DJI Osmo Action 4 · Microphone adapters

Which microphone adapters fit DJI Osmo Action 4?

2 products have passed evidence review for this device. All of them fit without a limitation. None of them include an additional note.

Every answer cites a source

Compatibility evidence checked: Jul 30, 2026
Page materially updated: Jul 30, 2026
Retailer link checked: Jul 30, 2026
Model identity checked: Jul 29, 2026

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Scoped toDJI Osmo Action 4All accessories for this device

The answers

Microphone adapters for DJI Osmo Action 4, one by one

Whether it fits is settled first. Whether it is worth buying is a separate label.

Is DJI Osmo Action 3.5mm Audio Adapter compatible with DJI Osmo Action 4?

DJI Osmo Action 3.5mm Audio Adapter

DJI

Yes, it fits.CompatibleUse-case specific

DJI lists the secure 3.5 mm microphone adapter for Action 4, 5 Pro, and 6.

Confirmed by qualifying manufacturer evidence
No conflicting evidence found

Manufacturer confirmedVerified Jul 30, 2026USFeature parity: Full

The source behind this answer

DJI — Osmo Action 3.5mm Audio AdapterLocationListing for "DJI Osmo Action 3.5mm Audio Adapter"SupportsDJI explicitly lists Action 4, Action 5 Pro, and Action 6 compatibility.First-party documentation · Accessed Jul 30, 2026

View on Amazon

Is DJI Osmo Action Cold Shoe Expansion Kit compatible with DJI Osmo Action 4?

DJI Osmo Action Cold Shoe Expansion Kit

DJI

Yes, it fits.CompatibleUse-case specific

DJI lists the dual cold-shoe expansion adapters for Action 4 and 5 Pro.

Confirmed by qualifying manufacturer evidence
No conflicting evidence found

Manufacturer confirmedVerified Jul 30, 2026USFeature parity: Full

The source behind this answer

DJI — Osmo Action Cold Shoe Expansion KitLocationListing for "DJI Osmo Action Cold Shoe Expansion Kit"SupportsDJI explicitly lists Action 4 and Action 5 Pro compatibility.First-party documentation · Accessed Jul 30, 2026

View on Amazon

Side by side

Comparing these microphone adapters

Attribute	DJI Osmo Action 3.5mm Audio Adapter	DJI Osmo Action Cold Shoe Expansion Kit
Fits DJI Osmo Action 4	Compatible	Compatible
Worth buying	Use-case specific	Use-case specific
Adapter count	Not recorded	2
Maximum accessory weight g	Not recorded	200
Microphone input mm	3.5 mm	Not recorded
USB c pass through charging	Yes	Not recorded
Made by	DJI	DJI
Part number	Not recorded	Not recorded
Note before buying	None recorded	None recorded
Evidence	Manufacturer confirmed	Manufacturer confirmed

Bottom line

Which of these is for you

Fit is settled above. This is who each one suits once fit is no longer the question.

DJI Osmo Action 3.5mm Audio AdapterWorth buying only for the use it is built around. The only one on this page recording Microphone input mm — 3.5 mm; USB c pass through charging — Yes.
DJI Osmo Action Cold Shoe Expansion KitWorth buying only for the use it is built around. The only one on this page recording Adapter count — 2; Maximum accessory weight g — 200.

Already own one of these?

Which of these microphone adapters also fit another device

Fit rarely carries across generations, so this lists only the exact models each product is separately documented to fit.

Product	Also documented to fit
DJI Osmo Action 3.5mm Audio Adapter	DJI Osmo Action 6, DJI Osmo Action 5 Pro
DJI Osmo Action Cold Shoe Expansion Kit	DJI Osmo Action 5 Pro

Common wrong buys

What looks like it fits DJI Osmo Action 4 but does not

These sit in the same microphone adapters aisle and are confirmed for a different exact model. We have no published answer saying any of them fits DJI Osmo Action 4, so treat them as unverified for this device rather than as a fit.

SmallRig Quick Release Support with Cold Shoe Adapter for Action 6Confirmed for DJI Osmo Action 6. Not confirmed for DJI Osmo Action 4.

Same device

Other accessories for DJI Osmo Action 4

See the full device guide

Batteries2 products Carrying cases2 products Chargers2 products Filters2 products Mounts2 products Protective housings2 products Selfie sticks2 products

Different device

Microphone adapters for other DJI Osmo models

Fit rarely carries across generations. Each of these is checked against its own device.

DJI Osmo Action 62 products DJI Osmo Action 5 Pro2 products

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