Marshall Amplification STANMORE III Setup guide

STANMORE 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®, AUX, and RCA
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
Stanmore 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 RCA INPUT (LEFT AND RIGHT)
Plug in an RCA audio device, such as an RIAA turntable.
7 POWER INPUT
Use the included mains lead to connect Stanmore 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 STANMORE III from your audio device’s Bluetooth list.
Stanmore 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.
CONNECTING AN RCA DEVICE
I. Connect a lead with RCA jacks to the RCA input on the back of the speaker.
II. Connect the other end of the lead to the output on your audio source.
III. Use the source button to select RCA.
Note: The turntable must be equipped with an RIAA amplifier or connected via
a separate preamplifier. Audio lead and RIAA amplifier are not included.
NETWORK STANDBY MODE
Stanmore 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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STANMORE 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 STANMORE 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 Stanmore 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 aected
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

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