PSI Audio AVAA C20 Active Velocity Acoustic Absorber Black JS Series Convenient operation charts located on

Convenient operation charts located on the under side of each unit

played by a who’s who of drummers across a variety of musical genres

Designed to fit Thunderbird Style Bass Guitars

featuring a basswood San Dimas® body with elegant quilt maple top

Anti Log - Instant pumping & breathing

PSI Audio AVAA C20 Active Velocity Acoustic Absorber Black JS Series Convenient operation charts located onThe AVAA is the solution for room mode problems. The AVAA is designed to absorb the standing modes between 15 and 150 Hz in a room. It will do so just like passive absorbers but in a much more efficient way and using up much less space. Each operating AVAA will have the same effect as a hole in the wall much larger than the dimensions of the AVAA (that is 0. 2 m2). The exact ratio will depend on the frequency and environment but typically range