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SB40
Soundbar
U S E R M A N U A L

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Table of Contents
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Questions and answers

John Johnson
July 21, 2025

The sound does not come out of the soundbar when I change channels, IE, from an app like Apple TV to main tv via virgin v6 The tv has Earc, and the settings indicate the sound is outputting but it’s silent. If I then go back to Apple TV 4 k the sound comes from the soundbar

Summary of Contents for Oakcastle SB40

  • Page 1 SB40 Soundbar U S E R M A N U A L...
  • Page 2: Table Of Contents

    Contents What’s In the Box?......................Controls And Functions…………………………..…………………………………………...... Instructions Guide……………………………………………………………………………......Product Set-Up....................Wall Mounting……………………………………………..........LED Light Indicator................... HDMI ARC Input....................Optical Input...................... AUX Input......................Bluetooth Mode....................Troubleshooting…………………………………………………………………………………………………... Specification………………………………………………………………………………………………………… Warranty………………………………………………………………………………………………………………. Warning and Safety Information……………………………………………………………………………...
  • Page 3: What's In The Box

    Box Contents What's in the box? Oakcastle SB40 Soundbar AUX to AUX cable Remote control with 2 x AAA batteries User Manual 2x Wall mountable screw Wall Mount Template 2 x Wall Plus Brackets Plus Bracket Optical cable...
  • Page 4: Controls And Functions

    Controls & Functions Top and Side View Power ON/OFF Mode button (Press repeatedly to change the soundbar mode in between HDMI ARC/OPT/AUX/BT) Volume + Volume - Back View Wall mountable brackets Embedded AC Power Adaptor AUX Input Optical Input HDMI ARC Input...
  • Page 5: Remote Control

    Controls and Functions Remote Control Bluetooth Mode Power ON/OFF Bass -/+ Pair/Unpair (use only in Bluetooth Mode) HDMI Mode Optical Mode Play/Pause Volume +/- Next/Forward Mute / Unmute Music Equaliser AUX Mode Movie Equaliser PREV Night Equaliser Standard Equaliser 3D Sound Effect Dialogue Equaliser RESET to default audio settings...
  • Page 6: Product Set-Up

    Getting Started - Product Set-Up PLEASE NOTE: The instructions within this user manual will refer to the button number on the soundbar (Ref ‘number’), or buttons on remote control e.g. (Rem. ’number’), in accordance with the diagrams from pages 4 and 5. Unboxing Remove the soundbar from the carton and remove all packing material from the Soundbar.
  • Page 7: Wall Mounting

    Mounting the soundbar to the wall Mounting the soundbar on the wall WARNING: If you do not feel confident in securely and correctly wall-mounting the soundbar, please seek assistance from a professional. Insert the two wall-mount screws included in the box into the wall. Ensure you •...
  • Page 8: Led Light Indicator

    Bluetooth with a when TV, phone, or other unpaired / BLUETOOTH similar device to play Blue steady audio from via when Oakcastle SB40. paired Connecting the soundbar with the AUX cable to a TV, PC, Orange AUX IN or other similar devices.
  • Page 9 Important: Before connecting ensure the devices you are about to connect are unplugged from main socket. Step 1: Connect the Oakcastle SB40 to your TV using an HDMI high speed cable (not included). Insert one end of the cable into the soundbar HDMI port (Ref.9) and the other end into the TV HDMI ARC port (check TV manual for reference).
  • Page 10: Optical Mode

    Important : Before connecting ensure the devices you are about to connect are unplugged from main socket. Step 1: Connect the Oakcastle SB40 to your TV using an optical cable . Insert one end of the cable into the soundbar Optical port (Ref.8) and the other end into the TV Optical output port ( check TV manual for reference).
  • Page 11: Aux Mode

    Important: Before connecting ensure the devices you are about to connect are unplugged from main socket. Step1: Connect the Oakcastle SB40 to your TV, or other audio device using the AUX- to-AUX cable . Insert one end of the audio cable into the soundbar AUX port (Ref.7) and the other end into your device AUX output port.
  • Page 12: Bluetooth Mode

    LED indicator will flash a blue light. Switch your device’s Bluetooth connectivity on and start searching for the soundbar. Select the 'Oakcastle SB40' from your device’s list when prompted to pair with the soundbar. When successfully connected, a beep will be heard from the soundbar, and the LED light indicator will stop flashing.
  • Page 13: Troubleshooting

    Change the TV’s audio output to HDMI ARC, enable CEC and pass through, set the audio format in PCM. Support If you require assistance with your new Oakcastle soundbar SB40, please contact our Tech Support team by completing the form on the Oakcastle website: www.oakcastle.co.uk/support.
  • Page 14: Specification

    All products come with a standard 12-month warranty. All items must be registered within 30 days of purchase on www.oakcastle.co.uk for the warranty to be valid. Once on our website, use the menu to find ‘Register Your Product’. You will also be given...
  • Page 15: Warning And Safety Information

    Warning & Safety Information Safety and Usage Guidelines (All where applicable) General Safety Information - Read and Retain: Review all safety and operating instructions before use; keep them for future reference. Follow Instructions: Adhere strictly to all safety and operational guidelines. Water Exposure: Keep the device away from water;...
  • Page 16 Warning & Safety Information Consignes de Sécurité et d'Utilisation (toutes celles applicables) Informations Générales de Sécurité - Lire et Conserver : Consultez toutes les consignes de sécurité et d’utilisation avant usage ; conservez-les pour référence future. Suivre les Instructions : Respectez strictement toutes les consignes de sécurité et d’utilisation.
  • Page 17 Warning & Safety Information Linee Guida per la Sicurezza e l'Uso (Quando Applicabile) Informazioni Generali sulla Sicurezza - Leggere e Conservare: Rivedere tutte le istruzioni di sicurezza e di funzionamento prima dell'uso; conservarle per riferimenti futuri. Seguire le Istruzioni: Attenersi rigorosamente a tutte le linee guida di sicurezza e operative.
  • Page 18 We, Izilla Ltd, Newton House, 2 Pioneer Court, Histon, Cambridge, CB24 9PT declare under our sole responsibility that the product: Product Name: SB40 Soundbar Model: 1000003009 Brand Name: Oakcastle To which this declaration referred is in conformity to the following harmonized standards or normative documents (CE &...
  • Page 20 WWW.OAKCASTLE.CO.UK...

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