Zoom B1 FOUR - Device Specifications

Specications
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 128×32 dot-matrix LCD
Inputs 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): 1 kΩ
Output 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 (32 Ω load)
Input S/N 120 dB
Noise oor (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.
External dimensions
156 mm (D) × 130 mm (W) × 42 mm (H)
156 mm (D) × 216 mm (W) × 52 mm (H)
Weight
340 g (excluding batteries)
610 g (excluding batteries)
Note: 0 dBu = 0.775 V
60