SE-5N‎ 5 Band EQ Equalizer Pickup Tuner For Acoustic Guitar Accesory Kit

* Pickup, equalizer, tuner, 3 in 1 equipment, convenient to connect the sound to the guitar speaker amplifier output. * Powered by one 9V battery and with low battery indicator (battery is not included). * Built-in tuner with LED display, bass, middle.1, middle.2, treble and control knobs, fit your different needs. * The pickup bar receives the vibration when playing, the equalizer receives, processes and adjusts the audio , and the output end is connected to the audio equipment to output the audio. * Tuner: to obtain and determine the vibrational frequency of the sound input to the equalizer. The LED display and three lights show the accuracy and deviation of the corresponding scale and tone.