Acoustic guitar peamp 3 Band OPUS III

Acoustic Guitar 3 Band Preamp Amplifier Equalizer EQ OP3 Piezo with Pickup

Does Not include a battery. Pre-Wired For Easy Assembly, Includes Connecting Wire With 2.5Mm Plug. Low Battery Indicator Specifications: Bass Control: iA12Db, Middle Control: iA12Db, Treble Control: iA12Db Input Impedance: 10MO, Frequency Response: 20Hz - 20Khz.Package Included: 1 Set EQ, 1 Pre-Amp, 1 Pickup, 1 Connecting Wire With 2.5Mm Plug.