5 Band Guitar Equalizer, F-5T EQ Equalizer Pickup Tuner for Acoustic Guitar Musical Instrument

Features: 1. Powered by one 9V battery and with low battery indicator (battery is not included). Sensitive piezoelectric sensors can collect sound quickly. 2. Easy to install and operate, you can choose to install it in your preferred place.  3. There are cushioning sponges behind the equalizer and output, to prevent the guitar and equalizer from bumping into each other. Stylish appearance, compact design, no feedback, suitable for acoustic guitars, suitable for small shows, party, etc. Specifications: Condition: 100% Brand New Material: Metal+Plastic Weight: Approx. 137g / 4.8oz Color: Black Pick-up: Piezo Ceramic Pick-up Input Impedance: 10M? Frequency Response: 20Hz-20KHz Control Range: Bass: (+/-)12dB at 60Hz, Middle.1: (+/-)12dB at 650Hz, Middle.2: (+/-)12dB at 1KHz, Treble: (+/-)12dB at 2.2KHz, Presence: (+/-)12dB at 10KHz Output Jack: 6.35mm & XLR Output Jacks Power Supply: 1 * 9V Battery(Not Included) Size: Approx. 9.4 * 4.7 * 2cm / 3.7 * 1.9 * 0.8in(Equalizer), 5.5 * 4.5 * 5.5cm / 2.2 * 1.8 * 2.2in(Battery Box) Package list:  1 * Equalizer 1 * Battery Box 1 * Pickup Bar 1 * Glue Cushion 1 * Plastic Tie 8 * Screw Battery is not included.