Introduction
Thank you for choosing the Kaiser PAK-7908 Professional Dual Audio System. This manual provides essential information for the safe and efficient operation of your new speaker system. Please read this manual thoroughly before use and retain it for future reference.
Safety Information
- Power Source: Ensure the power supply matches the voltage requirements specified on the unit. Use only the provided power cable.
- Ventilation: Do not block any ventilation openings. Maintain adequate space around the unit for proper airflow.
- Water and Moisture: Do not expose the unit to rain, moisture, or excessive humidity. Keep liquids away from the speakers.
- Heat: Keep the unit away from heat sources such as radiators, heat registers, stoves, or other apparatus that produce heat.
- Cleaning: Disconnect the power before cleaning. Use a dry, soft cloth. Do not use liquid cleaners or aerosol cleaners.
- Servicing: Do not attempt to service this product yourself. Refer all servicing to qualified service personnel.
- Placement: Place the speakers on a stable, flat surface to prevent tipping.
- Volume Levels: Avoid prolonged listening at high volume levels to prevent hearing damage.
Package Contents
Verify that all items are present in the package:
- 2 x Kaiser PAK-7908 Speakers (Amplified and Passive)
- 1 x Remote Control
- 1 x Microphone
- 1 x User Manual (this document)
- Power Cable(s)
Product Overview
The Kaiser PAK-7908 is a professional dual audio system featuring an amplified and a passive 8-inch speaker, designed for powerful and clear sound reproduction. It includes RGB lighting for visual effects, Bluetooth connectivity, KSR-LINK for wireless speaker pairing, and multiple input options.

Figure 1: Front view of the Kaiser PAK-7908 Dual Audio System, showcasing the 8-inch speakers with active blue RGB illumination.

Figure 2: Rear view of both speakers, highlighting the control panel on the amplified unit with various knobs for volume, bass, treble, and input ports.

Figure 3: The included wired microphone and the multi-function remote control, which allows for convenient operation from a distance.

Figure 4: A detailed diagram illustrating the various input options available on the control panel, including AUX 3.5mm, Microphone 6.3mm, USB, and Micro SD. Also shown are the product dimensions: 38.9 cm height, 22.3 cm depth, and 25.5 cm width.
Setup
1. Power Connection
- Connect the power cable to the amplified speaker's power input.
- Plug the other end of the power cable into a suitable electrical outlet.
- Connect the passive speaker to the amplified speaker using the provided speaker cable.
- Turn on the power switch located on the amplified speaker's control panel.
2. Bluetooth Pairing (BT)
- Ensure the speaker is powered on.
- Press the 'Mode' button on the control panel or remote until 'BT' or 'Bluetooth' is displayed.
- On your mobile device (smartphone, tablet, laptop), enable Bluetooth and search for available devices.
- Select 'Kaiser PAK-7908' from the list of devices.
- Once paired, the speaker will emit a confirmation sound. You can now play audio wirelessly.
3. KSR-LINK Connection (Wireless Stereo Pairing)
This feature allows two PAK-7908 systems to connect wirelessly for a stereo sound experience.
- Ensure both PAK-7908 units are powered on and in Bluetooth mode.
- On one of the units (this will be the master), press and hold the 'KSR-LINK' button (or equivalent pairing button, refer to control panel diagram).
- The unit will search for another PAK-7908. Once connected, both units will confirm the pairing.
- Your device will now connect to the master unit, and audio will play in stereo across both systems.
4. Other Input Connections
- USB/Micro SD: Insert a USB drive or Micro SD card into the respective port. The speaker will automatically switch to USB/SD mode and begin playing compatible audio files.
- AUX Input: Connect an external audio device (e.g., MP3 player, computer) to the 3.5mm AUX input using an audio cable. Press the 'Mode' button to select AUX input.
- Microphone Input: Connect the included microphone to the 6.3mm microphone input. Adjust the microphone volume knob on the control panel as needed.
Operating Instructions
1. Basic Playback
- Volume Control: Use the main 'Volume' knob on the control panel or the '+/-' buttons on the remote control to adjust the overall volume.
- Bass/Treble: Adjust the 'Bass' and 'Treble' knobs on the control panel to fine-tune the audio output.
- Playback Controls: Use the 'Play/Pause', 'Previous Track', and 'Next Track' buttons on the control panel or remote for media playback.
2. RGB Lights Control
The PAK-7908 features dynamic RGB lighting. The lights typically synchronize with the music or cycle through various colors. Refer to the remote control for specific light mode buttons if available, or the lights may operate automatically.
3. FM Radio
- Press the 'Mode' button until 'FM' is displayed.
- Press the 'Play/Pause' button (or 'SCAN' on the remote) to automatically scan and save available FM stations.
- Use the 'Previous Track' and 'Next Track' buttons to navigate between saved stations.
4. Remote Control Usage
The included remote control provides convenient access to various functions:
- Power: Turn the unit on/off.
- Mode: Switch between input modes (Bluetooth, FM, AUX, USB, SD).
- Volume +/-: Adjust volume.
- EQ: Cycle through equalizer presets.
- Number Pad: Direct track selection for USB/SD mode or FM station input.
- Scan: Auto-scan FM stations.
Maintenance
- Cleaning: Wipe the speaker surfaces with a soft, dry cloth. Do not use abrasive cleaners, waxes, or solvents.
- Storage: When not in use for extended periods, store the speakers in a cool, dry place, away from direct sunlight and extreme temperatures.
- Battery Care (if applicable): Although the product specifications indicate no batteries are included or required for the main unit, if any accessories (like the remote) use batteries, ensure they are replaced as needed and disposed of properly.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|
| No power | Power cable not connected; Power outlet faulty; Speaker not switched on. | Check power cable connection; Try a different outlet; Ensure power switch is ON. |
| No sound | Volume too low; Incorrect input mode selected; Device not connected properly. | Increase volume; Press 'Mode' to select correct input; Reconnect device/re-pair Bluetooth. |
| Bluetooth pairing fails | Speaker not in pairing mode; Device too far; Interference. | Ensure speaker is in BT mode; Move device closer; Turn off other Bluetooth devices. |
| Remote control not working | Batteries low/dead; Obstruction between remote and speaker; Remote not pointed correctly. | Replace remote batteries; Remove obstructions; Point remote directly at the speaker's sensor. |
| Distorted sound | Volume too high; Audio source issue; Incorrect EQ settings. | Lower volume; Check audio source; Adjust EQ settings. |
Specifications
| Feature | Detail |
|---|
| Model Name | PAK-7908 |
| Speaker Type | Woofer (8-inch) |
| Amplification Type | Active |
| Connectivity Technology | Bluetooth, KSR-LINK |
| Special Features | Bluetooth, RGB Lights, FM Radio, USB, Micro SD, Remote Control |
| Output Wattage (RMS) | 25W + 25W RMS |
| Max Output Wattage | 6200W PMPOC/U (Peak Music Power Output per unit) |
| Impedance | 8 Ohm |
| Power Source | Corded Electric |
| Battery Life (Internal) | 5 Hours (Rechargeable) |
| Product Dimensions | 27cm (Depth) x 43cm (Width) x 40cm (Height) |
| Product Weight | 6 Kilograms |
| Color | Black |
| Mounting Type | Floor Mount |
Warranty and Support
Kaiser products are designed for reliability and performance. For information regarding warranty coverage, technical support, or service inquiries, please refer to the warranty card included with your product or visit the official Kaiser website. Keep your purchase receipt as proof of purchase for any warranty claims.
For further assistance, you may contact Kaiser customer support through their official channels. Details can typically be found on the manufacturer's website or on the product packaging.