Marshall Stanmore II Bluetooth User Manual

Introduction

This document provides comprehensive instructions for the Marshall Stanmore II Bluetooth wireless home speaker.

Legal & Trademark Notice

Design of device and packaging are intellectual properties of Zound Industries International AB and Marshall Amplification Plc. All Rights Reserved. Zound Industries International AB is hereinafter referred to as “Zound Industries” or “manufacturer”.

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.

Qualcomm aptX is a product of Qualcomm Technologies International, Ltd. Qualcomm is a trademark of Qualcomm Incorporated, registered in the United States and other countries, used with permission. aptX is a trademark of Qualcomm Technologies International, Ltd., registered in the United States and other countries, used with permission.

The Bluetooth® wordmark and logos are registered trademarks owned by the Bluetooth SIG, Inc. and any use of such marks by Zound Industries is under license.

Apple and the Apple logo are trademarks of Apple Inc., registered in the U.S. and other countries. App Store is a service mark of Apple Inc., registered in the U.S. and other countries.

Google Play and the Google Play logo are trademarks of Google LLC.

All other trademarks are the property of their respective owners and may not be used without permission.

For more legal information related to this product and to its use in your specific region, and for more detailed information about Zound Industries and partner & license information, please visit the website: www.marshallheadphones.com. The user is recommended to visit the website regularly for up-to-date information.

Zound Industries International AB, Centralplan 15, 111 20 Stockholm, Sweden

Box Contents

The box contains:

001. Marshall Stanmore II Wireless Home Bluetooth® Speaker
002. Quick Start Guide
003. Important Safety Instructions
004. Mains Lead

[Illustration shows the speaker, guides, and mains lead packaged in a box.]

General Description

Top Panel Components:

001. AUX INPUT FOR 3.5 mm JACK
002. SOURCE INDICATORS
003. SOURCE BUTTON
004. VOLUME KNOB
005. BASS KNOB
006. TREBLE KNOB
007. PLAY/PAUSE BUTTON
008. POWER LEVER

[Illustration shows the top panel of the speaker with numbered components and a view of the speaker itself.]

Back Panel Components:

009. BASS PORT
010. BACKPLATE: Contains the date code and serial number sticker.
011. RCA INPUT (LEFT AND RIGHT)
012. MAINS INPUT
013. MAINS LEAD

[Illustration shows the back panel of the speaker with numbered components, including mains input and RCA inputs. It also shows the mains lead and plug.]

Plugging In the Stanmore II

IMPORTANT: Always ensure that the mains lead, power jack, and speaker are compatible with your mains supply and wall socket.

Connect the mains lead into the mains input on the speaker. [Illustration shows mains lead connecting to speaker.]
Connect the power jack to the wall socket. [Illustration shows plug connecting to wall socket.]

⚠️ CAUTION: Always unplug the mains lead from the wall socket before disconnecting it from the speaker.

Turning the Stanmore II On/Off

To Turn ON: Pull and hold the POWER LEVER towards the front of the speaker until the power-on sound plays and the indicators light up. [Illustration shows the power lever being pulled.]

To Turn OFF: Pull and hold the POWER LEVER towards the front of the speaker until the power-off sound plays and all indicators turn off. [Illustration shows the power lever being pulled.]

Setting Up the Stanmore II

Configure the speaker with the Marshall Bluetooth® app to get the most out of it. The app is available from the App Store and Google Play.

Download the Marshall Bluetooth® app and follow the in-app instructions. [Illustration shows a smartphone with the App Store and Google Play icons.]

Selecting Audio Source

Connect to your Stanmore II wirelessly or by cable:

[Bluetooth] Wireless Bluetooth Connection
AUX - 3.5 mm Stereo Jack
RCA - Double RCA (Left and Right) Jacks

Instructions:

Push the SOURCE button to toggle between Bluetooth, AUX, and RCA audio sources. [Illustration shows the source button being pressed.]
A lit indicator shows which source is selected.

The source 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 source before using the speaker.

Connecting via Bluetooth (Pairing)

Select Bluetooth as the input. Pushing the SOURCE button toggles the input sources.
Push and hold the SOURCE button for 2 seconds. The Bluetooth indicator starts to blink. [Illustration shows the source button being held.]
Enable Bluetooth on your device (smartphone, tablet, computer). [Illustration shows a smartphone with Bluetooth enabled.]
Select "Stanmore II" from the Bluetooth list and accept pairing. The Bluetooth indicator on the speaker stops blinking and remains lit when the units are connected.

Stanmore II can be connected to two Bluetooth devices simultaneously. Playing a connected Bluetooth device will make it the selected audio source, pausing any previously played audio on the second device.

Connecting via AUX Input

Connect a 3.5 mm stereo jack to the input labelled AUX on the top of the speaker. [Illustration shows a 3.5mm jack connecting to the AUX input.]
Connect the other end of the lead to the audio output on your audio source.
Select AUX as the input. Pushing the SOURCE button toggles the input sources. [Illustration shows the source button being pressed.]

[Note: Audio leads are not included with the Stanmore II.]

Connecting via RCA Input

Connect a lead with RCA jacks to the inputs labelled RCA on the back of the speaker. [Illustration shows RCA jacks connecting to the back panel.]
Connect the other end of the lead to the output on your audio source.
Select RCA as the input. Pushing the SOURCE button toggles the input sources. [Illustration shows the source button being pressed.]

[Note: A connected turntable must be equipped with a RIAA amplifier or a separate preamplifier.]

