Demonstration video 1
Demonstration video 2
 
This is quite possibly the smallest guitar graphic equaliser pedal in the world. Five bands with a master level control. Shifter frequencies: 100Hz, 250Hz, 630Hz, 1.6kHz and 4kHz all  adjustable up to ±18dB for extreme tonal control.
 
Zinc Alloy metal shell
True bypass
 
Specifications
Input: 1/4” monaural jack (impedance: 470k Ohms)
Output: 1/4” monaural jack (impedance: 1k Ohms)
Power Requirements: AC adapter 9V DC (center minus plug)
Current Draw: mA
Dimensions: 95mm (D) × 45mm (W) × 53mm (H)
Weight:278g（with box)