Description: Suitable for acoustic guitar only, powered by 1 X 9V 6F22 battery(battery is not included) Control range: Bass: ± 12dB at 60 HZ, Midd: ± 12dB at 500 kHZ, Treble: ± 12dB at 3 kHZ, Presence: ± 12dB at 10 kHZ Function: Volume Control, EQ tone shaping control Pre-wired Sonicore pickup for solder-free, plug and play installation Active/Passive: Active Material: Plastic Size Chart: EQ Equalize r: Approx. 81*58*30mm Package Includes: 1 x 4 Band EQ Equalizer 1 x Piezo Pickup Line 8 x Mounting Screws 1 x Battery Box 1 x Plastic Sticker Note: Due to the difference between different monitors, the picture may not reflect the actual color of the item. Due to manual measurement, there may be 1-2mm error in size
