1. Introduction
Thank you for purchasing the Lexsen PSA15AL 15-inch Amplified Speaker. This manual provides essential information for the safe and efficient operation of your new audio system. Please read these instructions thoroughly before use and retain them for future reference.
2. Safety Instructions
- Power Source: Connect the speaker only to an AC power outlet that matches the voltage specified on the unit.
- Ventilation: Ensure adequate ventilation around the speaker. Do not block ventilation openings.
- Water and Moisture: Do not expose the speaker to rain, moisture, or excessive humidity. Keep liquids away from the unit.
- Heat: Keep the speaker away from heat sources such as radiators, heat registers, stoves, or other heat-producing appliances.
- Cleaning: Disconnect the power cord before cleaning. Use a dry cloth for cleaning.
- Servicing: Do not attempt to service this product yourself. Refer all servicing to qualified service personnel.
- Placement: Place the speaker on a stable, level surface to prevent it from falling.
3. Package Contents
Please check that all items are present in the package:
- Lexsen PSA15AL 15-inch Amplified Speaker
- Power Cable
- Remote Control
- User Manual (this document)
4. Product Overview
The Lexsen PSA15AL is a powerful 15-inch amplified speaker designed for clear and robust sound reproduction. It features integrated LED lighting effects and multiple connectivity options.

Figure 4.1: Front view of the Lexsen PSA15AL amplified speaker, showcasing the 15-inch woofer and integrated LED lighting behind the grille.

Figure 4.2: The Lexsen PSA15AL speaker shown with its included remote control, indicating wireless operation capabilities.
5. Setup
5.1 Unpacking
Carefully remove the speaker and all accessories from the packaging. Inspect for any signs of damage during transit. If any damage is found, contact your retailer immediately.
5.2 Placement
Place the speaker on a stable, flat surface. For optimal sound dispersion, position it in an open area. Ensure there is sufficient space around the unit for ventilation.
5.3 Power Connection
- Ensure the speaker's power switch is in the OFF position.
- Connect the provided power cable to the power input on the speaker.
- Plug the other end of the power cable into a suitable AC power outlet.
6. Operating Instructions
6.1 Power On/Off
To power on the speaker, flip the power switch to the ON position. To power off, flip the switch to the OFF position.
6.2 Bluetooth Connection
The speaker supports wireless audio streaming via Bluetooth.
- Turn on the speaker. The speaker will automatically enter Bluetooth pairing mode, indicated by a flashing LED.
- On your mobile device (smartphone, tablet), enable Bluetooth and search for available devices.
- Select "PSA15AL" from the list of devices.
- Once connected, the LED indicator will stop flashing, and you will hear a confirmation tone.
- You can now play audio from your device through the speaker.
6.3 USB Playback
The speaker can play audio files directly from a USB flash drive.
- Insert a USB flash drive containing MP3 or other compatible audio files into the USB port on the speaker.
- The speaker should automatically switch to USB mode and begin playing the first track.
- Use the controls on the speaker or the remote control to navigate tracks, play/pause, and adjust volume.
6.4 Line-in Connection (AUX)
Connect external audio devices using a 3.5mm or RCA audio cable (not included).
- Connect one end of the audio cable to the Line-in port on the speaker.
- Connect the other end to the audio output of your external device (e.g., laptop, CD player).
- Select the Line-in mode on the speaker.
- Adjust the volume on both the speaker and your external device.
6.5 Microphone Input
Connect a microphone for vocal performances or announcements.
- Plug your microphone into the microphone input jack on the speaker.
- Adjust the microphone volume control on the speaker to your desired level.
6.6 LED Effects
The speaker features integrated LED lights that synchronize with the music.
- The LED effects can typically be toggled on or off using a dedicated button on the speaker or the remote control.
- Refer to the remote control section for specific button functions.
6.7 Remote Control
The included remote control allows for convenient operation of the speaker from a distance. Functions typically include power on/off, mode selection, volume control, track navigation (for USB/Bluetooth), and LED effect control.
7. Maintenance
7.1 Cleaning
Before cleaning, ensure the speaker is powered off and unplugged from the power outlet. Use a soft, dry cloth to wipe the exterior surfaces. Do not use abrasive cleaners, waxes, or solvents as they may damage the finish.
7.2 Storage
If storing the speaker for an extended period, ensure it is clean and dry. Store it in a cool, dry place away from direct sunlight and extreme temperatures. It is recommended to keep the original packaging for storage and transport.
8. Troubleshooting
If you encounter issues with your Lexsen PSA15AL speaker, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Power cable not connected; Power outlet faulty; Speaker switch off | Ensure power cable is securely connected; Test outlet with another device; Turn speaker power switch ON |
| No sound | Volume too low; Incorrect input mode selected; Audio cable faulty; Bluetooth not connected | Increase volume on speaker and source device; Select correct input mode (Bluetooth, USB, Line-in); Replace audio cable; Re-pair Bluetooth device |
| Bluetooth not connecting | Speaker not in pairing mode; Device too far; Interference; Device already connected to another speaker | Ensure speaker is in pairing mode; Move device closer to speaker; Turn off other Bluetooth devices; Disconnect from other speakers and try again |
| Remote control not working | Batteries depleted; Obstruction between remote and speaker; Remote not pointed at sensor | Replace remote control batteries; Remove any obstructions; Point remote directly at the speaker's remote sensor |
9. Specifications
- Model: PSA15AL
- Brand: Lexsen
- Speaker Size: 15 inches
- Power Output: 350W RMS
- Connectivity: Bluetooth, USB, Line-in (AUX), Microphone Input
- Wireless Technology: Bluetooth
- Control Method: Remote Control
- Power Source: Electric Cable
- Audio Output Mode: Stereo
- Recommended Uses: For smartphones or tablets
- Compatible Devices: Smartphone, Tablet
- Mounting Type: Wall Mount (Note: While wall mount is listed, the product is also designed for portable use.)
10. Warranty and Support
Lexsen products are manufactured to high-quality standards. For warranty information or technical support, please refer to the warranty card included with your purchase or visit the official Lexsen website. Do not attempt to repair the unit yourself, as this may void your warranty.