ZOOM A1X FOUR/M Multi-Effect for Acoustic Instruments
Features
- 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
- ZOOM Guitar Lab software for creating, editing and managing effects and patches
- 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
- Output jack for connection to amp or headphones
- A1X FOUR runs on 4 AA batteries, with alkaline battery life of 18 hours; MAA-1 Requires 2 AA batteries
- USB port for firmware updates, power and connection to ZOOM Guitar Lab
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 | 128×32 dot matrix LCD |
INPUT
| INPUT | Standard mono phone jack Rated input level: -20 dBuInput impedance (line): 470 kΩ |
| AUX IN | Stereo mini jack Rated input level: -10 dBuInput 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 | 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 | Height: 156 mm (D) × 216 mm (W) × 52 mm (H)Weight: 610 g (excluding batteries) |
MAA-1
| INPUT | INPUT XLR balanced input (2: hot) Input gain: +3 – +30 dBInput impedance: 10 kΩMaximum input level: +4 dBu+48V phantom power |
| OUTPUT | Standard mono phone jack Nominal output level: −20 dBuMaximum output level: +7 dBuOutput impedance: 1 kΩ |
| POWER | 2 AA batteries Continuous operation time (when phantom current is 3 mA) About 15 hours (using alkaline batteries) About 15 hours (using nickel metal hydride batteries) |
| EXTERNAL DIMENSIONS | Height: 177 mm (D) × 23 mm (W) × 25 mm (H) Weight : 70 g (excluding batteries) 0 dBu = 0.775 V |


















