PSI Audio AVAA C20

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$2,555.00 to $3,125.00

5.0 (1)

4 Critic Reviews

All time low price

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Page last updated Jul 03, 2026

Pricing and availability

We compare 600+ stores and found this item at 3 stores. Prices updated June 25, 2026.

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5.0 (1)

$3,115.50

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4.8 (12)

$2,590.00 $2,555.00 $35.00 · All time low

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5.0 (3)

$3,125.00

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Based on price data from 3 merchants for "PSI Audio AVAA C20". Prices shown reflect NEW condition. Tracking began Apr 19, 2026.

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Description

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Tame the chaos of your studio space with the PSI Audio AVAA C20, an innovative solution for mastering acoustics with precision. This active bass absorber is engineered to obliterate room modes in the challenging 15 to 150 Hz frequency range, offering a simple yet powerful fix to your acoustic problems. Unlike traditional passive absorbers, the AVAA C20 employs advanced technology to rival the effectiveness of an absorber 25 times its size, without the need for cumbersome setups or calibrations. Just place it strategically, and let it work its magic.

Perfect for studios where flexibility and adaptability are key, the AVAA C20 is a mobile, user-friendly device that integrates seamlessly into any recording environment. Whether you're working in a compact home studio or a bustling professional space, its ability to significantly reduce reverberation time and unwanted resonances can transform your acoustic landscape.

With no calibration required, it’s as simple as plug-and-play, making it an indispensable tool for musicians, producers, and audio engineers alike. This innovative absorber doesn't just manage sound—it sculpts it, ensuring clarity and precision for your recordings.

Key Features:

Absorbs room modes between 15 and 150 Hz
Reduces reverberation time significantly within its frequency range
Effectiveness equals an absorber 25 times its size
No calibration or adjustment needed for the room
Mobile and flexible for easy placement and setup

Owner's manual

PSI Audio AVAA C20 User Manual

Product specs

Available since	February 2018
Material	N/A
Colour	Black
Dimensions per piece in mm	424 x 509 x 300

FAQs

How does the PSI Audio AVAA C20 active bass trap work?: The PSI Audio AVAA C20 works by reducing the acoustic impedance of the air in front of it, effectively absorbing low frequencies. It is most effective when placed in the corners of a room where pressure and room modes are highest.
Is the PSI Audio AVAA C20 suitable for small home studios?: Yes, the PSI Audio AVAA C20 is suitable for small home studios as it efficiently manages low-frequency room modes, improving the overall acoustic environment without the need for extensive passive treatments.
How should I position the PSI Audio AVAA C20 for optimal performance?: For optimal performance, place the PSI Audio AVAA C20 in the most rigid corners of the room where bass frequencies tend to accumulate, ensuring maximum reduction of low-frequency resonances.
What are the dimensions of the PSI Audio AVAA C20?: The dimensions of the PSI Audio AVAA C20 are 424 x 509 x 300 mm, making it compact enough to fit into most studio setups while effectively managing bass frequencies.
Does the PSI Audio AVAA C20 require any specific power supply?: The PSI Audio AVAA C20 is powered by an internal amplifier and requires a standard AC power connection to operate, making it easy to integrate into existing studio setups.

Videos

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The Soundphile

Dröhnen einfach wegsaugen: PSI Audio AVAA C20 - Workshop/Tutorial (The Soundphile)

The Soundphile

Demonstration of our PSI Audio AVAA demo box.

PSI Audio - studio monitors & active bass traps

Reviews

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PROS

Functions from 15Hz to 150Hz, covering a wide frequency range
Automatically adjusts to room changes without recalibration
Noticeable improvement in bass response and clarity
Large area of effect reduces need for multiple units
Easy setup, simply place and power on
No noise emission or DSP, preserving audio integrity
Durable construction ensures longevity and reliability

CONS

High cost, requires multiple units for optimal performance
Lacks mounting options, challenging for placement in certain spaces
Effectiveness varies with room acoustics, especially in evenly distributed modes
Stability issues when placed near confined spaces or large objects

Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about PSI Audio AVAA C20.

