JBL L75ms User manual

Owners Manual
©2022 Harman International Industries, Incorporated
Features, Specifications, and Appearance subject to change without notice.
L75ms
Integrated Music System

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L75ms Owners Manual | Rev1.0 20220201 | JBL.com/Specialty-Audio/
IMPORTANT SAFETY INSTRUCTIONS
1. Read these instructions.
2. Keep these instructions.
3. Heed all warnings.
4. Follow all instructions.
5. Clean only with a dry cloth.
6. Do not block any ventilation openings. Install
this apparatus in accordance with the
manufacturer’s instructions.
7. Do not install this apparatus near any heat
sources such as radiators, heat registers,
stoves or other apparatus (including
amplifiers) that produce heat.
8. Do not defeat the safety purpose of the
polarized or grounding-type plug. A polarized
plug has two blades with one wider than the
other. A grounding-type plug has two blades
and a third grounding prong. The wide blade
or the third prong is provided for your safety. If
the provided plug does not fit into your outlet,
consult an electrician for replacement of the
obsolete outlet.
9. Protect the power cord from being walked on
or pinched, particularly at plugs, convenience
receptacles and the point where they exit from
the apparatus.
10. Use only attachments/accessories specified by
the manufacturer.
11. Use only with the cart, stand,
tripod, bracket, or table
specified by the
manufacturer or sold with the
apparatus. When a cart is
used, use caution when
moving the cart/apparatus
combination to avoid injury
from tip-over.
12. Unplug this apparatus during lightning storms
or when unused for long periods of time.
13. Refer all servicing to qualified service
personnel. Servicing is required when the
apparatus has been damaged in any way,
such as when the power-supply cord or plug is
damaged, liquid has been spilled or objects
have fallen into the apparatus, or the
apparatus has been exposed to rain or
moisture, does not operate normally or has
been dropped.
14. To disconnect this apparatus from the AC
mains completely, disconnect the power-
supply cord plug from the AC receptacle.
15. The mains plug of the power-supply cord shall
remain readily operable.
16. This apparatus is intended to be used only
with the power supply and/or charging cable
provided by the manufacturer.
The following instructions may not apply to waterproof
devices. Refer to your device user manual or quick start
guide for more waterproof instruction if any.
•Do not use this apparatus near water.
•Do not expose this apparatus to dripping or
splashing, and ensure that no objects filled with
liquids, such as vases, are placed on the
apparatus.
WARNING: TO REDUCE THE RISK OF FIRE OR ELECTRIC
SHOCK, DO NOT EXPOSE THIS APPARATUS TO RAIN OR
MOISTURE.
CAUTION
RISK OF ELECTRIC SHOCK. DO NOT OPEN.
THIS SYMBOL ON THE PRODUCT MEANS
THERE IS UNINSULATED, DANGEROUS
VOLTAGE WITHIN THE PRODUCT
ENCLOSURE THAT MAY PRESENT A RISK
OF ELECTRICAL SHOCK.
THIS SYMBOL ON THE PRODUCT MEANS
THERE ARE IMPORTANT OPERATING AND
MAINTENANCE INSTRUCTIONS IN THIS
GUIDE.
Visit the product page at jbl.com/specialty-audio
and download the Safety Sheet for a full list of safety
instructions.

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Table of Contents
IMPORTANT SAFETY INSTRUCTIONS......................................................................................................2
Product Overview.......................................................................................................................................4
Basic Wiring Diagram................................................................................................................................4
What’s in the Box ......................................................................................................................................4
Rear Panel Connections...........................................................................................................................5
Top Panel Controls ...................................................................................................................................6
Remote Control Buttons............................................................................................................................6
Initial Setup.................................................................................................................................................7
Speaker Placement...................................................................................................................................7
Pairing the Remote ...................................................................................................................................7
Connecting Sources..................................................................................................................................8
Connecting to Network..............................................................................................................................8
Connecting a Bluetooth Device.................................................................................................................9
Using the L75ms.......................................................................................................................................10
Wake from Standby.................................................................................................................................10
Selecting and Playing Sources................................................................................................................10
Controlling L75ms Volume......................................................................................................................11
Sound Field Enhancement (SFX)............................................................................................................11
Specifications...........................................................................................................................................12
Wireless Specification.............................................................................................................................12
Product Specifications.............................................................................................................................12
Troubleshooting.......................................................................................................................................13
Restoring Factory Defaults......................................................................................................................13
Updating Firmware..................................................................................................................................13
Trademarks and Licenses........................................................................................................................14

