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Connecting Your Soundbar to the TV

Install the battery correctly in the battery compartment. Normally the 

battery’s positive polarity (+) will face up.

Soundbar Sockets Overview

Quick Start Guide

2.1 Ch Compact soundbar with 
wireless subwoofer

TH-D258B

Thank you

 for purchasing your new product.

We recommend that you spend some time reading this Quick Start 

Guide in order that you fully understand how to connect your 

Soundbar to your TV.
Use your Soundbar instruction manual and TV instruction manual to 

choose the best way to connect your Soundbar and TV together. 

Unpacking

Remove all packaging from the unit. Retain the packaging. If you 

dispose of it please do so according to any local regulations.

First-time Use of Remote Control
The unit has a pre-installed 

lithium CR2032 battery. Remove 

the protective tab to activate the 

remote control battery.

Battery Replacement for the Remote Control
1.  Gently push the tab of the battery 

tray in and slide it free from the 

remote control.

2.  Replace with a new CR2025 battery.

3.  Slide the tray back into the remote 

control. There will be a click once it is 

back in place.

Connecting to the TV

Method 1: Optical / Coaxial Connection
Use an optical cable (not included) or coaxial cable (included) to connect the soundbar’s OPTICAL / COAXIAL socket to the OPTICAL OUT / 

COAXIAL OUT socket of the external device. The simplest option is to connect your soundbar directly to your TV. If you connect the soundbar 

to another external device (e.g. Blu-Ray player), you will hear the sound from that device through the soundbar.
After the connection is completed,
1.  Press   on the unit or on the remote control to switch the unit on.
2.  Press SOURCE on the unit or on the remote control repeatedly to select OPTICAL or COAXIAL mode.

The unit may not be able to decode all digital audio formats from the input source. In this case, the unit will mute. This is NOT a defect. Ensure that the audio setting of 

the input source (e.g. TV, game console, DVD player, etc.) is set to PCM (Refer to the user manual of the input source device for its audio setting details) with Optical/

Coaxial input.

This section involves various methods of connecting the product to other external components. Ensure all audio connections of the unit are connected before 

connecting to the mains power socket.

AC~

AC~

Optical cable (not included)

TV

Rear View of the Soundbar

Coaxial cable (included)

Method 2: HDMI Hub Connection
Using Your Soundbar as a hub
The ARC (Audio Return Channel) function allows sound to travel 

to and from your ARC-compliant TV to your soundbar through a 

single HDMI connection. To enjoy the ARC function, please ensure 

that your TV is both HDMI-CEC and ARC compliant and set up 

accordingly. When correctly set up, the CEC feature allows you to 

adjust the volume output (VOL+/VOL– and MUTE) of the soundbar 

witht the TV remote control. When you switch your TV on/off with 

your remote control, you soundbar will also be switched on/off. 

Be patient that it might take a few seconds for your TV to tell your 

Soundbar to switch on or off.
Use this method to connect all your devices into your TV.
1.  Connect an HDMI cable (not included) from your soundbar’s 

HDMI OUT (ARC) socket to the HDMI (ARC) socket on your ARC-

compliant TV.

2.  After connection, press   button on the unit or on the remote 

control to switch the unit on.

3.  Press SOURCE on the unit or on the remote control repeatedly to 

select ARC to play audio from your input device.

•  Ensure to use an HDMI cables that can support the ARC function.
•  HDMI-CEC will be called different names by different manufacturers – please 

refer to your owner’s manual for details on setting up HDMI-CEC and ARC.

•  While using an HDMI cable for ARC function, CEC (Consumer Electronics 

Control) provides interoperability between the unit and various devices (e.g. 

TV). However, this unit is not guaranteed to fully operate with all HDMI-CEC 

enabled devices. This is NOT a defect.

1. 

COAXIAL Socket

2. 

AC~ Power Socket
Connect a power cord.

3. 

OPTICAL Socket

2 3

1

4

5 6

7

7

4. 

HDMI ARC Socket

5. 

SERVICE ONLY Socket
The USB socket is for service only.

6. 

AUDIO IN Socket

  Main Unit
  Remote Control

 

(battery included)

 Subwoofer
  Mains Cable × 2
  Coaxial Cable
  3.5 mm to 3.5 mm  

 

 

Stereo Audio Cable

  Wall Mount Bracket × 2
  Screw × 4

 

(for installing the wall  

 

mount brackets)

  Dowel × 4
  Instruction Manual
  Quick Start Guide

Blu-ray Player / DVD 

Player / Recorder

Set-top Box

Satellite 

Receiver

Game 

Console

Video 

Camera

Install the battery correctly in the battery compartment. Normally the battery’s 

positive polarity (+) will face up.

Operating Your Remote Control

TV

AC~

HDMI cable (not included)

Rear View of the Soundbar

Blu-ray Player / DVD 

Player / Recorder

Set-top Box

Satellite 

Receiver

Game 

Console

Video 

Camera

TH-D258B_QSG_Final180514V1.indd   1

16/5/2018   1:43 PM

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