Marshall Amplification ACTON III Setup guide
ACTON III – HOME BLUETOOTH®SPEAKER
FULL ONLINE MANUAL
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DEVICE LAYOUT ENGLISH
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DEVICE LAYOUT ENGLISH
1 3.5 MM INPUT
Plug in an analogue audio device with a 3.5 mm stereo jack.
2 SOURCE SELECTION
Push the source button to toggle between Bluetooth®and AUX audio
sources. A lit indicator shows which source is selected. This can also
be selected from the Marshall Bluetooth app.
Caution: Make sure that the volume is set to low on both the speaker
and the audio device before using the speaker.
3 AUDIO CONTROLS
Acton III includes three controls for adjusting the audio.
I. Volume control
II. Bass control
III. Treble control
4 MEDIA CONTROL
Control the audio directly from the top panel when playing via Bluetooth.
I. Push to play or pause
II. Push right to skip forward
III. Push left to skip back
IV. Hold left or right to rewind or fast forward
Playback can also be controlled from the Marshall Bluetooth app.
5 POWER SWITCH
Use the power switch to turn the speaker on or o.
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6 POWER INPUT
Use the included mains lead to connect Acton III to the wall socket.
DEVICE LAYOUT ENGLISH
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INSTRUCTIONS ENGLISH
GETTING STARTED
I. Connect the mains lead to the mains input on your speaker, then connect
the mains plug to the wall socket.
II. Use the power switch to turn the speaker on.
III. Download the Marshall Bluetooth app and follow the in-app instructions
to set up your speaker.
Important: Always ensure that the mains lead, plug and speaker are
compatible with your mains supply and wall socket.
Caution: Always unplug the mains lead from the wall socket before
disconnecting it from the speaker.
BLUETOOTH PAIRING
I. Use the source button to select Bluetooth.
II. Push and hold the source button until the Bluetooth LED pulses red.
III. Select ACTON III from your audio device’s Bluetooth list.
Acton III can be connected to two Bluetooth devices at the same time. If a
connected device is playing, a second connected device cannot start playing
until the first device is paused.
CONNECTING AN AUX DEVICE
I. Connect a 3.5 mm stereo jack to the AUX input on the top of the speaker.
II. Connect the other end of the lead to the audio output on your audio source.
III. Use the source button to select AUX.
Note: Audio leads are not included.
NETWORK STANDBY MODE
Acton III will go into network standby if left unused for 10 minutes to save
energy. Any connected Bluetooth device will be disconnected.
Interact with any control or button on the top panel, reconnect a Bluetooth
device or play anything via the physical inputs to wake up the speaker.
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ACTON III - FULL ONLINE MANUAL
INSTRUCTIONS ENGLISH
PERFORMING A FACTORY RESET
A factory reset will return the speaker to its original settings, excluding any
firmware updates.
Note: This will delete all user settings and the speaker needs to be set up again.
I. Push and hold the media control for more than 10 seconds and the
speaker will reset.
II. Remove ACTON III from your audio device’s Bluetooth list before
pairing again.
MARSHALL BLUETOOTH APP
Download the Marshall Bluetooth app to get the most out of your speaker
and keep it up to date with the latest software.
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PROBLEM CAUSE ACTION
The speaker does not
turn on
The speaker is not
connected to mains
electricity supply.
Connect the mains lead
to the speaker and a
working wall socket.
The speaker is not
responding
A software problem
has occurred.
Unplug the mains
power plug from the
wall socket, wait for
15 seconds, then plug
it in again.
There is no audio or
audio is too low
The wrong audio source
is selected.
Use the source button to
select the audio source.
The audio device is
not connected.
Ensure that the device is
connected to Acton III.
Volume is set too low on
either the audio source
or the speaker.
Slightly increase the
volume on your audio
source or the speaker.
The audio is
distorted
Volume is set too high
on the audio source.
Turn down the
playback volume on
the audio source.
The volume, bass, or
treble is set too high on
the speaker.
Lower the volume,
bass, or treble on the
speaker.
TROUBLESHOOTING ENGLISH
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PROBLEM CAUSE ACTION
Cannot connect
or pair with a
Bluetooth device
Bluetooth is not
enabled on your device
(smartphone, tablet,
computer).
Activate Bluetooth on
your audio device.
A Bluetooth device is
already connected to
the speaker.
Disconnect the
connected Bluetooth
audio device before
setting the speaker in
pairing mode.
The speaker is not in
pairing mode.
I. Use the source
button to select
Bluetooth.
II. Push the source
button until the
Bluetooth LED
pulses red.
Bluetooth connection
drops out
The two Bluetooth
devices are too
far apart, or the
connection is aected
due to obstacles.
Move the devices
closer to each other
so that they are
unobstructed by
obstacles such as walls
or doors.
TROUBLESHOOTING ENGLISH
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PROBLEM CAUSE ACTION
Bluetooth connection
drops out
There is a strong
electric field
surrounding the
speaker. Items such
as microwave ovens,
wireless network
adapters, fluorescent
lights and gas cookers
use the same frequency
range as the Bluetooth
device. This may lead to
electrical disturbances.
Move the speaker to
another spot or turn o
or move the interfering
electronic device.
Erratic behaviour The speaker is not
using the latest
firmware version.
Download the Marshall
Bluetooth app and
connect to the speaker.
Follow the in-app
instructions to ensure
that the speaker has the
latest firmware version.
There is a
software error.
Perform a factory reset
by pressing the media
control for more than 10
seconds. The speaker
needs to be set up
again, see the GETTING
STARTED instructions.
TROUBLESHOOTING ENGLISH
MARSHALLHEADPHONES.COM
Design of device and packaging are intellectual properties of Zound Industries International AB and Marshall
Amplification Plc. ©All Rights Reserved. MARSHALL, Marshall Amps, their respective logos, “Marshall”
and “Marshall” trade dress are trademarks and intellectual property of Marshall Amplification Plc and may
not be used without permission. Permission granted to Zound Industries International AB. The Bluetooth®
wordmark and logos are registered trademarks owned by the Bluetooth SIG, Inc. and any use of such marks
by Zound Industries International AB is under license. Google Play is a trademark of Google LLC. App Store
is a service mark of Apple Inc., registered in the U.S. and other countries. R 0.7
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