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Product Overview
The L75ms supports a variety of sources from wireless streaming via Bluetooth and Wi-Fi to hard wired
sources such as a phono turntable or TV. While some connections are specific, others can be any device that
matches that match the connections type.
Basic Wiring Diagram
What’s in the Box
1x L75ms Integrated Music System
1x Speaker Grille
1x RF Remote
1x Region Specific Power Cord

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Rear Panel Connections
NOTE: Connections not noted here are for service use only and have no operation for regular use.
A
Ethernet
RJ-45 10/100bit
B
Reset
Resets L75ms to Factory Defaults. Refer to Restoring Factory Defaults for details.
C
Bass Contour
Use to adjust for bas compensation based on nearness to boundaries.
Refer to Speaker Placement for details.
D
Sub Out
Single RCA - Connect to Powered Sub with LFE input
E
Aux In
3.5mm (1/8”) TRS Stereo Analog
F
Phono In (MM)
RCA Stereo for Moving Magnet (MM) Phono Cartridge with Ground connection.
Note: This input is configured for the gain required for a turntable and is not
intended for analog line level outputs.
G
HDMI ARC
Standard HDMI with ARC for use TV ARC Input. Only accepts 2ch PCM signals
H
AC Power
Connect with supplied power cord.
I
Main Power Switch
Ensure switch is on Off position while connecting or disconnecting sources.

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Top Panel Controls
A
Source Indicators
Indicates connection status.
NET –White=Connected | Blinking=Searching | Red=Network Disabled
Sources –White=Active | Off=Not Active
B
Volume Controls
Controls output volume of speaker
C
Source Selection
Press to move to the next source.
D
Volume Indicator
Dots illuminate from left to right as volume increases.
Remote Control Buttons
A
Power
Toggles L75ms ON or OFF
B
Volume Controls
Volume Up / Down and Mute
C
Playback Controls
Previous / Next and Play / Pause
D
Direct Source Selection
Network Streaming / HDMI-ARC / Phono /
Bluetooth / 3.5mm TRS Stereo Analog
E
SFX (Sound Field
Enhancement)
Press to expand output to a more spacious
sound field.
Refer to Sound Field Enhancement (SFX)
for more details.
Note: Pressing any button on the remote will wake the L75ms from Standby.

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Initial Setup
Speaker Placement
Setting Boundary Compensation
The L75ms was designed to be placed on top of a cabinet or table in a open area away from boundaries
such as walls or cabinet surfaces. The bass contour switch is used to compensate for placing the speaker
on cabinet shelf where side and top areas are close to the speaker.
Set the Bass Contour switch located on the rear panel based on the speakers proximity to side boundaries
such as walls or the inside of a bookcase or cabinet. When close to a boundary the switch should be in the
-3dB position in order to maintain level bass response.
Speaker on top of cabinet and away from walls.
Set Bass Contour to 0dB
Speaker on cabinet shelve or close to walls.
Set bass contour to -3dB
Pairing the Remote
Before the L75ms can be controlled via the included remote, the included remote must be paired to the L75ms.
1. Press & Hold the volume minus and source selection buttons on the top panel simultaneously for 2secs
to initiate pairing mode.
2. Press & Hold the Network Stream and Play/Pause buttons on the remote simultaneously for 3secs.

