Category Specification 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 Input Specification Instrument Input Standard mono phone jack Rated Input Level (Instrument) -20 dB Input Impedance (Instrument) 470 kΩ AUX In Stereo mini jack Rated Input Level (AUX In) -10 dBu Input Impedance (AUX In) 1 kΩ Output Specification Line / Headphone Output Standard stereo phone jack (combined line/headphone) Maximum Output Level (Line) 2 dBu (at 10 kΩ or more load impedance) Headphone Output Power 17 mW 17 mW (32Ω load) Noise / Signal Specification Input S/N Ratio 120 dB Noise Floor (Residual Noise) -97 dBu Power Supply Specification AC Adapter 9V DC, 500mA, center negative (Zoom AD-16 recommended) Battery 4× AA batteries (approx. 18 hours with LCD backlight off) USB Power Yes, through USB port (Micro-B) USB Specification Connector Type USB 2.0 Micro-B USB Standard USB 1.1 Full Speed Software Support Zoom Guitar Lab Cable Requirement USB 2.0 Micro-B cable (for data transfer) Dimensions & Weight Specification B1 Four Dimensions 156 mm (D) × 130 mm (W) × 42 mm (H) B1 Four Weight 340 g (excluding batteries) B1X Four Dimensions 156 mm (D) × 216 mm (W) × 52 mm (H) B1X Four Weight 610 g (excluding batteries) Other Notes Specification Reference Level 0 dBu = 0.775 V USB Power Warning Use data-capable USB cables for full functionality (power-only cables won’t allow data transfer)
