Pickup with 4-band EQ, suitable for classical and folk guitars. Bass, middle, treble, and presence control knobs. Built-in tuner with LED display. Features 6.35mm and XLR output jacks for connecting to an amplifier or speaker. Powered by one 9V battery with low battery indicator (battery not included). Pickup type: Piezo ceramic pickup. Input impedance: 10MΩ. Frequency response: 20Hz–20kHz. Control range: Bass ±12dB at 60Hz, Middle ±12dB at 650Hz, Treble ±12dB at 2.2kHz, Presence ±12dB at 10kHz. Output jacks: 6.35mm and XLR. Model number: SE-4N. Type: Pickup. Product name: 4-Band Acoustic Guitar Preamp. Designed for folk guitar. Power source: 1 x 9V battery (not included). Color: Black. Material: Plastic and electronic components. Dimensions: 69.5 x 41.5mm. Package includes: 1 x Pickup 1 x Battery box 1 x Pickup stick 1 x Clip 1 x Screw set Note: Light reflection and differences in display screens may cause slight variations in color between the product image and the actual item. Measurement allows an error of +/- 1–3cm.