JOYO JE-305 Guitar Pickup 4-Band EQ Preamp Tuner Pickup Equalizer with Tuning Function (Black)

1. Bass: +/-12dB at 60Hz
2. Middle:+/-12dB at 500Hz
3. Treble:+/-12dB at 3KHz
4. Tuning Range: 0A(27.5Hz)-8C(4186.01Hz)
5. A4 Frequency: 440Hz
6. Input Resistor: 10 mohm
7. Low Battery Light
8. Weight: 54g
9. Dimensions: 66(L)X36(H)X59(W)mm
10. Power: 1 x 9V 6F22 Battery (NOT INCLUDED)