Features and functionality

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The AVAA C20 has an upper frequency limit of around 150 Hz, which offers broader absorption than a subwoofer but still requires additional passive treatment for full effect.
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The AVAA C20 is pressure-based, best placed in corners where pressure is highest for the frequencies you want to treat.
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The AVAA C20's analog system has zero latency, crucial for perfect cancellation, unlike digital options like MiniDSP which have latency issues.
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Use cases and applications

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Effective for single-seat optimization in small rooms, but multiple units are needed for comprehensive treatment due to their limited size and coverage.
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For small rooms, some users find a single unit sufficient, though two are recommended for balanced treatment.
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While active bass traps like AVAA C20 are effective with many units, large passive bass traps or acoustic absorber panels are often considered more beneficial for general room treatment.
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Value and pricing

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Considered expensive, requiring 8-10 units for substantial impact, making them less cost-effective compared to other bass management solutions like multiple subs.
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Comparisons

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Active absorbers like the AVAA C20 work for all sounds below their max frequency, unlike subs which need a music signal, but they still need passive treatment for higher frequencies.
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The Subpac is noted as a cheaper alternative that significantly impacts low-end management in small spaces, especially when paired with bass tightening interventions.
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The AVAA C20 is likened to systems using multiple subs and DSP, which are termed "active bass traps" and can achieve similar room mode control with careful setup.
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User experience

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Owners report a long wait time for the AVAA C20 due to supply chain issues, sometimes taking a couple of months for delivery.
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Owners suggest that achieving optimal bass response with multiple subs often involves significant time investment but results in smooth bass across multiple listening positions.
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Software and compatibility

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Active room mode cancellation may require a microphone to measure room response, a feature not inherent in subwoofer setups without additional hardware.
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Critic Reviews

PSI Audio AVAA C20 electronic bass trap | Stereophile.com

stereophile.com

The PSI Audio AVAA C20 redefines bass management with its innovative design, providing a significant enhancement in sound clarity and impact without negatively altering the listening experience. Users report a remarkable reduction in room resonances, leading to sharper bass notes and improved overall soundstage. However, while it excels in bass absorption, the price tag of $1999 may make it a steep investment for some. Additionally, the reliance on proper placement could be a hurdle for less experienced users. Overall, the AVAA C20 sets a new standard for electronic bass traps, merging technology with acoustic performance effectively.

positive

Full Review

PSI Audio: AVAA C20 Active Bass Absorber | Tape Op Magazine | Longform candid interviews with music producers and audio engineers covering mixing, mastering, recording and music production.

tapeop.com

The PSI Audio AVAA C20 is a groundbreaking solution for managing low-frequency resonances in treated rooms. Its innovative design effectively creates "anti-resonances," significantly improving sound clarity—especially in bass-heavy mixes. Users report a night-and-day difference in audio accuracy, allowing for more informed mixing decisions. However, at nearly $2,000 each, it’s a steep investment compared to traditional bass traps, and only makes sense after basic treatments are in place. While the price may deter some, the AVAA C20's performance could justify the cost for serious producers looking to elevate their sound.

positive

Full Review

PSI Audio AVAA C20

soundonsound.com

PSI Audio's AVAA C20 is a game-changer for battling low-frequency issues in studio environments, offering the compact power of a subwoofer in a sleek design. This active bass absorber effectively mitigates room modes, resulting in noticeably improved bass linearity and reduced resonance. While it excels in ease of use and installation, the hefty price tag—especially when multiple units are required—may deter budget-conscious musicians. Each unit operates efficiently, but expect to invest considerably to achieve optimal performance. Overall, the AVAA C20 impresses with its innovative technology and practicality, making it highly recommendable for serious studios needing space-efficient acoustic treatment.

positive

Full Review