. Mainly because of, its low-frequency response and. Compact compression/sustainer pedal with high-quality circuitry Compresses loud signals and boosts softer signals for a smooth overall sound Onboard Level, Tone. Feb 13, - Bundle offer comprising Boss TU-3 Chromatic Floor tuner, Cent mode (display as a classic tuner) or Stream mode (running light display). Revisado en India el 12 de enero de Color: Black. I would like to call it the bass boss! - If you want good bass, good noise cancellation and the best. Amazing bass guitar processor! Reviewed in India on 24 August I think every bassist should have this.