String Instrument Accessories -5 Band Equalizer Guitar Pickup Highlights Brand Generic 5 Band Equalizer Guitar Pickup Description: With this preamplifier, you spend less time tweaking controls and more time playing. Tone and volume control. With volume, bass, mid, treble, pres control knobs. LCD display, easy to read. Powered by 6F22 9V battery (not included) Low battery check LED. Automatic and manual adjustment mode. Ideal for acoustic guitars to enhance the sound of the guitar. Specification: Material: Plastic Control Range: Bass: +/- 12dB at 60Hz Mid: +/- 12dB at 500Hz Treble: +/- 12dB at 3KHz Presence: +/- 12dB at 10KHz Power Supply: 6F22 9V battery (not included) Size Chart: Size: approx. 9.8x5.8x4.0cm/3.85x2.28x1.57inch Package includes: 1 set Guitar Pickup System Note: Please allow 1-3mm measurement deviation due to manual measurement. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures.