OWNER’S MANUAL WIRELESS SOUND BAR Please read this manual carefully before operating your set and retain it for future reference. Model S77S (S77S, SPS7-W) 2303_Rev01 www.lg.com Copyright © 2023 LG Electronics Inc. All Rights Reserved.
Sound Bar Quick Guide Installing and using the Product a Connect the sound bar to your TV via an optical cable or an HDMI cable. b HDMI IN HDMI IN (ARC) OPTICAL OUT a 1 a A HDMI TM IN HDMI TM d TV (eARC / ARC) C 2 5 V 0 500 mA 3 B OPTICAL IN b D E HDMI OUT A Sound bar B Remote Control Receiver C Status LED (ABC) D Wireless Subwoofer - Install it close to the sound bar. E External Device - (Blu-ray player, game console, etc.
b If you are using an external device (ex. Set-top box, Blu-ray player, game console, etc.), connect it to the sound bar or to the TV via an HDMI cable. c Connect to power in the following order: wireless subwoofer [ sound bar. Then, turn on the sound bar. When the connection is automatically established with the sound bar, the LED on the wireless subwoofer will light up in green.
Manually connecting the sound bar to the wireless subwoofer ([ See “Connecting the wireless subwoofer manually” on page 8.) If you see a red LED on the wireless subwoofer, it means that the sound bar is not connected to the subwoofer. If this is the case, connect them in the following order. A Press the Power button on the sound bar to turn it off. B Press the PAIRING button on the back of the disconnected wireless subwoofer. Check if LED blinks green.
Table of Contents Sound Bar Quick Guide 2 Installing and using the Product Installation 6 Connecting the Product Exploring the Product 13 Front 18 Back 19 Exploring Remote Control Various settings for convenience Mounting the Product to a Wall 43 Checking before mounting to a wall 45 Mounting the Product to a Wall Safety Precautions 47 Safety and Regulatory 50 Prevention of product misuse Before Reporting Product Malfunction 54 Troubleshooting Appendix 22 Convenient functions 23 How
Installation Connecting the Product You can enjoy a richer sound by connecting the sound bar to the wireless subwoofer. Connecting the wireless subwoofer automatically After completing installation, the wireless subwoofer will automatically be connected to the sound bar. Connect the sound bar to the subwoofer in the following order. a Plug the power cable into the wireless subwoofer. b Plug the power cable connected to the wireless subwoofer into an outlet. c Plug the power cable into the sound bar.
Checking the connection with the LED on the wireless subwoofer You can check the connection status by looking at the LED on the wireless subwoofer.
Connecting the wireless subwoofer manually If you see a red LED on the wireless subwoofer, it means that the sound bar is not connected to the subwoofer. If this is the case, connect them in the following order. a Press the Power button on the sound bar to turn it off. b Press the PAIRING button on the back of the wireless subwoofer. Check if the LED on the subwoofer is blinking green. If you still see a red LED on the wireless subwoofer, press and hold the button on the back of the subwoofer again.
Setting up surround sound The surround sound function allows you to hear immersive 3D sound produced by multiple audio channels from the speakers, regardless of the channels in the originally recorded content. For example, if you listen to music recorded in 2.0 channels with standard sound effects, you can hear the following difference. When the surround sound is off When the surround sound is on Note • Speaker positions are as follows.
Turning surround sound on/off a Press Settings button. LED2 blinks white. 1 2 3 b While the LED2 is blinking, press Right button three times to choose the surround sound setting. 1 2 3 c While the LED2 is blinking, press Up/Down button. If the surround sound setting is on, LED1 blinks white. If the surround setting is off, LED3 blinks white.
Speaker sound based on input channels Sound Effects Input Output AI SOUND PRO Sound customized with artificial intelligence 2.0 channels 5.1 channels 7.1 channels or more 7.1.4 channels STANDARD You can enjoy optimized sound. 2.0 channels 5.1 channels 7.1 channels or more 7.1.4 channels MUSIC You can enjoy better sound optimized for music. 2.0 channels 5.1 channels 7.1 channels or more 7.1.4 channels CINEMA Cinematic 3D sound 2.0 channels 5.1 channels 7.1 channels or more 7.1.
Sound Effects Input CLEAR VOICE Voice sound clear, improving the quality of voice sound 2.0 channels 5.1 channels 7.1 channels or more 7.1.4 channels SPORTS Realistic sound like in a stadium 2.0 channels 5.1 channels 7.1 channels or more 7.1.4 channels GAME Optimized sound for game 2.0 channels 5.1 channels 7.1 channels or more 7.1.4 channels BASS BLAST (BASS BLAST+) Sound with reinforced bass 2.0 channels 5.1 channels 7.1 channels or more 7.1.
Exploring the Product Front 1 2 3 a Power This turns the product on/off. Function Press the button repeatedly to select the desired function or input mode.
c Remote Control Receiver This receives wireless signals from the remote control. Note • To reduce power consumption, the product will automatically turn off after 15 minutes of no input signal from an external device.
Status LED On (White, Orange, Blue, Purple, Green, Yellow, Red) Off Blink Power on / Power off 1 2 LED1 blinks red. 3 Volume control • Volume up: The LEDs get brighter and light up one by one. • Volume down: The LEDs get darker and turn off one by one. 1 1 1 • The volume reaches maximum, all LEDs blink red. 2 2 2 • If you press Up/Down button even when the level has reached the maximum or minimum, the current function LED will blink 3 times.
Function 1 2 OPTICAL/HDMI ARC LED1 lights up white. 3 1 2 Bluetooth ready LED2 blinks blue. 3 1 2 Bluetooth LED2 lights up blue. 3 1 2 HDMI IN LED3 lights up white. 3 1 2 3 16 USB LED3 lights up purple.
The other button inputs 1 2 LED2 blinks red once when you press the button: Sound Effects Information , Up/Down / Left/Right , Play/Pause , 3 17
Back OPTICAL HDMI TM IN HDMI TM d TV (eARC / ARC) 5 V 0 500 mA IN a AC IN Plug in the power cord. b HDMI™ IN Plug in an HDMI cable to connect an external device to the product. c HDMI™ d TV (eARC / ARC) Plug in an HDMI cable to connect the TV to the product. d USB port Plug in a USB storage device to play music with the product. e OPTICAL IN Plug in an optical cable to connect the TV to the product.
Exploring Remote Control You can use the remote to control all functions of the product, from turning the power on/off to enabling cinematic sound. a f b g c d h i j e k Replacement of Battery Use AA 1.5V batteries. Replace the two batteries by inserting them into the remote control in accordance with the directions indicated. A Open the battery cover on the back of the remote control. B Insert the batteries with the + and – ends corresponding to the markings. C Close the battery cover.
d Sound Effects Press the button to select the desired sound field. • AI SOUND PRO: Artificial intelligence selects the optimal sound settings to suit your content. • STANDARD: You can enjoy optimized sound. • CINEMA: Play content with 3D sound similar to a movie theater. • CLEAR VOICE: Voice sound clear, improving the quality of voice sound. • SPORTS: Realistic sound like in a stadium. • MUSIC: You can enjoy better sound optimized for music. • GAME: Optimized sound for game.
i Up/Down/Left/Right These buttons are used to adjust the settings of the convenient functions. Left/Right: If you play a previous song, press Left button. If you play a next song, press Right button. j Play/Pause If you play or pause a song, press this button. k Settings It allows you to adjust the settings of this product: AUTO POWER, NIGHT TIME, DISPLAY, SURROUND. Press Settings button and select the setting by using Left/Right button before you press the Up/Down button to turn on/off the setting.
Various settings for convenience Convenient functions Auto Power This function automatically turns the product on or off when the TV or external device is turned on or off. When the connected device is turned on, the product turns on automatically and selects a function according to the input signal. Night Time This reduces the general sound volume, but raises the volume of soft and delicate sounds. This is useful when enjoying music or a movie late at night.
How to change the settings a Press Settings button. The product enters the setting mode and LED2 blinks white. 1 2 3 b While the LED2 is blinking, press Left/Right button to choose the setting you want. 1 2 3 c While the LED2 is blinking, press Up/Down button. If the setting is on or auto, LED1 blinks white. If the setting is off, LED3 blinks white.
Sound tuning You can adjust the sound level of each speaker and sound tone. a Press Sound Tuning product. button. The product enters the setting mode and displays the current level of the b Press Left/Right button to choose the speaker you want to adjust. c Press Up/Down button to adjust the sound level.
Voice feedback function When you select a function or sound, the current status of the product is guided by voice. (English voice only) Press Information button on the remote control for longer than 5 seconds to turn this function on or off. Note • Voice feedback and sound bar volume level work together up to 30. However, the voice feedback volume level doesn't increase above 30. • During voice feedback, all sounds except for voice feedback becomes low temporarily.
