Feature: 100% Brand new,never used Item's color might be different from the picture because of the aberration. With this preamp,you spend less time tweaking controls and more time playing 2-band tone controls (BASS,TREBLE) for all guitarists looking to improve their sound Control Range: Bass: +/-12dB Treble: +/-12dB Power supply:6F22 DC 9V battery(not including) Package included: 1pc Acoustic Guitar with Tuner