adjust glasses arms to sit outside the hook
Processor falls off during sport	Movement and sweat	Use a sports band or a retention clip
Hook cracks again quickly	Drops or pressure in storage	Store the processor in a hard case

Keeping the processor secure during sport and play

Sport, running and play are the times when hooks are lost and processors fall. A good hook is the first line of defense, and a few extra steps help.

• Fit a fresh hook before a sports season or a holiday.
• Use a headband, cap or retention clip that your clinic recommends.
• Take the processor off for contact sports if your clinic advises it.
• Teach children to hand the processor to an adult rather than putting it in a pocket.
• Keep a spare hook in the sports bag.

Parents often find that a spare Marvel CI Ear Hook at school, at a grandparent’s house and in the car saves a lot of stress. The hook costs little; a lost day of hearing costs much more.

Wearing glasses, masks or hats with a Marvel processor

Anything else that sits over the ear competes with the processor for space. Glasses arms, face mask loops and tight hats all press on the hook and can push the processor out of position.

• Let glasses arms sit outside the hook, not underneath it.
• Choose face masks that tie behind the head, or use a mask extender, so loops do not catch the processor.
• Pull hats on from the front and take them off slowly, holding the processor in place.
• After any of these, check the headpiece is still centered over the implant.

A firm, undamaged Marvel CI Ear Hook makes all of this easier, because the processor springs back into place instead of sliding forward. If you wear glasses every day, check the hook more often for cracks where the arms rub.

How to make your Marvel CI Ear Hook last longer

• Store the processor in a hard case when it is off your ear.
• Do not bend the hook to change its shape.
• Keep it away from heat, such as hair dryers or a car dashboard.
• Wipe it with a dry cloth; avoid alcohol and cleaning sprays.
• Dry the processor overnight in an electric processor dryer, which also keeps the hook free of sweat.

Hooks are a wear part. Even with care, they loosen and harden over time, so replacing them from time to time is normal.

Is a replacement ear hook safe for my Marvel processor?

Yes. This is a third-party replacement, not a part made by Advanced Bionics. It is shaped to the same size and fitting as the hook it replaces, and we check every hook before dispatch.

An ear hook has no electronics, so it cannot change your hearing program. Its only job is to hold the processor comfortably and securely. If it arrives defective or is the wrong item, we replace it or refund you.

Shipping, payment and returns for the Marvel CI Ear Hook

Every Marvel CI Ear Hook order is packed and dispatched within 24–48 hours with tracking. Delivery usually takes 12–22 business days worldwide, and duties are handled for you on most routes, so there is nothing extra to pay at the door. Shipping is free on orders over $250, which is easy to reach if you add a spare cable or charger.

Payment runs through a secure payment gateway with all major cards. If we send the wrong item, or the part arrives defective or damaged, message us within 14 days with a short video. We replace it or refund you, and we cover the return shipping. Change-of-mind returns are not accepted on hygiene-sensitive hearing parts. Full details are in our return policy.

Other Naida CI M90 and M30 parts you may need

Keep your Naida CI M90 and M30 working with these matching spares:

• AB Marvel rechargeable battery – a spare battery for long days
• Marvel battery charger – overnight charging for your batteries
• Marvel CI T-Mic – if you prefer a microphone at the ear canal
• Electric dryer for processors – nightly drying for processor and hook

Marvel CI Ear Hook FAQ

Is the M-Hook the same as a Phonak Naída ear hook?

No. Phonak Naída hearing aid hooks are a different product. This hook is for the Naída CI M90 and M30 cochlear implant processors.

Does it fit the Naída CI M30?

Yes. It fits both the Naída CI M90 and the Naída CI M30.

Will it fit my Naída CI Q90?

No. Q-series processors use their own hook and T-Mic 2.

Can I use an ear hook instead of my T-Mic?

It will hold the processor, but your microphone setup changes. Ask your clinic before switching.

Do I need tools to change it?

No. Follow the steps above and your user guide.

How often should I replace the hook?

When it feels loose, cracks or hardens. Many people simply keep a spare and swap it when the processor starts to slip.

Why does my processor still slip with a new hook?

A short headpiece cable can pull the processor. Check your cable length, and consider a sports band for active days.

Can children use this hook?

It fits Naída CI M90 and M30 processors. For a Sky CI M90, send us a photo so we can confirm first.

Can I order two hooks at once?

Yes. Many people keep one on the processor and one in a travel bag or school kit.

Questions about your Naida CI M90 and M30? Message us on WhatsApp (+1 520 473 4179) with a photo of your processor and we confirm the right part before you pay.