Connecting to the TV Connecting with an Optical Cable Transmit your TV’s audio to the product by connecting it to the TV with an optical cable. You can add a variety of 3D effects to the original audio to fill the room with a deep, rich sound. Watching TV after connecting with an optical cable a If the digital cable terminal has a cover, first remove the covers from both ends.
c Press the Function button repeatedly until LED1 lights up white. 1 2 3 d Press the Settings button on the TV remote control to enter the [Speaker] menu and set the output speaker to [Optical] or [External Speaker]. Settings and menu items may vary depending on the TV manufacturer. Note • If the optical input signal and the ARC signal attempt to connect at the same time, the ARC signal will take priority.
Connecting with LG Sound Sync (Wireless) You can adjust the volume with the LG TV remote control if the TV is connected to the product with LG Sound Sync (Wireless). Check out the TV user manual to see if your TV is supported. Watching TV after connecting it wirelessly a Press the Bluetooth pair button. After a moment, LED2 blinks blue. b Press the Settings button on the TV remote control and enter the [Speaker] menu to set the output speaker to [LG Sound Sync (Wireless)].
Connecting with an HDMI Cable You can transmit TV audio to the product by connecting the TV to the product with an HDMI cable. Add a variety of 3D effects to the original audio to fill the room with a deep, rich sound. Watching TV after connecting with an HDMI cable a Using the HDMI cable, connect the HDMI™ d TV (eARC / ARC) terminal on the back of the product to the HDMI IN (ARC) terminal on the TV as shown in the picture.
SIMPLINK • SIMPLINK refers to the HDMI-CEC function that allows you to use a single TV remote control to easily operate an audio device or player connected to an LG TV via HDMI. -- Functions controllable with a SIMPLINK-compatible LG TV remote control: Power on/off, volume control, mute on/off, etc. • For more information on how to set up SIMPLINK, consult your LG TV’s user manual. Note • The SIMPLINK function may not work properly depending on the status of the product or other connected devices.
Connecting to an External Device Connecting with an HDMI Cable Connect the TV and external device (game console, DVD player, etc.) with an HDMI cable and enjoy a deep and rich sound. Connecting an external device via HDMI A a Connect an external device such as a Set-top box, DVD or Blu-ray player. Following the picture below, connect the HDMI OUT terminal of the device to the HDMI™ IN terminal on the back of the product.
c Press the Function button repeatedly until LED3 lights up white. 1 2 3 d When the external device is properly connected to the product, you can listen to the sound of the device. Note • Dolby Atmos® or DTS:X® audio supports 3.1.3 channels. • Please check the audio output settings in the Settings menu of your external device (ex. Blu-ray player or TV). The audio output should be set to [No encoding], [Bitstream], [Auto], or [Pass through].
Connecting an external device via HDMI B a Connect an external device such as a Set-top box, DVD or Blu-ray player. Following the picture below, connect the HDMI OUT terminal of the device to the HDMI IN terminal on the TV. b Using the HDMI cable, connect the HDMI™ d TV (eARC / ARC) terminal on the back of the product to the HDMI IN (ARC) terminal on the TV. OPTICAL HDMI TM IN HDMI TM d TV (eARC / ARC) 5 V 0 500 mA IN c Press the Function button repeatedly until LED1 lights up white.
Connecting with an Optical Cable Connect the TV and external device (game console, DVD player, etc.) with an optical cable and enjoy a deep and rich sound. Connecting an external device via optical cable a Use the optical cable to connect the OPTICAL IN terminal on the back of the product to the OPTICAL OUT terminal of your external device (ex. TV, Blu-ray player) as shown in the picture.
Using the Product as an Audio System Connecting via Bluetooth You can play music files stored on a Bluetooth device, or run music apps to enjoy the music with this product. Please check the following first. • Bluetooth devices to be connected to the product should meet the following specifications. -- Bluetooth 5.1 technology -- Codec: SBC, AAC • Steps to connect the device to the product may vary depending on the Bluetooth device type and model.
(iPhone) d Turn on the Bluetooth function. ( Off > On) e You will see a list of connectable devices on your smartphone. Find and tap “LG S77S(XX)”. On Bluetooth LG Smart Phone On AVAILABLE DEVICES LG S77S(XX) LG Smart Phone Bluetooth devices AVAILABLE DEVICES Bluetooth devices LG S77S(XX) Bluetooth devices Bluetooth devices f When the product is connected to the smartphone via Bluetooth, LED2 lights up blue.
h Run a Music app and listen to music on the smartphone. Note • The closer the Bluetooth device is to the product, the better your connection. • If you pressed the Bluetooth pair button of the product and selected the “Bluetooth” option, but could not connect to the Bluetooth device, LED2 blinks blue for 3 minutes. Check the status of the Bluetooth device. • When using Bluetooth, you should adjust the volume level to an appropriate level. • XX is the last 2 digits of the MAC address of the product.
