Zoom AMS-22 User manual

You must read the Usage and Safety Precautions before use.
Quick Tour
The Operation Manual can be downloaded from the ZOOM website (www.zoom.jp/docs/ams-22).
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© 2022 ZOOM CORPORATION
Copying or reprinting this manual in part or in whole without permission is prohibited.
You might need this manual in the future. Always keep it in a place where you can access it easily.
The contents of this manual and the specifications of the product could be changed without notice.

2
Connecting to a computer
USB Type-C
(A USB cable that supports
data transmission must
be used.)
Computer
(Mac/Windows)
Conrm that the power indicator is lit red.
A dedicated driver is necessary when connecting an AMS-22 to a Windows computer to
make music using a DAW.
Dedicated drivers can be downloaded from product pages on the ZOOM website
(zoomcorp.com). Follow the instructions in the “Product driver installation guide” to
install the ZOOM AMS-22 Driver.

3
Connecting instruments and mics
Guitar
Bass Condenser mic
Dynamic mic
Instrument cable
Mic cable
■48V switch
Use when connecting condenser mics
Use when connecting dynamic mics
Tablet or other
device
Stereo mini
cable
Sounds input through the MIC/GUITAR and LINE IN jacks at the same time will be mixed.

4
Adjusting input gain
Adjust the MIC/GUITAR jack input signal
level. Set it so that the level indicator does
not light red.
Using direct monitoring
When the DIRECT MONITOR switch is ON, sound input to the AMS-22 can
be directly monitored from the OUTPUT and headphone jacks (before it
passes through the computer).
Adjusting the volume
Speakers Headphones

5
Functions of parts
■Top
①GAIN knob
Use this to adjust the input signal level
from the MIC/GUITAR jack.
②Level indicator
This indicator shows the signal level
after gain knob adjustment.
The indicator color changes according to
the signal level.
Lit green: Input signal is present.
Lit red: Input signal is clipping.
③POWER indicator
This lights when the power is on.
④OUTPUT knob
Use this to adjust the volumes of signals
output from the OUTPUT standard
phone jacks and the Headphone jack.
■Left side ■Right side
①48V switch
This turns +48V phantom power ON/
OFF. Set this to ON when connecting
condenser mics.
②DIRECT MONITOR switch
Set this to ON to directly monitor sound
from the MIC/GUITAR jack before it
passes through the computer.
③LOOPBACK switch
Set this to ON to send a mix of the
sounds played by the computer and
input through the AMS-22 back to the
computer.

6
■Front ■Back
①MIC/GUITAR jack
This input jack has a built-in mic pre-
amp. Connect mics, keyboards, guitars
and other audio sources to this. This
can be used with both XLR and standard
phone (balanced or unbalanced) plugs.
XLR
12
3
1: GND
2: HOT
3: COLD
②LINE IN jack
Use this LINE jack to connect tablets
and other devices with a stereo mini
cable.
③Headphone jack
This outputs a stereo signal. Connect
headphones to this.
④OUTPUT standard phone jacks
These output the left (L) and right (R)
channels of a stereo signal. Connect
these to speakers with built-in ampliers,
for example.
⑤USB port (Type-C)
Use this USB port to connect computers,
smartphones and tablets.
⑥DC 5V port (Type-C)
Use this power supply USB port to con-
nect an AC adapter or mobile battery.

7
Using smartphones and tablets
During use with a smartphone or tablet, an external power supply must be used.
Providing external power
Dedicated AC adapter
ZOOM AD-17
USB Type-C
Conrm that the power indicator is lit red.
Connecting
USB Type-C
(A USB cable that supports
data transmission must
be used.)
Smartphone/
tablet
To connect smartphones and tablets, USB cables and adapters that match the connectors
are necessary.
Connector type Necessary USB cable/adapter
Lightning connector USB Type-A to Type-C cable, Lightning to USB 3 Camera Adapter
Type-C connector USB Type-C to Type-C cable

Z2I-4388-01
ZOOM CORPORATION
4-4-3 Kanda-surugadai, Chiyoda-ku, Tokyo 101-0062 Japan
zoomcorp.com
Product names, registered trademarks and company names in this document are the property of their respective companies.
Windows®is a trademark or registered trademark of Microsoft®Corporation. Mac is a trademark or registered trademark of
Apple Inc.
All trademarks and registered trademarks in this document are for identification purposes only and are not intended to infringe
on the copyrights of their respective owners.
Troubleshooting
Cannot select or use the AMS-22 device
→Conrm that the AMS-22 has been connected
correctly on the computer.
→Quit all software that is using the AMS-22. Then,
disconnect and reconnect the USB cable con-
nected to the AMS-22.
→Connect the AMS-22 directly to a USB port on the
computer. Do not connect it using a USB hub.
→When connecting to a Windows computer, install-
ing the dedicated driver can resolve problems
with applications other than DAWs.
→Reinstall the driver.
The sounds of devices connected to input
jacks are distorted, too quiet or silent
→When using a condenser mic, set the 48V switch
to ON.
→Conrm that the level indicator is not lighting red.
If it is lighting red, lower the GAIN knob.
→Adjust the GAIN knob.
→Adjust the OUTPUT knob.
Cannot play or record
→Conrm that the sound setting of the computer
being used is set to "ZOOM AMS-22".
→Conrm that AMS-22 is set for input and output in
the software being used.
→Quit all software that is using the AMS-22. Then,
disconnect and reconnect the USB cable con-
nected to the AMS-22.
Playback sound cannot be heard or is quiet
→Check the connections and volume settings of the
speakers.
→Adjust the OUTPUT knob.
Recorded audio is too loud, too quiet or
silent
→Adjust the GAIN knob.
A smartphone or tablet cannot be used
→Conrm that the external power supply is con-
nected correctly.
Sound skips during playback or recording
→If the audio buffer size of the software being used
can be adjusted, increase it.
→Turn off the automatic sleep function and other
computer power saving settings.
→Connect the AMS-22 directly to a USB port on the
computer. Do not connect it using a USB hub.