KORG EFGS 1 - Manual (Page 44)

44
Specifications
Effects: 158 types (Maximum number of effects available simultaneously: 7)
Number of programs User: 200, Preset: 200
Inputs: Guitar/Bass INPUT (1/4” jack), AUX (mini stereo jack)
Outputs:
Line OUTPUT(1/4” jack), PHONES (mini stereo jack)
Tuner section detection range: 27.5 Hz–2,093 Hz (A0–C7)
calibration: A = 438 Hz–445 Hz
Rhythm number of pattern: 100 Tempo: =40–240
Power supply:
One AA alkaline dry cell or NiMH rechargeable battery,
USB bus power supply
Battery life:
Alkaline battery/NiMH rechargeable battery (1900mAh)
Allows approx. 5 (Al) or 6 (NiMH) hours of continuous use
(backlight OFF) 
Allows approx. 3 (Al) or 4 (NiMH) hours of continuous use 
(backlight ON)