How to Set Up a Mic Boom Arm
Updated Nov 13, 2026 · By 
Jonah Mercer · Editorial policy
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To set up a mic boom arm, clamp it to the desk, fit the mic to the adapter, and set the arm so the mic sits at mouth height. Low profile arms like the FIFINE BM88W sit below the shoulder line, while the InnoGear MU-PSA28 rises on a 6.3 inch riser. Check desk thickness and mic weight against the listing.
Clamp the arm to the desk
Pick a desk edge with room for the clamp and for the arm to swing. The FIFINE BM88W clamp fits a desktop from 0.8 to 2.4 inches thick, the InnoGear MU-PSA28 clamp fits a desk up to 2 inches thick, and the Rode PSA1+ clamps to desks up to 70mm thick. Tighten the clamp until the arm does not move when you pull it, and leave the cable channels open until the cable is in.
Fit the mic to the thread adapter
Match the mic mount to the thread on the arm. The FIFINE BM88W comes with 1/4 inch to 3/8 inch and 3/8 inch to 5/8 inch adapters on a rotatable ball-head, the Elgato Wave Mic Arm LP comes with 1/4 inch to 3/8 inch and 1/4 inch to 5/8 inch adaptors, and the Rode PSA1+ fits 3/8 inch and 5/8 inch mic mounts. The InnoGear MU-PSA28 has a 5/8 inch metal connector. Screw the adapter on, then thread the mic or shock mount onto it and check that it holds.
Set the height and the reach
Set the arm so the mic sits at mouth height without pulling the arm to its limit. The FIFINE BM88W extends to 29 inches and adjusts up and down by 220 degrees and horizontally by 360 degrees. The Elgato Wave Mic Arm LP has a horizontal reach of 740 mm, listed as 29.1 inches, with 360-degree horizontal and 90-degree upper vertical rotation. The InnoGear MU-PSA28 reaches 32.3 inches horizontally and 37.4 inches vertically, with a 6.3 inch extension riser in the package.
Route the cable and check the balance
Run the mic cable through the arm before you start recording. The FIFINE BM88W, the Elgato Wave Mic Arm LP, the Rode PSA1+ and the InnoGear MU-PSA28 all have cable management in the arm, and the Elgato covers are magnetic while the InnoGear covers are rubber. Then check the mic weight: the Rode PSA1+ holds mics from 0.25kg to 1.2kg, and the InnoGear MU-PSA28 holds up to 3.5 pounds. If the arm sinks or rises on its own, move the mic closer to the pivot and re-check the clamp.
What you need
FIFINE BM88W Low Profile Mic Boom Arm
A low profile metal boom arm that extends to 29 inches, with cable management, a desk clamp for desktops 0.8 to 2.4 inches thick, and thread adapters.
- Cable management
- Low profile
- Desk clamp
- 1 year warranty stated
Elgato Wave Mic Arm Low Profile Microphone
A low profile all-metal boom arm that sits below the shoulder line, with magnetic cable channels and a horizontal reach of 29.1 inches.
- Cable management
- Low profile
- 2-year warranty stated
Rode RØDE PSA1+ Professional Studio Boom Arm
A studio boom arm with internal spring damping and internal cable management, clamping to desks up to 70mm thick and holding mics from 0.25kg to 1.2kg.
- Cable management
- Desk clamp
- 2-year warranty stated
InnoGear Mic Arm Microphone Boom Arm Cable
A steel boom arm with a 6.3 inch extension riser, a 32.3 inch horizontal reach, and built-in cable channels, holding up to 3.5 pounds.
- Cable management
- Desk clamp
- 12-month warranty stated
These come from our ranked list Best Mic Arm, which compares them spec by spec.
Frequently asked questions
What desk thickness fits a mic boom arm clamp?
It depends on the clamp. The FIFINE BM88W fits desktops from 0.8 to 2.4 inches thick, the InnoGear MU-PSA28 fits desks up to 2 inches thick, and the Rode PSA1+ clamps to desks up to 70mm thick. Measure the desk edge before ordering.
How do I know if my mic fits the boom arm?
Check the thread size and the weight. The FIFINE BM88W and the Elgato Wave Mic Arm LP come with 1/4 inch to 3/8 inch and 1/4 inch to 5/8 inch adaptors, and the Rode PSA1+ holds mics from 0.25kg to 1.2kg. Match the mic mount to the adapter and the mic weight to the stated limit.
Why does my boom arm keep moving on its own?
The arm is out of balance for the mic on it. Move the mic closer to the pivot, re-check the desk clamp, and check the mic weight against the stated limit for the arm. The InnoGear MU-PSA28 holds up to 3.5 pounds, and the Rode PSA1+ holds mics from 0.25kg to 1.2kg.
Ranked mic boom arms lists
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Product details come from each Amazon listing and can change. Check the listing before you buy.