Fishman Transducers Model G Model Acoustic Pre-amp, made in USA.
Acoustic guitar pre-amp with 3 controls: Volume, Bass and Treble. Has one 1/4 inch unbalanced instrument input and one 1/4 inch unbalanced amplifier output. Operates on one 9 volt battery.
Overall length is 4 7/8 in. (12.4 cm.), 3 1/8 in. (7.9 cm.) wide, and 1 3/8 in. (3.5 cm.) deep.