Connecting with a Smartphone via LG Sound Bar app Please use the LG Sound Bar app to run various functions of the product conveniently. Please check the following first. • The LG Sound Bar app is available in the versions listed below. -- Android™ OS: Version 6.0 or higher -- iOS OS: Version 12 or higher -- Minimum supported versions for each OS may change later. Installing the app Install the LG Sound Bar app on your smartphone.
Downloading from the Google Play or App Store Go to the Google play or the App Store on your smartphone and search for the LG Sound Bar app to install it. (Android Phone) (iPhone) Note • Settings menu items may vary depending on the smartphone manufacturer and OS. • Google, Android and Google Play are trademarks of Google LLC.
Connecting to a USB Storage Device Enjoy high-quality sound by connecting a USB storage device containing music files to the product. Connecting the product to a USB storage device a Plug the USB storage device into the USB port on the back of the product. • The product cannot play any devices connected via a USB storage device hub or a USB storage device cable.
Note • It is recommended that you purchase a separate USB gender changer to make it easier to plug in and out USB storage devices. • Purchase a USB gender changer with a USB 2.0 extension cable. • USB devices with a large storage volume may take several minutes to browse through files. • LG Electronics is not responsible for any data loss. Please always back up the data on your USB storage device to minimize damage caused by data loss. • Only FAT16/FAT32/NTFS formats are supported.
USB storage devices supported • MP3 player • Flash MP3 player • USB flash device • USB 2.0 This product may not recognize some USB storage devices. Playable file specifications File extension Sampling frequency / Bitrate MP3 32 kHz - 48 kHz / 8 kbps - 320 kbps WMA 32 kHz - 48 kHz / 56 kbps - 320 kbps AAC 32 kHz - 48 kHz / 8 kbps - 320 kbps File extension Sampling frequency FLAC (16 bit/24 bit) 32 kHz, 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz, 192 kHz WAV (16 bit/24 bit) 32 kHz, 44.
Mounting the Product to a Wall Checking before mounting to a wall You can mount this product onto a wall. When mounting the product to the wall, follow the instructions below. Please check the following first. • It may be difficult to connect external devices and cables after wall-mounting. First, connect an external device with the proper connection cable to the product before mounting it to the wall. • Please note the following when you mount the product to the wall.
Sold separately Bracket screws Wall plugs Note • Screws and Wall Plugs are not supplied for mounting the product. We recommend the Hilti (HUD-1 6 x 30) for the mounting.
Mounting the Product to a Wall a Find the wall bracket installation guide in the product package. b Align the “TV Bottom Line” on the wall bracket installation guide with the bottom of the TV, and attach it to the wall. Align the center of the wall-mounted TV with the part marked “TV Center” in the installation guide. c With a pen, mark screw holes on the installation guide where the wall brackets will be attached. d Drill screw holes in the marked positions on the installation guide.
f Fix the brackets firmly to the wall using the wall plugs and screws. g Place the product on the brackets. Position the product on the brackets so the screw holes on the bottom of the product align with the screw holes on the wall bracket. h Firmly attach the product to the wall brackets using the screws provided.
Safety Precautions Safety and Regulatory CAUTION RISK OF ELECTRIC SHOCK DO NOT OPEN CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK DO NOT REMOVE COVER (OR BACK) NO USERSERVICEABLE PARTS INSIDE REFER SERVICING TO QUALIFIED SERVICE PERSONNEL. This lightning flash with arrowhead symbol within an equilateral triangle is intended to alert the user to the presence of uninsulated dangerous voltage within the product’s enclosure that may be of sufficient magnitude to constitute a risk of electric shock to persons.
CAUTION concerning the Power Cord The Power Plug is the disconnecting device. In case of an emergency, the Power Plug must remain readily accessible. Check the specification page of this owner’s manual to be certain of the current requirements. Do not overload wall outlets. Overloaded wall outlets, loose or damaged wall outlets, extension cords, frayed power cords, or damaged or cracked wire insulation are dangerous. Any of these conditions could result in electric shock or fire.
For models using a battery This device is equipped with a portable battery or accumulator. CAUTION: Risk of fire or explosion if the battery is replaced by an incorrect type. For models using a built-in battery Do not store or transport at pressures lower than 11.6 kPa (0.116 bar) and at above 15,000 m (9.32 miles) altitude.
