"Artec FTE-3, Preamp for Acoustic Guitars, Upper Bout Version 3 Band EQ, Volume knob, Battary status indicator, Voltage over 9 V battery (such as Article Nr #417473# - not included), Bass: ±12 dB at 100 Hz, Middle: ±12 dB at 800 Hz, Treble: ±12 dB...
