Boom Mic vs Lav Mic: Which Is Better for Video?

What is the difference between a boom mic and a lav mic?

A boom mic is placed just out of frame and aimed at the speaker, while a lav mic is worn on the body. Boom mics usually sound more natural. Lavs are better for movement, wide shots and backup.

The boom mic is a shotgun, supercardioid or hypercardioid mic on a boompole or stand. It captures the voice from above, below or just off camera. Placed well, it gives dialogue space, clarity and a more natural tone.

A lav mic, also called a lavalier or lapel mic, is clipped to clothing or hidden under wardrobe. It stays close to the speaker even when they move, turn, walk or sit in a wide frame.

So the question is rarely which mic is better. It's which mic can get close enough to the voice without creating a new problem or sounding unnatural.

Is a boom mic or lav mic better for interviews?

A boom mic is usually better for controlled interviews, because it sounds more open and natural. A lav mic is still useful as backup, especially when the subject moves, turns away or the shot needs to stay wide.

For sit-down interviews, the boom is generally your primary mic. It avoids shirt noise, necklace taps, jacket rubbing and all the tiny wardrobe problems that can ruin a lav recording.

A lav still earns its place. People lean back. They turn to the interviewer. They gesture. They shift in the chair. Sometimes the camera operator wants a ridiculous wide shot and the boom is way out of frame. In those moments, the lav can save the day.

For an interview setup, the order is:

1. Boom the subject

   The boom is your primary dialogue mic.

2. Add a lav as backup

   It covers turns, leans and wide frames.

3. Record both to separate tracks

   Each mic gets its own isolated track, often called an iso.

4. Let post choose the cleanest source

   The editor picks the best mic for every line.

That workflow is exactly why having a location sound recordist matters. The idea isn't to pull out every mic on set because more gear looks impressive. It's to choose the right tools for the job and come home with dialogue that cuts cleanly in the mix.

When should you use a boom mic?

Use a boom mic when you can place it close to the speaker without dipping into frame. It's usually the best choice for natural dialogue in interviews, documentaries, commercial shoots, narrative scenes and controlled indoor setups.

A boom mic sounds good because it hears the voice from a better position. It's aimed toward the mouth, not buried under clothing or stuck on the chest. That gives the recording more air, detail and realism. Boom mics are the right choice for:

• Sit-down interviews
• Documentary dialogue
• Commercial video shoots
• Scripted scenes
• Podcast video with hidden mics
• Controlled indoor locations
• Outdoor shoots with proper wind protection

The catch is placement. A boom needs space above or below the subject. It also needs coordination with camera, lighting and movement. If the frame is very wide or the ceiling is low, the boom might end up too far away to do the job properly.

We always say: the right tool for the job. That's why we keep a range of boom and shotgun mics, like the famously tough Sennheiser MKH 416, the razor-precise Sanken CS3e, the lush Schoeps Mini CMIT and the impossibly tiny Schoeps CCM 41. Sennheiser lists the MKH 416's pick-up pattern as super-cardioid/lobar, and that tight directivity is why it turns up on so many film, TV and outside broadcast jobs.

When should you use a lav mic?

Use a lav mic when the speaker moves, the frame is wide, the boom can't get close, or you need a safety track. Lavs are practical and reliable when mounted well, but they're not a free pass.

Lav mics solve a different problem. They stay with the person. That makes them useful for presenters, event speakers, walk-and-talk scenes, vox pops, reality setups and fast interviews where the subject keeps moving. Lav mics are useful for:

• Walk-and-talk videos
• Wide interview frames
• Event speakers and panels
• Presenters on location
• Social content shoots
• Reality or documentary coverage
• Backup tracks on your interviews

The problem is the body. Shirts move. Jackets rub. Hair touches the capsule. Necklaces tap. Talent hugs the transmitter pack like it personally offended them. Good lav sound depends on the mic, the mount, the wardrobe and someone actually monitoring the track.

That's why microphone hire isn't just about grabbing any tiny mic and hoping. A Sanken COS11-D, DPA 4060 Core or DPA 4061 Core can sound almost as good as a shotgun mic, but only when it's placed properly.

Wireless systems add another layer. The Sennheiser EW 112P G4 and Lectrosonics LT/LR are great kits, but RF, batteries, clothing and distance still need managing. No messing around there.

Should you record both boom and lav mics?

Yes, record both when the job matters, but keep them on separate isolated tracks. A mixed boom-and-lav track can create phase issues, and it gives post fewer options if one mic rustles, drops out or sounds wrong.

This is the bit a lot of beginner audio advice skips. Using both mics is smart. Baking them together into one track is where things get messy. A boom and a lav hear the same voice from different positions, and if they're combined badly the sound can go thin, hollow or phasey.

The fix is to record isolated tracks, often called isos. A proper recorder lets you keep:

• Boom on its own track
• Lav 1 on its own track
• Lav 2 on its own track
• A rough mix for camera or editing reference

Then post can choose the best track for each line. If the boom is clean, use the boom. If the subject turns away, use the lav. If the lav rustles, go back to the boom. Options are beautiful. Especially when the edit is due yesterday.

For this workflow, look at the recorders in our location sound equipment hire range, like the Sound Devices MixPre-6 II or the Sound Devices 633. The 633 is a six-input mixer with a 10-track recorder that captures all six inputs plus the mix and two aux buses on their own tracks, which is the room you want for a boom, several lavs and a reference mix.

Which mic should you choose for different shoots?

Choose the mic based on the shot, movement, location, wardrobe and edit needs. A boom is best when it can stay close. A lav is best when the person moves or the boom can't reach.

For podcast work, the answer may be neither a hidden lav nor a classic boom. A visible studio microphone can be the right choice, especially for seated conversations. If that's the job, recording in our podcast studio in Melbourne or hiring the podcast recording package may make more sense than building a location kit.

What gear do you need for a boom and lav setup?

A boom and lav setup needs the right mic, mounting, recorder, headphones, wind protection, batteries and timecode. The mic choice matters, but the workflow around it matters just as much.

For sync-heavy shoots, a Tentacle Sync E timecode box saves hours in post. For outdoor boom work, a Rycote windshield is the kind of boring thing that quietly rescues the take.

And yes, the boring gear matters. Cables, mounts, clips, tape, batteries, cases, labels and backups are what stop an easy shoot turning into an annoying audio repair job.

So, boom mic or lav mic?

A boom mic usually wins on sound quality. A lav mic wins on mobility and backup. The professional answer is to choose based on the shot, then record clean isolated tracks so the edit has options.

If you want a lav that gets close to boom quality with good placement, the DPA 4060 and 4061 are two of the best-sounding lavs money can buy.

Questions we get asked