Ps 500 5 Band Equalizer Digital Guitar Preamp Piezo Tuner Pickup Replacement For Guitar Accessories - EQ Equalizer Tuner Tuner for acoustic guitar musical instrument is great accessories for acoustic guitars. With this preamplifier you spend less time with the operation of controls and more time with playing. Features - Instead of only one switch, the soundformer has an actual volume indicator so that you can precisely determine the level of the contour and achieve the correct sound. High performance - Guitar preamp Piezo Pickup Tuner with LCD Display with 5-band sound controller (bass, midd.2, MIDD.1, Treble, Presence) for all guitarists who want to improve their sound. Function - 5 Band Piezo pickup with a phase switch provides additional feedback control by reversing the phase of the tranucer with respect to the phase of the reinforcing loudspeakers. Features: Condition: High quality. Material: Plastic. Colour: black. Output: 6.35 mm. 1 x 6F229V (not included). Size: Approx. 97 x 65 x 56 mm/3.8 x 2.5 x 2.2 inches. Suitable for acoustic guitar. Weight: Approx. 108 g.