With the JB Systems PSA-12 you provide a canteen, bar or terrace with sound. You can easily take the 12 inch speaker with you thanks to its compact size. This makes the speaker suitable for events, street artists and drive in DJs. With the built-in equalizer you can find the balance between the high and low frequencies. If the bass sound resonates too hard, you simply remove the low frequencies from the mix. This is how you adjust the sound to the acoustics of the location.