Zoom's A3 Preamp / Effects Pedal for Acoustic Guitar not only adds to the creative possibilities of your sound, with acoustic guitar modeling and emulation and onboard effects, but also solves common technical issues during live performance, with its gain-boosting and feedback-control
Effect Types. 40 effects plus 28 guitar models
Simultaneous Effects 3
Patches 20
Sampling Frequency 44.1 kHz
AD/DA Conversion 24-bit 128x oversampling
Signal Processing 32-bit floating point and 32-bit fixed point
Frequency Response 40 Hz to 20 kHz (+1 dB/-3 dB) (10 kOhms load)
Display LCD
Input 1 x 1/4" mono jack (pickup)
1 x XLR/TRS combo (microphone)
Rated Input. -20 dBm
Input Impedance 1 MOhm
Outputs 1 x 1/4" (6.35 mm) stereo jack (left/mono/headphones)
1 x 1/4" (6.35 mm) mono jack (right)
1 x XLR (balanced)
Maximum Output Level Line: +5 dBm (with at least 10 kOhms load)
Headphones: 20 mW + 20 mW (32 Ohms load)
Output Impedance Balanced Out:
100 Ohms (hot-ground, cold-ground)
200 Ohms (hot-cold)
Output Switching GND LIFT (ground lift)
Signal to Noise Ratio 120 dB (equivalent input noise)
Noise Floor -100 dBm
Power 4 x AA batteries (LR6) (8 hour battery life when using 4 AA alkaline batteries)
9 VDC (center-negative), 500 mA (Zoom AD-16)
USB For firmware update
Dimensions 4.3 x 2.2 x 6.3" / 108.0 x 54.9 x 160.3 mm
Weight 22.6 oz / 640 g (without batteries)