String Instrument Accessories -EQ Band Equalizer Highlights Generic Brand EQ Band Equalizer Description: Suitable for acoustic guitar only, powered by 1 x 9V 6F22 X battery (battery not included) Adjustment range: Bass: 12dB to 60HZ, Midd: 12dB at 500kHz, Treble: 12dB at 3kHz, Presence: 12dB at 10KHz Function: Volume control, EQ tone shaping control Pre-wired for Sonicore pickup without soldering, plug and play Active/Passive: Active Material: Plastic Size Chart: EQ Equalizer 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.