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An introduction to sE Electronics Reflexion Filter PRO RF PRO, based on information from the maker and distributors: what it does, how to use it and who it may suit. It is not scored.
The goal of our multi-layered design is to minimize the pickup of such reflections so your primary sound source comes through as pure as possible.
— sE Electronics official site
What is Reflexion Filter PRO RF PRO?
The RF PRO (Reflexion Filter PRO) is a portable acoustic treatment device for microphones from sE Electronics. It attaches to a mic stand and wraps around the back and sides of the microphone to reduce the amount of room sound it picks up.
sE says it invented the Reflexion Filter in 2006. It uses patented multi-layer construction intended to work across a wide frequency range with little coloration.
When a mic sits in front of you it hears reflections of your voice bouncing back from walls. The multi-layer material is meant to reduce that. It is aimed at people recording vocals or instruments in rooms without a booth.
The mounting hardware was redesigned in 2016 for pan and tilt adjustment. sE lists vocals, acoustic and electric guitar cabs, bass cabs, strings, piano, woodwinds, brass, kick and room mics as uses.
Patented multi-layer construction
Multiple layers are described as working across a wide frequency range, which sE distinguishes from simple foam. It may be worth trying where room sound is a concern.
Reducing reflections
Mics also pick up sound reflected from walls. The RF PRO surrounds the mic to reduce how much of that comes in.
Redesigned mounting hardware
The 2016 redesign improved stability and ease of use. It allows pan and tilt, and moving parts are chromated for low wear.
Many sources
Vocals, acoustic guitar, guitar and bass cabinets, strings, piano, winds, kick and room mics are listed.
Hand-made in sE's factory
sE states each unit is hand-made in its own factory.
Mounting parts included
A mounting bracket, screw wrench and mic stand thread adapter come in the box so you can mount it immediately.
Specifications
| Item | Details |
|---|---|
| Type | Portable acoustic treatment (Reflexion Filter) |
| Construction | Patented multi-layer |
| Mounting | Mic stand (adapter included), pan and tilt adjustable |
| Recommended use | Vocals, acoustic guitar, electric guitar cab, bass cab, orchestral and strings, piano, woodwinds, brass, kick, room |
| Dimensions and weight | Not listed as figures on the official page |
What is included and system requirements
- Reflexion Filter PRO
- Mounting bracket
- Screw wrench
- Mic stand thread adapter
- Manual (versions for before and after mid-2016 on the official site)
How to use it
- Set up the mic stand and attach the microphone.
- Connect the mounting bracket to the stand.
- Attach the RF PRO to the bracket and tighten it with the wrench.
- Position and angle (pan and tilt) it so it wraps behind the mic.
- Keep the usual distance between source and mic.
- While recording, try different angles and compare.
- Remove the hardware and carry it away when finished.
Vocals at home
In a reverberant room it may be one way to reduce reflected sound reaching the mic.
Voice-over and streaming
It may help in rooms where wall and ceiling reflections are a concern.
Guitar amp recording
It may help when you want to avoid room sound while the mic is close to the amp.
Piano and strings
You could try it while adjusting position to reduce room sound.
Who it may suit
- People recording in rooms without a booth
- People who want less room sound in the mic
- People who want to try one device on voice and instruments
- People looking for portable acoustic treatment
Good to know before you buy
- Because it surrounds the mic, results depend on mic type and position.
- A limited Black Chrome edition, a larger RF SPACE and the RF-X are in the same range.
- A plain 'Reflexion Filter' does not appear in the current lineup; current models are RF SPACE, RF PRO, RF-X and others.
How it differs from similar products
We do not pick a winner; the official figures are placed side by side.
RF-X
sE describes the RF-X as having a lightweight vented body and a simpler clamp assembly for artists on a budget, while the RF PRO is the original multi-layer unit.
Price
Please check the official page for the price.
See Reflexion Filter PRO RF PRO on the product page
Sources: seelectronics.com (checked 2026-10-27)

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