LC-5 5 Band EQ Pickup, Acoustic Guitar Preamp Tuner with LCD Tuner and Volume Control1. Five-band EQ volume control, presence control, bass control, center control 1, center control 2, treble control, tuner on/off button.2. Great Tone and Pickup Range - The complete kit offers a great range of tone and pickup and is designed to be installed in the body of any standard acoustic guitar.3. Amplify Acoustic Guitar Sound-5 band powered preamp pick-up unit includes everything you need to add a pickup to your acoustic guitar and amplify their sound.4. Easy to Read-LCD display, easy to read. Professional Auto Guitar Tuner and Manual Tuning Mode.5. Frequency, Power-Frequency Response: 20Hz - 20KHz, Power: Powered by 6F22 9V Battery (Not Included)Material: Plastic + Metal Color: BlackPackage Contents: 1 * ReceiptOnly the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement error is +/- 1-3cm.