JOYO JE-307 Guitar Pickup 5-Band Equalizer Folk Guitar EQ Acoustic guitarra Pickup Preamp Electric Digital Tuner (Black)

1. Bass: +/-12dB at 80Hz
2. Middle 1: +/-12dB at 500Hz
3. Middle 2: +/-12dB at 1KHz-2KHz
4. Treble: +/-12dB at 3KHz
5. Presto: +/-12dB at 10KHz
6. A4 Frequency: 440Hz
7. Tuning Range: 0A(27.5Hz)-8C(4186.01Hz)
8. Low Battery light
9. Weight: 72g
10. Dimensions: 57(L)X50(H)X85(W)mm
11. Power: 1 x 9V 6F22 Battery (NOT INCLUDED)