Pickup with 4 bands EQ, it is suitable for classical folk guitars. Bass, middle, 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). Pick-up: Piezo Ceramic Pick-up 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 Jack: 6.35mm & XLR output jacks Model Number: SE-4N Type: Pickup Product Name: 4 Band acoustic guitar preamp for: Folk Guitar work by: 1 * 9V Battery (Not Included) colour:black Material:Plastic + electronics size:69.5*41.5mm Package Contents: 1 * pickup 1 * battery box 1 * pickup stick 1 * clip 1 * screw set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!