What's the difference between LC3 and LDAC codecs on the Sony WF-1000XM6?

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Two codecs, two completely different jobs on your Sony WF-1000XM6. Here's when to use which.

LDAC: When you want the best sound

LDAC is Sony's baby—a high-resolution codec that can push up to 990kbps of audio data. That's roughly three times what standard Bluetooth delivers. If you're listening to hi-res tracks from Tidal or Amazon Music HD, LDAC is how you actually hear that quality difference.

The downside? Higher latency. There's about 100-200ms delay between what happens on screen and what you hear. For music, that's totally fine. For gaming or video? Annoying.

Also worth knowing: LDAC only works on Android. iPhone doesn't support it, and it turns off automatically when you're connected to two devices via multipoint.

LC3: When speed matters more than quality

LC3 is the codec used by LE Audio, and its whole deal is low latency. We're talking 30-50ms delay—fast enough that most people can't perceive it.

The audio quality at 320kbps is still good, just not audiophile-grade. You probably won't notice during gaming or video calls, which is exactly when you'd use this mode.

So which one should you pick?

Use LDAC when:

• You're sitting down for a dedicated listening session
• You're on Android and have hi-res music files
• Latency doesn't matter

Use LC3 when:

• You're gaming
• You're watching videos or movies
• You're on video calls
• Lip-sync issues bother you

The annoying part

Switching between them isn't seamless. You need to toggle "LE Audio Priority" in the app and sometimes re-pair the earbuds. Not a huge deal, but it's not a one-tap switch either.

For what it's worth, I leave mine on LDAC most of the time and only switch to LC3 when I'm specifically gaming.