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Connecting Sources
AUX –Connect using a 3.5mm (1/8”) TRS Stereo female for analog 2ch. Pinout follow standard
configuration. Refer to Rear Panel Connections item E.
PHONO –Connect the stereo analog output of a turntable and the GND from the turntable to the GND on
the L75ms. Note that this input is phono level can is not intended for analog line level outputs.
Refer to Rear Panel Connections item F.
HDMI-ARC –Connect to the ARC input of a TV. Select the ARC input on the TV after making this
connection and powering On the L75ms. Refer to Rear Panel Connections item G.
Note: The HDMI-ARC input on the L75ms does not decode multichannel or Dolby 2ch audio formats. In
order for the L75ms to play content delivered to the HDMI/ARC the source device output must be set
to 2ch PCM. Refer to the owners manual for your source device on details on how to select 2ch PCM
output.
Connecting to Network
Wired Network Connection
Connect the Ethernet port on the rear to the port on a
wireless router using a CAT-5e or higher cable. NET on the
top panel will illuminate white once a network connection
has been established. The L75ms is now available on the
network for casting from media players such as Spotify or
iTunes.
Note: If the NET icon is RED then network is disabled and must be enabled in order to connect. Refer to
Enabling and Disabling Network and Bluetooth for details.
Wi-Fi Direct Connection
The Google home app is used to connect the L75ms to a Network for Android and Apple iOS devices. If
you choose to not use Google Home and connect an Apple iOS device with Airplay, refer to
Wi-Fi Connection with Airplay.
Wi-Fi Connection with Google Home
1. On your mobile device, download and open the Google Home App.
2. Follow Google Home instructions to add devices.
3. Follow the prompts for adding devices. Note: We recommend giving the speaker a common name so
that it can be easily found for streaming later.
NOTE: We recommend giving the L75ms a user-friendly name such as Living Room Speaker, if you choose
to do so write it down as it will be what is used to connect to the unit for Wi-Fi or Bluetooth streaming.

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Wi-Fi Connection with Airplay
1. Navigate to the network settings for your iOS device.
2. Select Wi-Fi and navigate to Setup New Airplay Speaker.
3. Select the device named L75MS-XXXXX. The XXXXXX is the corresponding MAC address.
4. Select the network for the L75ms to use and select Next.
5. Follow the on-screen instructions to complete the setup of the L75ms as an Airplay speaker.
Enabling and Disabling Network and Bluetooth
Network and Bluetooth functionality may be turned Off should it be desired to do so. The same button
operation can be used to turn Network and Bluetooth back On.
Press Source Selection & Volume + on the top panel simultaneously for >3 seconds.
Note: When the Network and Bluetooth is Off the following conditions exist.
•Speaker cannot be used for Network or Bluetooth streaming.
•Handheld remote is in-operable and the unit can only be used via the top panel buttons.
•Network icon on top panel with show Red indicating that Network has been turned off.
Connecting a Bluetooth Device
Connection via Bluetooth is the same as other Bluetooth devices and varies from mobile device to mobile
device. Refer to the owner’s manual for the device being connected prior to performing the following steps.
1. Select the Bluetooth source via the button on the remote or via the top panel source selection.
2. Press & Hold the Bluetooth source or the source selection button for >3 seconds.
3. Navigate to your devices Bluetooth menu and select JBLL75MS from the list. Note if the name was
changed during Google Home setup, that name will be listed.

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Using the L75ms
Wake from Standby
The L75ms enters standby mode when the power button is pressed or after 10mins of no signal on a
selected source. To wake the L75ms from standby perform one of the following operations.
•Press any button on the remote or top panel.
•Connect to the L75ms via a Bluetooth or Wi-Fi Streaming Source.
•Power On device connected to L75ms via HDMI ARC
Selecting and Playing Sources
Sources may be selected directly by pressing the desired source button on the remote, using the source
selection button on the top panel, or automatically for Network or Bluetooth streaming and HDMI ARC.
Sources that can be automatically played will also wake the L75ms from Standby.
Using the Top Panel
Sources may be selected using the Source selection button located in the center of the top panel controls.
Pressing it advance to the next source to the right. The source will illuminate White when it is active.
Sources can also be selected directly using the buttons on the included RF remote.
Refer to Remote Control under Product Overview for details.
A
Streaming Sources
Auto Switch - Selected when a device initiates a stream.
B
Bluetooth
Auto Switch - Selected when a device connects via Bluetooth.
Refer to Connecting a Bluetooth Device on details to connect a device.
C
HDMI-ARC
Auto Switch - Selected when a device connected to the HDMI input is
powered on.
D
Phono
Analog stereo from turntable.
E
AUX
Analog stereo via 3.5mm (1/8”) TRS Stereo Analog.

