ZOOM G1 Four Specifications
Guitar Multi-Effects Pedals
Maximum number of simultaneous effects: 5
User patches: 50
Sampling frequency: 44.1 kHz
A/D conversion: 24-bit, 128× oversampling
D/A conversion: 24-bit, 128× oversampling
Signal processing: 32−bit
Display: 128x32 dot matrix LCD
Input: Standard mono phone jack Rated input level: -20 dBu Input impedance (line): 470 kΩ
AUX IN: Stereo mini jack Rated input level: -10 dBu Input impedance (line): 1kΩ
Output: Standard stereo phone jack (combined line/headphone) Maximum output level: Line +2 dBu (10 kΩ or more output impedance) Headphones 17 mW + 17 mW (32Ω load)
Input S/N: 120 dB
Noise floor (residual noise): -97 dBu
Power: AC adapter: 9V DC 500mA center negative (ZOOM AD-16) 4 AA batteries (about 18 hours continuous operation time when using alkaline batteries with the LCD backlight off)
USB: USB MIDI, USB Micro-B
Power can also be supplied through the USB port.
When using a cable designed only for power, other USB functions cannot be used.