★★★★★ 4.0 · 56 verified Trustpilot reviews Perfect-Fit Technology™ Made in the USA
CEP · Communication Ear Pieces · Custom Adapter

The Earpiece The Pros Trust — Finally Molded To You.

CEP puts comms right in your ear under the helmet — but the stock tips slip, leak, and break their seal exactly when you can’t reach up to fix them. We mold a custom adapter to the shape of your ear so your CEP seats once, seals under pressure, and stays put through the whole sortie.

★★★★★ 4.0 · 56 verified Trustpilot reviewsSeals under a helmetHand-built in the USAPerfect-Fit Promise
Your custom CEP earpiece adapter — molded to your ear, shown in clear
Your custom CEP earpiece adapter — molded to your ear, shown in clear
Before you order — please read

Hand-built to order. It takes time, by design.

Every pair is molded to an impression of your ear and built one at a time, by hand, in our South Carolina lab. Nothing is pulled off a shelf — which is why it fits like nothing else, and why it’s worth the wait. Plan on 35–40 business days of build time (about 7–8 weeks) from the day your impressions reach us. With the impression kit and return shipping on the front end, the full timeline from order to doorstep runs longer still. If you need protection for something next week, this isn’t it — but if you want the best-fitting protection you’ll ever wear, it’s worth every day.

1Order today

Pay in full and reserve your place in the build queue.

2Impressions — the clock starts

Your home kit ships out. The 35–40 business days begin the day your impressions reach our lab, so send them back quickly.

3Hand-built & shipped

Crafted to your exact ear with an update at every stage, then shipped to you with tracking.

We never leave you wondering
You’ll get an update at every stage of the build, and the Perfect-Fit Promise means we don’t stop until it’s right. See exactly what to expect, stage by stage →
The problem

Under a helmet, a generic tip doesn’t stand a chance.

Pull on a helmet, turn your head, take some G — and a one-size foam tip shifts. The second it breaks seal, the noise pours in and your comms go muddy at the worst possible moment. You can’t exactly reach up and reseat it mid-task.

CEP earns its place because the audio sits right at the eardrum — but that only works if the tip actually seals and holds. A generic tip is the one part that wasn’t built for your ear.

The fix

A seal that survives the helmet.

We take an impression of your ear and hand-build a custom adapter for your CEP earpieces. It locks to the shape of your canal, so a helmet, head movement, or G-load can’t break the seal.

The result: comms that stay clean and consistent from start-up to shutdown, and protection that holds when it matters most.

1Order & pay

Pick your finish and check out. You pay in full today and your build slot is reserved.

2Impression kit

It ships right away. Mold both ears at home in 10–15 minutes with a guided video, or visit a provider.

3We hand-build

Crafted in the USA to your exact anatomy — with updates at every stage.

4Go

It ships with tracking. Seat your CEP earpieces and they stay sealed all sortie.

Red and blue custom CEP adapters on a pedestal
One impression, your color — friction-fit to the CEP you already run.

The product — and the people who run it

Studio-clean. Field-proven.

A blue custom CEP adapter, studio macro on black
Cast in your color — glacier blue, engraved with the owner’s initials.
A custom CEP adapter friction-fit onto the earpiece with case
Fits your CEP
The adapter friction-fits onto your CEP earpiece — no glue, no tools, a firm grip that pops on and off.
A matched pair of clear custom CEP adapters in hand
A matched pair
Molded left and right to your exact ears for a seal foam can never match.
A clear custom CEP adapter held in the field
Ready for the field
Built to seal and stay put under a helmet, on the move.
Custom CEP adapters on the earpieces beside the case
In the kit
Drops straight into your CEP case and daily carry.
A red custom CEP adapter, studio macro on black
Or bright red. From clear to bold, the shell is yours to spec.
What you get

Built for the mission.

Holds under a helmet

Custom fit resists the shift a helmet forces on a generic tip.

Comms that stay clean

A consistent seal keeps audio crisp through the whole sortie.

No reseating mid-task

Seats once and stays — your hands stay where they belong.

All-day comfort

Spreads pressure across your ear — no hot spots under the helmet.

Built for your CEP

A custom adapter for the earpieces you already run.

Hand-built in the USA to last

Medical-grade silicone, made to take it.

Big Ear CEP communication earpiece adapters
Custom CEP adapters — a sealed, all-day fit for your comms earpiece.
Big Ear video
Watch: how the custom aviation adapters work — Clarity Aloft, Bose ProFlight & CEP
Straight answers

Straight answers for CEP users.

Will it fit my CEP earpieces?
Yes — we build the custom adapter to mate with your CEP comm earpieces.
Will it hold under a helmet?
That’s exactly what it’s for. A custom seal resists the shift a helmet and head movement force on a generic tip.
Will I still hear comms and alerts?
Yes — more clearly. A clean seal sharpens the audio; you control volume as always.
Comfortable for a long sortie?
Yes. Custom fit spreads pressure across your ear, so there are no hot spots even under a helmet for hours.
How do you get my impression?
Home impression kit with a guided video — about 10–15 minutes with a helper — or visit one of our 50+ providers.
Are the earpieces included?
No. This is a custom adapter for the CEP you already own.
How long, and will I know where it is?
Hand-built in 35–40 business days from when your impressions arrive, with an update at every stage.
What if the fit isn’t right?
Our Perfect-Fit Promise: we adjust or remake it until it’s exactly right.
★★★★★

4.0 across 56 verified Trustpilot reviews

From pilots and riders to musicians and swimmers — the trusted name in custom hearing protection, hand-built in the USA.

★★★★★

“The isolation, clarity and headroom are seriously impressive. These blow my old Shures away — the custom fit makes all the difference.”

— John P. · Musician
★★★★★

“Best plugs I have ever used. Hands down the clearest audio I have owned, and they stay put no matter what. Wish I had done this years ago.”

— David S. · Swimming
Secure checkout90-day fit warrantyPerfect-Fit PromiseHome impression kitHand-built in the USA
No risk

If it’s not right, we make it right.

Custom gear is a leap of faith the first time — so we take the risk off your shoulders. If your adapter isn’t a flawless fit when it arrives, we adjust or remake it until it is. That’s the Perfect-Fit Promise, and it’s why pilots come back for their second and third set.

Hand-built to order — about 7–8 weeks
35–40 business days from the day your impressions reach us, and longer once you add the impression kit and return shipping. This is bespoke gear, not off-the-shelf — please order with the wait in mind. You’ll get an update at every stage.
Sealed every sortie

Seal it once. Trust it every sortie.

Build a custom adapter for the CEP earpieces you already run.

Watch & learn

See the adapters before you order

Real reviews and pilot how-tos for the Bose ProFlight, Clarity Aloft, CEP and more — the adapters that mold your headset to your ear.

Clarity Aloft Custom Aviation Adapters
Clarity Aloft Custom Aviation Adapters
149K views · Our #1 video
Adapters Compared: Clarity Aloft, Bose ProFlight & CEP
Adapters Compared: Clarity Aloft, Bose ProFlight & CEP
3K views · Pilot guide
Is Clarity Aloft Good for Noisy Cockpits?
Is Clarity Aloft Good for Noisy Cockpits?
Pilot Q&A
See all 2,100+ videos on Earplug TV →
The Big Ear Path
  1. 01Discover
  2. 02Decide
  3. 03Design
  4. 04Order
  5. 05Enjoy the best you’ve ever owned
Your next step

Every custom piece begins with a mold of your ear. The impression kit is free.

Start with your ears