Introduction
This manual provides detailed instructions for the proper use and maintenance of your Portronics Decibel 24 10W Bluetooth Soundbar Speaker. Please read this manual thoroughly before operating the device to ensure optimal performance and longevity.

Image: The Portronics Decibel 24 Soundbar, a black rectangular speaker with a mesh grille and control buttons on top.
What's in the Box
- Soundbar (1 Unit)
- Charging Cable (1 Unit)
- Aux Cable (1 Unit)
- Documentation (1 Unit)
Product Overview
Familiarize yourself with the soundbar's controls and ports.
Control Panel
- Power Button: Press and hold to power on/off. Short press to switch modes.
- Volume Down / Previous Track Button: Short press for volume down, long press for previous track.
- Play/Pause / Call Button: Short press to play/pause music. Short press to answer/end calls. Long press to reject calls.
- Volume Up / Next Track Button: Short press for volume up, long press for next track.
Ports and Switches
- OFF/ON Switch: Main power switch.
- AUX IN Port: For wired audio connection using the provided Aux cable.
- TF Card Slot: For playing audio from a TF (MicroSD) card.
- USB Port: For playing audio from a USB flash drive.
- Type-C Charging Port: For charging the soundbar.

Image: A detailed view of the soundbar's rear panel, showing the OFF/ON switch, AUX IN, TF Card slot, USB port, and Type-C charging port.
Setup
1. Charging the Soundbar
- Before first use, fully charge the soundbar.
- Connect the provided Type-C charging cable to the soundbar's Type-C port and the other end to a compatible USB power adapter (not included).
- The charging indicator light will illuminate during charging and turn off once fully charged.

Image: A close-up of the Type-C charging port on the soundbar, with a charging cable connected.
2. Powering On/Off
- To power on, slide the OFF/ON switch to the 'ON' position, then press and hold the Power button on the control panel.
- To power off, press and hold the Power button again.
Operating Instructions
1. Bluetooth Connection
The soundbar uses Bluetooth 5.3 for wireless audio streaming.
- Ensure the soundbar is powered on and in Bluetooth mode (indicated by a flashing LED). If not, short press the Power button to cycle through modes until Bluetooth mode is active.
- On your device (smartphone, tablet, laptop), enable Bluetooth and search for available devices.
- Select "Decibel 24" from the list of devices.
- Once paired, the LED indicator will stop flashing and remain solid, and you will hear a confirmation tone.

Image: The soundbar positioned next to a smartphone displaying a music player interface, illustrating Bluetooth connectivity.
2. True Wireless Stereo (TWS) Pairing
Connect two Decibel 24 soundbars for a stereo audio experience.
- Ensure both Decibel 24 soundbars are powered on and in Bluetooth pairing mode (flashing LED).
- On one of the soundbars, double-press the Power button. It will search for the other soundbar.
- Once successfully paired, you will hear a confirmation tone, and the LED indicators on both soundbars will change.
- Now, connect your device to one of the soundbars via Bluetooth as described in the "Bluetooth Connection" section. Both soundbars will play audio in stereo.

Image: Two soundbars placed in a room, demonstrating the TWS pairing feature for a wider soundstage.
3. Using Other Input Modes (AUX, TF Card, USB)
The soundbar supports multiple audio input options.
- AUX Mode: Connect an audio device using the 3.5mm AUX cable to the soundbar's AUX IN port. The soundbar will automatically switch to AUX mode or you can manually select it by short pressing the Power button.
- TF Card Mode: Insert a TF (MicroSD) card with audio files into the TF Card slot. The soundbar will automatically switch to TF Card mode and begin playback.
- USB Drive Mode: Insert a USB flash drive with audio files into the USB port. The soundbar will automatically switch to USB mode and begin playback.
4. Hands-Free Calling
When connected via Bluetooth to a smartphone, the built-in microphone allows for hands-free calls.
- Answer/End Call: Short press the Play/Pause / Call button.
- Reject Call: Long press the Play/Pause / Call button.

Image: The soundbar positioned beside a smartphone showing an incoming call, highlighting the built-in microphone feature for clear calls.
Care and Maintenance
- Clean the soundbar with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Avoid exposing the device to extreme temperatures, direct sunlight, or high humidity.
- The soundbar has an IPX4 water-resistant rating, meaning it is protected against splashing water from any direction. Do not submerge the device in water.
- Store the soundbar in a cool, dry place when not in use for extended periods.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Soundbar does not power on. | Battery is depleted. Main power switch is off. | Charge the soundbar. Ensure the OFF/ON switch is in the 'ON' position. |
| No sound. | Volume is too low. Incorrect input mode selected. Device not connected. | Increase volume on soundbar and connected device. Press Power button to cycle through modes. Re-pair Bluetooth device or check AUX/TF/USB connection. |
| Bluetooth pairing fails. | Soundbar not in pairing mode. Device too far. Interference. | Ensure soundbar LED is flashing. Move device closer to soundbar. Turn off other Bluetooth devices. |
| TWS pairing fails. | One or both soundbars not in TWS pairing mode. | Ensure both soundbars are in Bluetooth pairing mode before initiating TWS pairing. |
| Poor call quality. | Microphone obstructed. Device too far. | Ensure microphone is clear. Move closer to the soundbar. |
Specifications
| Model Name | Decibel 24 |
| Model Number | POR-2423 |
| Speaker Type | Soundbar |
| Audio Output Power | 10 Watts |
| Wireless Connectivity | Bluetooth 5.3 |
| Other Connectivity | AUX In, TF Card, USB Port |
| Battery Life | Up to 5 Hours |
| Charging Port | Type-C |
| Water Resistance | IPX4 (Splashproof) |
| Product Dimensions | 39D x 10W x 9.4H Centimeters |
| Item Weight | 735 Grams |
| Built-in Microphone | Yes |
| TWS Mode | Yes |
| Color | Black |
| Manufacturer | Portronics |
| Country of Origin | India |
Warranty and Customer Support
For warranty information, technical assistance, or customer support, please contact Portronics directly.
- Manufacturer: Portronics Digital Pvt ltd
- Address: First Floor Property No D 8 Upper Basement Sector 8 Noida Uttar Pradesh 201301
- Email: help@portronics.com
- Phone: +91 9555-245-245





