เอฟเฟคกีตาร์เบส ZOOM B1 FOUR BASS MUTI-EFFECTS PROCESSOR

SPECS 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 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 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 : 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 : Connector: USB2.0 Micro-B Guitar Lab Standard: USB 1.1 Full Speed Supported cable: USB2.0 Micro-B cable Use cables for data transfer. 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 : B1 FOUR 156 mm (D) × 130 mm (W) × 42 mm (H) B1X FOUR 156 mm (D) × 216 mm (W) × 52 mm (H) Weight: B1 FOUR 340 g (excluding batteries) B1X FOUR 610 g (excluding batteries)