The Boss PQ-3B Bass Parametric Equalizer is a highly flexible analog tone-shaping pedal designed specifically for bass, allowing precise control over frequency response while maintaining clarity and musical balance. This Made in Taiwan unit has been professionally modified to studio quality specifications, improving transparency, noise performance, and overall signal integrity.

The modification includes upgraded high-quality capacitors throughout the entire signal path and bypass circuit, contributing to quieter operation and a more transparent signal response. These component upgrades enhance clarity and preserve the natural character of the instrument, making the pedal particularly suitable for detailed tone shaping in both live and studio environments.

Thanks to its parametric equalization design, the PQ-3B allows accurate adjustment of specific frequency ranges, making it effective for refining low-end definition, shaping midrange presence, and improving overall tonal balance without compromising articulation. The analog circuitry maintains a natural and musical response, allowing subtle corrective adjustments as well as more pronounced tonal sculpting.

The pedal features a white LED and has been professionally modified for improved reliability and consistent performance. Serial number AN06250 is present on this Made in Taiwan unit.

The pictures in this listing are of the actual product. Please take a careful look to determine the cosmetic condition and accessories included with the item.
Power supplies are not included, unless described or pictured. All items have been tested and function 100% unless stated otherwise.

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