SKU: 42361605118

PSI Audio AVAA C214 Active Bass Trap

Sale price$1777.50 Regular price$1975.00
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Description

PSI Audio AVAA C214 Active Bass TrapPSI Audio AVAA C214 Active Bass Trap Your speaker room interaction is half your sound. You can invest in exceptional electronics and speakers, optimize every component in the signal chain, and still find that bass in your listening room sounds thick, uneven, and hard to resolve because the room is doing things to the bass frequencies that no upstream component can fix. The PSI Audio AVAA C214 is what you do about that. The Problem with Passive Bass

PSI Audio AVAA C214 Active Bass Trap

Your speaker/room interaction is half your sound. You can invest in exceptional electronics and speakers, optimize every component in the signal chain, and still find that bass in your listening room sounds thick, uneven, and hard to resolve — because the room is doing things to the bass frequencies that no upstream component can fix. The PSI Audio AVAA C214 is what you do about that.

The Problem with Passive Bass Treatment

Passive bass traps work by absorbing bass energy in porous materials. To be effective at frequencies below 100Hz, a passive trap needs to be physically large — typically a quarter-wavelength of the target frequency, which at 50Hz means over a meter of depth. Most listening rooms cannot accommodate enough passive treatment to control room modes meaningfully. The result is treatment that helps at higher frequencies and does relatively little at the frequencies that cause the most obvious problems.

The AVAA Approach

The AVAA C214 is an Active Velocity Acoustic Absorber. Instead of physically absorbing bass pressure, it uses a microphone to sense the particle velocity at the room boundary and drives a small loudspeaker to create a counter-pressure that effectively simulates an infinitely absorptive surface. This active approach is three to four times more effective than a passive trap of equivalent size, and it works from 15Hz to 150Hz — the full range of bass problems that affect listening rooms.

Plug it in, place it in a room corner, and let it work. No room modification, no structural treatment. The C214 is self-powered and requires only an AC outlet.

Press Recognition

PSI Audio's AVAA products have been reviewed by Stereophile, Hi-Fi+ and covered in professional audio publications. The measurement results and listening reports are consistent: meaningful, measurable improvement in bass evenness across listening positions.

Specifications

  • Type: Active Velocity Acoustic Absorber
  • Effective frequency range: 15–150Hz
  • Effectiveness: 3–4x more effective than equivalent passive traps
  • Placement: Room corners
  • Power: AC powered, plug-in
  • Modification required: None

Questions about how many AVAA units your room needs, or how to measure your room modes before placement? Reach out — we can walk you through it.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 42361605118

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JimXeod
Los Angeles, US
★★★★★ 5
Fits perfect and works as designed. Flows like OEM and looks well made.
Style: BE-553B 1-Pack
This filter is very comparable to the stock filter. Fits the BMW G20 just like OEM. I would not say it is two times "heavier" as advertised on the box, but it is very comparable to stock. It's the same weight and similar construction. BMW has a very robust cabin filter. This will be my go to. I did purchase another aftermarket cabin filter that fit well, but was thin, flimsy and had a bad chemical odor. This one is fine and airflow is the same as OEM. I change them every year or so. I don't worry too much about longevity with cabin filters personally.
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Reviewed in the United States on May 15, 2026
S
Verified Purchase
S. Phillips
Charlottesville, US
★★★★★ 4
Good quality but it was slightly longer than original and needed modification.
Style: BE-182 1-Pack
Bought this cabin filter for a 2023 Acura TLX. While the filter seems to be made of quality material, it was just a little too long (about a 1/16 of an inch, so I had to trim it to make it fit so the cover would fit snug. I was able to do that without compromising the filter itself. But this might be an issue for some people
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Reviewed in the United States on May 8, 2026
K
Verified Purchase
Keith Granholm
Belleville, US
★★★★★ 5
Fits my Chevy 2021 Bolt Premier perfectly.
Style: BE-966 1-Pack
Installation was a breeze, fir nicely and the air in teh car now smells fresh and clean. The old filter has developed a musty smell so this new one is great. Had it replaced in under 3 minutes.
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Reviewed in the United States on May 18, 2026
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Punkizback
New York, US
★★★★★ 5
Fits perfectly for my 2017 VW Passat
Style: BE-373 1-Pack, Style: BE-373 1-Pack
Bought this for a fraction of the cost. An auto shop wanted to charge me $72.99 for a filter so I bought this Spearhead brand cabin filter and its the perfect size and its just as sturdy as the previous one the dealership had in the car. Not sure yet how the airflow is or if anything different as I have not driven in the car since it was replaced, but it appears to be a very high quality cabin filter for my car at a great price.
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Reviewed in the United States on May 25, 2026
S
Verified Purchase
SBJ
Birmingham, US
★★★★★ 5
Good Quality Replacement for Lexus
Style: BE-285 1-Pack
Was a perfect fit for my 2016 Lexus NX200t. No tools required. Total of 5 minutes to install. Airflow is good after replacement and the activated charcoal seems to make a difference in reducing any smells from outside. Recommended.
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Reviewed in the United States on May 3, 2026

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