Marshall Portable Stereo Loudspeaker User Manual

Marshall Portable Stereo Loudspeaker User Manual

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.
• 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

DISCLAIMER

For use with mobile devices using 3.5 mm jack unprotected two-way standard.

Stated play time is calculated using random selection of music, played at medium volume.

The information contained herein is correct at the time of publication, with reservation for editorial errors. Compatibility with future versions of this product is not guaranteed.

BOX CONTENTS

1. MARSHALL STOCKWELL II PORTABLE STEREO LOUDSPEAKER
2. DETACHABLE CARRY STRAP
3. USB-C POWER LEAD
4. QUICK START GUIDE
5. IMPORTANT SAFETY INSTRUCTIONS

GENERAL DESCRIPTION

1. Bluetooth® BUTTON
2. POWER/VOLUME KNOB
3. BASS KNOB
4. TREBLE KNOB
5. BATTERY LEVEL INDICATOR
6. FRONT DRIVER

7. CARRY STRAP
8. REAR DRIVER
9. USB-C POWER INPUT/OUTPUT CONNECTOR
10. AUX INPUT FOR 3.5 mm JACK

ATTACHING THE CARRY STRAP

THE STOCKWELL II FEATURES A DETACHABLE CARRY STRAP FOR EASY PORTABILITY.

1. POSITION THE HOLE IN THE CARRY STRAP OVER THE PIN ON THE SIDE
   OF THE SPEAKER.

2. GENTLY WORK THE STRAP AROUND THE PIN UNTIL IT IS FASTENED
   INTO POSITION.

3. REPEAT THE PROCEDURE ON THE OPPOSITE SIDE OF THE SPEAKER.

NOTE: ENSURE THAT THE CARRY STRAP IS SECURELY FASTENED ON BOTH SIDES BEFORE USE.

CHARGING THE INTERNAL BATTERY

STOCKWELL II IS EQUIPPED WITH AN INTERNAL BATTERY, CAPABLE OF MORE THAN 20 HOURS OF PLAYTIME AT MID VOLUME. FOR OPTIMISED CHARGING, USE A 12 V, 3 A ADAPTER (NOT INCLUDED). THE STOCKWELL II WILL CONTINUE CHARGING WHEN TURNED OFF OR IN STANDBY MODE.

1. CONNECT THE USB LEAD TO THE USB-C CONNECTOR ON THE SIDE OF THE SPEAKER AND THE OTHER END TO A USB POWER SOURCE.
2. THE BARS ON THE BATTERY LEVEL INDICATOR WILL DISPLAY A RISING ANIMATION DURING CHARGING.
3. THE BATTERY IS FULLY CHARGED WHEN THE ANIMATION STOPS AND ALL THE BARS REMAIN LIT.

NOTE: THE INDICATOR IS DIMMED DURING NORMAL OPERATION TO SAVE BATTERY POWER . TURNING ANY KNOB WILL MAKE THE INDICATOR LIGHT UP.

TURNING THE STOCK WELL II ON/OFF

THE VOLUME CONTROL ALSO TURNS THE STOCKWELL II ON AND OFF.

1. TURN THE VOLUME KNOB CLOCKWISE TO THE DESIRED VOLUME AND
   THE SPEAKER TURNS ON.

2. THE BATTERY LEVEL INDICATOR SHOWS THE BATTERY CHARGE.

3. TO TURN THE SPEAKER OFF, TURN THE VOLUME KNOB FULLY COUNTERCLOCKWISE UNTIL YOU HEAR A CLICK.
   ALL INDICATORS TURN OFF.

CAUTION: MAKE SURE THE VOLUME IS SET TO LOW ON BOTH THE SPEAKER AND THE AUDIO SOURCE BEFORE USING THE SPEAKER.

CONNECTION ALTERNATIVES

YOU CAN CONNECT UP TO THREE AUDIO SOURCES TO THE STOCKWELL II
SIMULTANEOUSLY, UP TO TWO BLUETOOTH DEVICES AND ONE AUX DEVICE.
THE STOCKWELL II DETECTS WHEN A CONNECTED AUDIO DEVICE STARTS
PLAYING, AND MAKES IT THE SELECTED INPUT SOURCE.

CONNECTING VIA Bluetooth (PAIRING)

THE STOCKWELL II CAN BE CONNECTED TO TWO Bluetooth DEVICES AT THE
SAME TIME. WHEN TWO Bluetooth DEVICES ARE CONNECTED, PLAYING ONE
WILL PAUSE THE OTHER.

1. PUSH AND HOLD THE Bluetooth BUTTON FOR 2 SECONDS, UNTIL THE Bluetooth INDICATOR STARTS TO BLINK.
2. WITH Bluetooth ENABLED ON YOUR DEVICE (SMARTPHONE, TABLET, COMPUTER), SELECT STOCKWELL II FROM THE Bluetooth LIST AND ACCEPT PAIRING.
3. THE Bluetooth INDICATOR ON THE SPEAKER STOPS BLINKING AND REMAINS LIT WHEN THE UNITS ARE CONNECTED
4. PRESS PLAY ON YOUR AUDIO DEVICE.