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Automatically Selected Sources
Streaming sources and the HDMI-ARC input will automatically be selected when a source is chosen that is
connected to the L75ms via cable in the case of HDMI-ARC or Wi-Fi and Bluetooth.
Network Streaming
The L75ms supports Google Chrome cast which allows the speaker to receive content through a network
connection. Casting is done by selecting the cast symbol within the app being used or the connect function
of the app. Refer to the apps usage information for details on using a specific apps functionality.
1. Open a source such as Spotify on a mobile device.
2. Select the desired content.
3. Press the Cast icon in the app and select the L75ms.
Note: Your phone or tablet may be used as a remote control. Visit spotify.com/connect to for details.
Apple Airplay
To listen to audio via AirPlay on the speaker, ensure your Apple device is connected to the same network
as the Receiver and simply slect the Speaker as the AirPlay audio playback device.
Bluetooth
1. Open the Bluetooth menu on your mobile device.
2. Select the L75ms from the list.
3. Open an app such as Spotify.
4. Select content and press play.
HDMI-ARC
The HDMI-ARC input will be automatically selected when the connected device is powered On regardless
of standby state of the L75ms. It can also be selected by using the source select button on the top panel of
the HDMI button on the remote.
1. Power On device connected to HDMI-ARC
2. L75ms will automatically select the HDMI-ARC input.
Controlling L75ms Volume
Volume for the L75ms can be controlled via the volume buttons on the top panel, the included remote, TV
connected via HDMI ARC, and the volume buttons on device streaming via network or Bluetooth. Note that
streaming device volume control depends on device and application being used.
Sound Field Enhancement (SFX)
The L75ms includes a Sound Field Enhancement mode accessible via the remote. This mode enhances
the ambient sound of playing content for a more spacious effect that fills the room more than standard
stereo. The difference between standard and enhanced sound varies based on several factors.
•Proximity to walls, floors, and ceilings. The closer the boundaries the more reflection there is.
•Ambience in the playing content. The more spacious and open the content the more obvious the effect
will be.
Press the SFX button on the remote to activate Sound Field Enhancement.

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Specifications
Wireless Specification
Bluetooth
•Remote Control Type: BTLE 2402-2480MHz@0.16dBm
•Bluetooth operation in 2402MHz to 2480MHz with max power 7.67dBm e.i.r.p
•Bluetooth LE operation in 2402MHz to 2480MHz with max power 9.59dBm e.i.r.p
Wi-Fi
•802.11b/g/n operation in 2412MHz to 2472MHz with max power16.96dBm e.i.r.p
•5GHz RLAN 802.11a/n/ac: Operation in 5180MHz - 5240MHz; 5260MHz~5320MHz; 5500MHz -
5700MHz,
•with max power: 21.24dBm e.i.r.p
•5.8G SRD operation in 5745MHz to 5825MHz with max power 12.94dBm e.i.r.p
Note: The device is restricted to indoor use when operated in the 5150-5350Mhz frequency range.
Product Specifications
Low Frequency
Dual 5.25" (133mm) Pure Pulp cone woofers
High Frequency
Dual 1" (25mm) Aluminum dome tweeters with waveguides
Mid Frequency
4" (100mm) Pure pulp cone midrange
Amplifier Power
125W RMS per woofer25W RMS per tweeter50W RMS for center (350W RMS
total)
Frequency Response
45Hz-25kHz (-6dB)
Maximum SPL
106dB @ 1m
Sound Controls
Speaker placement boundary compensation | Selectable Sound Field
Expander (SFX)
Enclosure
Front-ported tabletop in satin walnut furniture-grade wood veneer
Grille
Black foam Quadrex grille
Wireless Inputs
WiFi streaming | Bluetooth 4.2
Wired Inputs
HDMI ARC | RJ-45 Ethernet | Phono (MM) | AUX: 3.5mm (1/8”) TRS Stereo
Analog
Resolution
Up to 32-bit, 192kHz
Subwoofer Output
2V RMS with auto-sense/engage HPF
Remote Control Type
BTLE
Dimensions with grille
8.5" H x 31.1" W x 11.3" D (216mm x 790mm x 287mm)
Product Weight (Each)
35 lbs. (15.9kg)

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Troubleshooting
HDMI-ARC has No output.
•Ensure that the connected source is set to 2ch
PCM
•Select the ARC input on the TV to re-establish
ARC connection.
•Select another source on the TV or L75ms and
then switch back to HDMI.
Restoring Factory Defaults
The L75ms can be reset to factory defaults should the need to arise. This will erase all settings for Network
and Bluetooth requiring that all connections be reconfigured.
Updating Firmware
Software updates for the L75ms are via OTA (Over the Air) updates through Google Home. This occurs
when you first connect to the L75ms or when it is connected to for wireless streaming. Contact customer
support for updates on devices that have Wi-Fi or Bluetooth disabled.