D&rsquo;Luca 5 Band EQ Pre-Amp Pickup with LCD Tuner and Volume Control for Acoustic Guitars Complete Kit Five-Band EQ, Volume Control, Presence Control, Bass Control, Middle1 Control, Middle2 Control, Treble Control, tuner Power on/off button, Frequency Response: 20Hz - 20KHz, Power: 9V alkaline battery (included). Installation Instructions are NOT INCLUDED The Complete Kit offers great tone and pickup range, and is made to be installed in the body of any standard acoustic Guitar D'Luca 5 Band powered pre-amp Pick-up