Adjusting the Volume/Bass/Treble

The Stanmore II includes three controls for adjusting the audio:

001. VOLUME KNOB
002. BASS KNOB
003. TREBLE KNOB

[Illustration shows the three knobs on the top panel and close-ups of each knob indicating volume, bass, and treble settings from 0 to 10.]

[Note: The audio can also be adjusted from the Marshall Bluetooth® app.]

Play/Pause Control

The Stanmore II has a play/pause button to control music when playing via Bluetooth.

001. Single-click to either play or pause. [Illustration shows a single tap on the button.]
002. Double-click to skip forward. [Illustration shows two taps on the button.]
003. Triple-click to skip back. [Illustration shows three taps on the button.]

[Note: Playback can also be controlled from the Marshall Bluetooth® app.]

Couple Speakers

Two Acton II, Stanmore II, or Woburn II speakers can be coupled to act as one sound system. There are two modes:

AMBIENT MODE: Two speakers play the same audio synchronised, with each speaker playing both left and right channels. Choose this mode if speakers are placed at different heights, directions, or areas of the room. [Illustration shows two speakers in separate locations.]
STEREO MODE: Two speakers of the same size are coupled as a stereo pair, with one speaker handling the left channel and the other the right. Choose this mode if speakers are placed at the same height, equal distance, and facing the same direction. [Illustration shows two speakers side-by-side.]

To couple two speakers:

Open the Marshall Bluetooth® app and connect to your speakers. [Illustration shows a smartphone connected to a Stanmore II.]
Go to "Couple Speakers" and follow the in-app instructions. [Illustration shows numbered steps in the app.]

[Note: Make sure your audio device is only connected via Bluetooth to one speaker when playing on coupled speakers.]

Standby Mode

If the Stanmore II is left unused for 20 minutes, it enters standby mode to save energy. In this mode, all indicators are off.

To wake the speaker: Interact with any button or knob on the top panel. [Illustration shows interaction with the top panel.]

[Note: The speaker can also be woken from the Marshall Bluetooth® app.]

Technical Information

Acoustic Specification:

Stereo Loudspeaker with Bass Reflex System
Digital Class D Amplifiers: 2 x 15 W + 1 x 50 W
Tweeters: 2 x ¾" dome tweeters
Woofer: 1 x 5¼" woofer
Bass and Treble Tone Controls
Frequency Response: 50–20,000 Hz ±6 dB
Maximum Sound Pressure Level: 101 dB SPL @ 1 m

Connectivity:

Bluetooth®: Bluetooth 5.0 with Qualcomm® aptX™
AUX: 3.5 mm stereo jack
RCA: RCA (left and right)

General Technical Information:

Mains Input Voltage: 100–240 VAC
Mains Frequency: 50–60 Hz
Size: 350 x 195 x 185 mm
Weight: 4.65 kg

[Note: The front of the speaker is not removable. This illustration shows the internal speaker layout. Do not attempt to remove the fret to avoid damaging the speaker.]

Troubleshooting

PROBLEM	CAUSE	ACTION
THE STANMORE II DOES NOT TURN ON	The speaker is not connected to a mains electricity supply.	Connect the mains lead to the Stanmore II and a working wall socket. Pull and hold the power lever towards the front of the speaker until the indicators light up.
THERE IS NO AUDIO OR AUDIO IS TOO LOW	The wrong audio source is selected.	Ensure that the device is connected to the Stanmore II.
	Volume is set too low on either the audio source or the speaker.	Slightly increase the volume on your audio source or the speaker.
CANNOT CONNECT OR PAIR WITH A BLUETOOTH DEVICE	Bluetooth is not enabled on your device (smartphone, tablet, computer).	Activate Bluetooth on your device.
	There are already two devices connected to the speaker.	Disconnect one of the connected Bluetooth devices before connecting to the speaker.
	The speaker is not in pairing mode.	Push and hold the Bluetooth button for 3 seconds to make the speaker discoverable by the device.
THE SPEAKER IS NOT RESPONDING	A software problem has occurred.	Unplug the speaker mains plug from the wall socket, wait for 15 seconds, then plug it in again.
BLUETOOTH CONNECTION DROPS OUT	The two Bluetooth devices are too far apart or the connection is affected due to obstacles.	Move the devices closer so that they are within 10 metres, and unobstructed by obstacles such as walls or doors.
	There is a strong electric field surrounding the Stanmore II.	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.
THERE IS A CRACKLING SOUND	The amplifier is clipping as it has run out of output power.	Decrease the volume on your audio source.
		Lower the volume or bass on the Stanmore II.
THE AUDIO IS DISTORTED	Volume is set too high on the audio source.	Turn down the playback volume on the audio source.
	The audio stream or audio file is of poor quality.	Try another audio file or music player.
	Volume is set too high on the Stanmore II.	Lower the volume on the speaker.
	Too much bass/treble on the speaker.	Lower the bass/treble on the speaker.
ERRATIC PERFORMANCE	Interference from another electronic device.	Move the Stanmore II to another spot.
		Turn off or move the interfering electronic device.

NOTES: A Bluetooth device could cause audio-related or technical faults, depending on use, in the following cases:

When some part of the body is in contact with the receiving/transmitting system for the Bluetooth device or the Stanmore II.
Electrical variations due to obstacles in the form of walls, corners, etc.
Exposure to electrical disruptions from devices within the same frequency band, for example medical equipment, microwave ovens, and wireless networks.

This wireless device may cause electrical disruptions during use.

More Information

For more information, visit: www.marshallheadphones.com

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