THE STOCKWELL II WILL REMEMBER THE LAST 8 PAIRED Bluetooth DEVICES. WHEN MULTIPLE PAIRED DEVICES ARE IN RANGE, THE SPEAKER WILL ATTEMPT TO CONNECT TO THEM IN THE ORDER THEY WERE MOST RECENTLY USED, UNTIL TWO DEVICES ARE CONNECTED.

CONNECTING VIA AUX INPUT

1. CONNECT A 3.5 mm STEREO JACK TO THE INPUT LABELLED AUX ON THE SIDE OF THE SPEAKER.

2. CONNECT THE OTHER END OF THE LEAD TO THE AUDIO OUTPUT ON
   YOUR AUDIO DEVICE.

3. PRESS PLAY ON YOUR AUDIO DEVICE.

CHOOSING AN AUDIO SOURCE

1. PRESS PLAY ON ANY CONNECTED DEVICE TO MAKE IT THE SELECTED AUDIO SOURCE. IF ANOTHER Bluetooth DEVICE IS ALREADY PLAYING, IT WILL PAUSE AUTOMATICALLY.
2. PUSHING THE Bluetooth BUTTON ALSO TOGGLES BETWEEN CONNECTED DEVICES.

ADJUSTING THE VOLUME/BASS/TREBLE

THE STOCK WELL II INCLUDES THREE KNOBS FOR ADJUSTING THE AUDIO.

1. VOLUME KNOB
2. BASS KNOB
3. TREBLE KNOB

STANDBY MODE

IF THE STOCKWELL II IS LEFT UNUSED FOR 10 MINUTES, THE SPEAKER ENTERS STANDBY MODE TO SAVE BATTERY CHARGE. IN STANDBY MODE ALL
BATTERY INDICATORS ARE OFF AND THE SPEAKER NO LONGER RESPONDS TO INPUT FROM ATTACHED DEVICES.

1. QUICKLY PUSH THE Bluetooth BUTTON TO WAKE THE STOCKWELL II FROM STANDBY MODE.

CHARGING A DEVICE FROM THE SPEAKER

YOU CAN USE THE USB-C INPUT ON THE SIDE OF THE STOCKWELL II TO CHARGE YOUR PHONE, TABLET OR OTHER COMPATIBLE DEVICE. A LEAD WITH USB-C CONNECTOR AND A SUITABLE CONNECTOR FOR YOUR DEVICE IS
REQUIRED (NOT INCLUDED). THE STOCKWELL II MUST BE TURNED ON AND
HAVE A BATTERY CHARGE OF MORE THAN 2 BARS TO CHARGE AN EXTERNAL
DEVICE.

1. ENSURE THAT THE SPEAKER BATTERY IS CARRYING A CHARGE.
2. CONNECT THE USB-C END OF THE LEAD TO THE SPEAKER.
3. CONNECT THE OTHER END TO YOUR DEVICE.

NOTE: CHARGING EXTERNAL DEVICES FROM YOUR SPEAKER WILL REDUCE PLAYBACK TIME.

TECHNICAL INFORMATION

ACOUSTIC SPECIFICATION

• PORTABLE STEREO LOUDSPEAKER WITH BASS REFLEX SYSTEM
• DIGITAL CLASS D AMPLIFIERS: 1 X 10 W + 2 X 5 W
• 2″ FULL RANGE DRIVERS: X 2
• 3″ WOOFER: 1X
• BASS AND TREBLE TONE CONTROLS
• FREQUENCY RESPONSE: 60–20,000 Hz ±6 dB
• MAXIMUM SOUND PRESSURE LEVEL: 80 dB SPL @ 1 m

CONNECTIVITY

• BLUETOOTH®: Bluetooth 5.0
• AUX: 3.5 mm stereo jack

TECHNICAL INFORMATION

• POWER INPUT: 5-12 V USB-C
• SIZE: 179.5 X 161 X 70.1 mm
• WEIGHT: 1.38 kg

BATTERY

• BATTERY TYPE: Built-in, rechargeable Li-ion battery
• PLAYTIME: 20+ h
• CHARGING TIME: 2.5 h

NOTE: THIS ILLUSTRATION IS ONLY INTENDED TO SHOW THE INTERNAL SPEAKER LAYOUT. ATTEMPTING TO REMOVE THE FRONT OR REAR GRILLE WILL RESULT IN DAMAGE.

TROUBLESHOOTING

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 STOCKWELL 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.

WWW.MARSHALLHEADPHONES.COM

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References

• Marshall — 60 years of loud | Marshall.com

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