2X(New and high quality. Professional guitar and bass tuner
With volume, bass, middle, treble, pres control knobs.
LCD display, easy to read. Low battery check LED.
Auto and manual tuning mode. Powered by 6F22 9V battery (No Battery)
Principle: Pick up the vibration of through the piezoelectric strip, drive it with , input it to the host computer, amplify the signal through the host circuit board, and output it to the speaker. This pickup is an active pickup.

1. Frequency Response: 20Hz~20KHz
2. Control Range: Bass: +/- 12dB at 60Hz
Middle: +/- 12dB at 500Hz
Middle 2: +/- 12dB at 1.2KHz
Treble: +/- 12dB at 3KHz
Presence: +/- 12dB at 8KHz
Mid2. Control: 600Hz~2KHz
3. Tuning note: Chromatic/Guitar Mode
4. Chromatic & Guitar Tuning Mode(7B/6E/5A/4D/3G/2B/1E)
5. Pick-up: Piezo Ceramic Pick-up
Colour:black
Material:Plastic+Metal
Size:9.8 x 5.5cm

Package Contents:
1 x pickup
8 x screws
1 x wire clip
1 x pickup stick
1 x battery box
1 x strap)