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With specially engineered effects, built-in looper and drum machine, the Zoom A1 FOUR Acoustic Instruments Effects Pedal is one of the first Multi-Effects Processor designed for a variety of acoustic string and wind instruments.
The A1 FOUR is preloaded with over 80 effects, including more than 35 new groundbreaking effects designed and engineered for acoustic instruments. Effortlessly toggle between patches and effects with two performance modes. MEMORY mode makes it easy to program your entire setlist by jumping from patch-to-patch. Use STOMP mode to turn individual effects on and off with the tap of your foot.
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 |
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) |
Aux Input | Stereo mini jack Rated input level: -10 dBu Input impedance (line): 1kΩ |
Input S/N | 120dB |
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. |
External dimensions |
A1 FOUR
Power adaptor
|
With specially engineered effects, built-in looper and drum machine, the Zoom A1 FOUR Acoustic Instruments Effects Pedal is one of the first Multi-Effects Processor designed for a variety of acoustic string and wind instruments.
The A1 FOUR is preloaded with over 80 effects, including more than 35 new groundbreaking effects designed and engineered for acoustic instruments. Effortlessly toggle between patches and effects with two performance modes. MEMORY mode makes it easy to program your entire setlist by jumping from patch-to-patch. Use STOMP mode to turn individual effects on and off with the tap of your foot.
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 |
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) |
Aux Input | Stereo mini jack Rated input level: -10 dBu Input impedance (line): 1kΩ |
Input S/N | 120dB |
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. |
External dimensions |
A1 FOUR
Power adaptor
|