Cherub GT-3 EQ Equalizer Acoustic Guitar Preamp Pickup Tuner

Guitar Equalizer Cherub G-Tone 3-Band EQ Equalizer Acoustic Guitar Preamp Piezo Pickup LCD Tuner Description: Features: 3-band equalizer, rotate Low/Middle/High to adjust volume frequency. With phase and tuner function. Tone and volume control. Wide frequency range from 20 HZ to 20 kHZ. LED for effect on/off and battery check, replace battery when Batt lights. Powered by a 9V Alkaline battery (not included). Specification: Input impedance: 10M? Frequency Response: 20Hz-20kHz Package size: 15.4 * 8.5 * 4.2cm / 6.1 * 3.3 * 1.6in Package weight: 160g / 5.7oz Notice:Battery is Included Package List: 1 * 3 Band EQ Equalizer 1 * Battery Box 1 * Piezo Pickup Line 2 * Cut-out Template 8 * Mounting screws 1 * User Manual (English & Chinese)