Feature: 1. LCD Display: The ukulele preamp amplifier equalizer features a LCD display which can makes it easy to see and adjust the settings, even in dimly lit environments. 2. 3 Bands: The guitar pickup preamp amplifier has 3 bands, which can provides control over the low, middle, and high frequencies, allowing you to tailor the sound to suit your preferences and playing style. 3. Good Performance: The equalizer preamp amplifier features 22MΩ input impedance, which guarantees a clear and strong signal. The wide frequency response of 20 Hz–20 kHz captures every detail of your playing, from low rumbling bass to sparkling highs. 4. Compact And Lightweight: This ukelele pickup preamp equalizer is small and lightweight, which makes it very easy to carry around and use, and it will not interfere with the use of your guitar when mounted on it. 5. Excellent Plastic Material: This ukelele pickup preamp equalizer is made of excellent plastic material, which is sturdy and wear resistant, not easy to be damaged, and has a long service life. Specification: Item Type: Ukulele Preamp Amplifier Equalizer Material: Plastic Input Impedance: 22 MΩ Frequency Response: 20 Hz–20 kHz Control Range: Low: ±12 dB at 100 Hz Middle: ±12 dB at 300 Hz High: ±12 dB at 10 kHz Power Supply: 2 x 3V CR2032 Button Batteries (Not Included). Package List: 1 x Ukulele Preamp Amplifier Equalizer 1 x Battery Box1 x Guitar Pickup Stick1 x Cable Tie1 x Suction Cup8 x Screws