1. Introduction
This manual provides instructions for the Generic replacement remote control, designed to operate Sine Audio DS6503 and Monster Soundbar SB2 DS6603 speaker systems. This infrared (IR) replacement remote offers essential functions for controlling your soundbar.
Important: Ensure your original remote control matches the appearance of this replacement remote for compatibility. If your model number is not explicitly listed in the product title, please verify compatibility before use.
2. Package Contents
- 1 x Generic Replacement Remote Control
Note: Batteries and a separate instruction booklet are not included with this replacement remote. Please refer to your soundbar's original manual for specific operational details if needed.
3. Setup
3.1 Battery Installation
The remote control requires 2 AAA batteries (not included). Follow these steps to install the batteries:
- Locate the battery compartment on the back of the remote control.
- Slide the battery compartment cover downwards to open it.
- Insert two AAA batteries, ensuring the positive (+) and negative (-) terminals align correctly with the markings inside the compartment.
- Slide the battery compartment cover back into place until it clicks securely.

Image: Back of the remote control with the battery compartment open, illustrating the correct orientation for AAA battery insertion.
3.2 Initial Use
No setup or code is required for this replacement remote. Once batteries are installed, the remote is ready for immediate use with compatible Sine Audio DS6503 and Monster Soundbar SB2 DS6603 speaker systems.
4. Operating Instructions
The replacement remote control provides direct access to common functions. Point the remote directly at your soundbar when pressing buttons.

Image: Front view of the replacement remote control, highlighting the button layout.
- Power Button (Red Circle with Line): Turns the soundbar on or off.
- BT (Bluetooth): Selects Bluetooth input mode.
- MUTE: Mutes or unmutes the soundbar audio.
- Volume Up (+) / Volume Down (-): Adjusts the main volume level.
- Sub- / Sub+: Adjusts the subwoofer level.
- Previous Track (<<) / Play/Pause (►►) / Next Track (>>|): Controls media playback (functionality may vary based on soundbar and input source).
- movie_music_news: Cycles through preset equalizer modes (e.g., Movie, Music, News).
- OPT (Optical): Selects Optical input mode.
- COAX (Coaxial): Selects Coaxial input mode.
- AUX boost: Selects Auxiliary input mode and may activate a boost feature.
5. Troubleshooting
- Remote not responding:
- Check if the batteries are inserted correctly with the proper polarity.
- Replace old batteries with new AAA batteries.
- Ensure there are no obstructions between the remote and the soundbar's IR receiver.
- Confirm that the remote is compatible with your specific soundbar model (Sine Audio DS6503 or Monster Soundbar SB2 DS6603).
- Limited functionality:
- Some advanced functions may be specific to the original manufacturer's remote. This replacement remote provides core operational controls.
- Refer to your soundbar's original manual for detailed information on all available features.
6. Specifications
- Type: Infrared (IR) Replacement Remote Control
- Power Source: 2 x AAA Batteries (not included)
- Compatible Devices: Sine Audio DS6503, Monster Soundbar SB2 DS6603
- Color: Black
- Special Feature: Ergonomic design, direct replacement functionality
7. Warranty and Support
For warranty information or support regarding this replacement remote control, please contact the seller directly through your purchase platform. Please note that this is a generic replacement product and not an OEM (Original Equipment Manufacturer) item.





