This is the older original Fishman Pro-EQ Acoustic Guitar Preamp/Equalizer (Not the Pro-EQ II)

Includes Pro-EQ, Manual, Mounting Hardware, and Box.

SPECIFICATIONS (From the Manual)

(Measured with all tone controls at center detent and volume at max.)

Nominal Input Level: -20 dBV
Input Overload: (20 Hz to 20 kHz) 0 dBV
Input Impedance: 10 MW
Output Impedance: Less than 3.5 k W
Nominal Output Level: -17 dBV
THD: .2% @ 1 kHz,-20dBV input
Signal to Noise Ratio: 79 dB (A weighted, referred to
nominal -20 dBV input)
Current Drain: Less than 9 mA
Power Supply: 9V alkaline battery (estimated 55 hours
continuous use) Regulated 9V AC Adapter
Sub-Bass Control: 0 to +10 dB at 80 Hz
Bass Control Range: ± 11dB at 60 Hz
± 3 dB at 350 Hz
Middle Control Range: ± 8 dB at 1.25 kHz
± 3 dB bandwidth:1.5 kHz
Treble Control Range: ± 11dB at 10 kHz
± 3 dB at 2.4 kHz
Brilliance Control Range: ± 9 dB at 9 kHz
± 3 dB bandwidth: 7 kHz
Dimensions: 5 1/8" X 3" X 1 3/16"
All specifications subject to change
This item appears to be new or unused and like new.