Acoustic Guitar Pickup 5 Bands EQ Equalizer Preamp Piezo Pickup with LCD Tuner

description":"Features: Pickup with 5 bands EQ, it is suitable for classical folk guitars. Bass, middle 1, middle 2, treble and presence control knobs. Built-in tuner with LED display. With 6.35mm & XLR output jacks for connecting the speaker. Powered by one 9V battery and with low battery indicator (battery is not included). Specifications: Pick-up: Piezo Ceramic Pick-up Input impedance: 10MΩ Frequency Response: 20Hz-20KHz Control Range: Bass: (+/-)12dB at 60Hz, Middle: (+/-)12dB at 450Hz, Middle: (+/-)12dB at 2KHz, Treble: (+/-)12dB at 3.5KHz, Presence: (+/-)12dB at 10KHz Output Jack: 6.35mm & XLR output jacks Power Supply: 1 * 9V battery(not included) Item Size: 7.7 * 4.6 * 2.5cm / 3.0 * 1.8 * 0.98in; 5.5 * 4.5 * 5.5cm / 2.2 * 1.8 * 2.2in Item Weight: 72g / 2.5oz; 36g / 1.3oz Package Size: 17.3 * 11.5  * 4.5cm / 6.8 * 4.5 * 1.8in Package Weight: 118g / 4.1oz Note: Battery is not included. Package List: 1 * Guitar Pick-up System