Prevention of product misuse To prevent misuse of the product, please be sure to check the contents below. Precautions for installing the product • Do not install the product in an unstable or vibrating place, such as on a shaking shelf or inclined surface. Install the product on a firm and level surface. -- Otherwise, the product may fall or tip over and cause injury. -- If you install the product on an unstable surface, the product may not work properly.
Precautions for using the product • Do not lift or move the product while it is operating. -- Otherwise, it may cause a breakdown. • When moving the product, pull out the power cord and all cables connected to the product. -- Otherwise, it may cause a fire or electric shock. • Stop using the product immediately if you notice smoke or a strange odor. In this case, turn off the power immediately, disconnect the power plug, and contact the service center.
• When you are not using the product for a prolonged period, such as when you are away from home, unplug the power cord from the power outlet. -- If dust accumulates, it can cause heat, resulting in electric shock or fire due to a short circuit. • Do not dispose of waste batteries together with regular waste. Dispose of them separately. -- Otherwise, there is a risk of explosion or fire. • Do not use high voltage products around this product. (ex.
The following only applies to models with a remote control • Do not let children use the remote control. Keep the remote control out of reach of toddlers. • Do not let children put the remote control in their mouth. Make sure that children don’t swallow the remote control cover or a battery. If a child swallowed one, consult a physician immediately. • Beware that children may step on the remote control cover and get injured.
Before Reporting Product Malfunction Troubleshooting If you experience the following issues while using the product, please perform several checks, as they may not be malfunctions. General Errors Issue Solution The product does not work properly • Unplug the power cables and any external devices such as your TV, subwoofer, or amplifier from the product, then plug them in again.
The product volume is low • Check the following and change the settings accordingly. -- Run the LG Sound Bar app, tap the Settings button on the first screen, and change the [DRC] function to [Off] on the [Sound Settings] menu. -- When the product is connected to a TV, press the Settings button on the TV remote control, select the [Speaker] menu, and change the [Digital Sound Output] setting from [PCM] to [AUTO] or [BITSTREAM].
Problems in Wireless Connection Issue There is radio interference Solution • Install the product and the wireless subwoofer as close to each other as possible. • Do not install the product on metal furniture. • Wireless communication may not work properly in weak signal areas.
Appendix Specifications General Power requirements Refer to the main label. Power Consumption Refer to the main label. Dimensions (W x H x D) Approx. 890.0 mm x 61.5 mm x 126.0 mm (including the base) (35.0 inch x 2.4 inch x 5.0 inch) Operation Temperature Range 5 °C - 35 °C (41 °F to 95 °F) Operation Humidity Range 5 % - 80 % RH Bus Power Supply (USB) 5 V 0 500 mA Available Digital Input Audio Sampling Frequency 32 kHz, 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.
Wireless Subwoofer Power Requirement Refer to the main label on the Wireless Subwoofer. Power Consumption Refer to the main label on the Wireless Subwoofer. Type 1-way 1 speaker Impedance 3Ω Rated power 220 W RMS Max. Power 440 W RMS Dimensions (W x H x D) Approx. 195.0 mm × 361.0 mm × 280.0 mm (7.7 inch x 14.2 inch x 11.0 inch) • Design and specifications are subject to change without notice.
Registered Trademarks and Licenses All trademarks and trade names are the property of their respective owners. Dolby, Dolby Vision, Dolby Atmos, and the double-D symbol are registered trademarks of Dolby Laboratories Licensing Corporation. Manufactured under license from Dolby Laboratories. Confidential unpublished works. Copyright © 2012–2021 Dolby Laboratories. All rights reserved. The Bluetooth® word mark and logos are registered trademarks owned by the Bluetooth SIG, Inc.
For DTS patents, see http://patents.dts.com. Manufactured under license from DTS, Inc. or DTS Licensing Limited. DTS, DTS:X, and the DTS:X logo are registered trademarks or trademarks of DTS, Inc. in the United States and other countries. © 2023 DTS, Inc. ALL RIGHTS RESERVED.
Handling the Product When shipping the Product Please save the original shipping carton and packing materials. If you need to ship the product, for maximum protection, re-pack the product as it was originally packed at the factory. Keeping the exterior surfaces clean • Do not use volatile liquids such as insecticide spray near the product. • Wiping with strong pressure may damage the surface. • Do not leave rubber or plastic products in contact with the product for a long period of time.
