With specially engineered effects, built-in looper and drum machine, the A1/A1X FOUR is the first Multi-Effects Processor designed for a variety of acoustic string and wind instruments.
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
Outputs
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)
Connectors
USB MIDI, USB Micro-B
Display
128x32 dot matrix LCD
Noise
Noise floor (residual noise): -97 dBu
Dimensions
Height: 156 mm (D) × 216 mm (W) × 52 mm (H)
Weight
610 g (excluding batteries)
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: 128x32 dot matrix LCD
Input S/N: 120dB
Noise floor (residual noise): -97 dBu
USB: USB MIDI, USB Micro-B
External dimensions A1X FOUR: Height: 156 mm (D) × 216 mm (W) × 52 mm (H)
Weight: 610 g (excluding batteries)
Effects
A1X FOUR offers over 90 built-in effects
Dedicated effects for acoustic guitar, saxophone, trumpet, violin, and harmonica
Up to 5 effects can be used simultaneously, chained together in any order
50 memory locations for storing user-created patches
Looper for recording up to 30 seconds / 64 beats of CD-quality audio with seamless start and end times
68 built-in rhythm patterns tailored for unplugged styles of music can be used in combination with the Looper
Onboard chromatic tuner supports all standard guitar tunings, including open and drop tunings
Power Supply
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); Power can also be supplied through the USB port.
