BestDealUSA LCD Tuner Pickup Acoustic Guitar 5 - Band EQ Equalizer
Specifications:Presence Control: 12dB at 8KHzBass Control: 12dB at 600HzMiddle1 Control: 12dB at 600HzMiddle2 Control: 12dB at 600HzTreble Control: 12dB at 2.2KHzInput Impedance: 10MωFrequency Response: 20Hz - 20KHzPower: 9V alkaline batteryPackage Included1 x Pre-Amp plus pickup1 x Connecting wire with 2.5mm plug1x 9V alkaline battery