1. Introduction
Thank you for purchasing the Kaiser KSA-7908BT Professional 8-inch Amplified Wireless Speaker Kit. This manual provides essential information for the safe and efficient operation of your device. Please read it thoroughly before use and retain it for future reference.
Safety Instructions
- Do not expose the unit to rain or moisture to prevent fire or electric shock.
- Do not open the casing. Refer all servicing to qualified personnel.
- Ensure proper ventilation. Do not block ventilation openings.
- Use only the power adapter supplied with the unit.
- Keep the unit away from heat sources, direct sunlight, and strong magnetic fields.
- Clean the unit with a soft, dry cloth. Do not use liquid cleaners.
2. Package Contents
Please check that all items listed below are included in your package:
- Kaiser KSA-7908BT Amplified Speaker
- Wired Microphone
- Remote Control
- Battery Charging Adapter
- User Manual (this document)
3. Product Overview
Familiarize yourself with the main components and controls of your KSA-7908BT speaker.
Front View
Image 1: Front view of the Kaiser KSA-7908BT speaker, showcasing the 8-inch speaker cone with a blue LED light and the 'KSR Premium' branding.
Rear Control Panel
Image 2: Detailed view of the rear control panel, featuring the display, media controls, volume knobs, input ports (USB, SD, Aux, RCA, Mic), and power switch.
Microphone and Remote Control
Image 3: The wired microphone and the compact remote control, which allows for convenient operation of the speaker's functions.
4. Setup
4.1 Charging the Battery
- Connect the supplied charging adapter to the DC IN port on the rear panel of the speaker.
- Plug the adapter into a standard electrical outlet.
- The charging indicator light will illuminate. Allow approximately 5-6 hours for a full charge.
- A fully charged battery provides up to 5 hours of continuous playback, depending on usage and volume levels.
4.2 Initial Power On
- Ensure the speaker is charged or connected to power.
- Locate the POWER switch on the rear panel and switch it to the ON position.
- The display will light up, indicating the unit is ready for operation.
4.3 Connecting the Microphone
- Insert the 6.3mm jack of the wired microphone into the MIC 1 or MIC 2 input on the rear panel.
- Adjust the MIC VOL knob to control the microphone's volume.
- Use the ECHO knob to add an echo effect to the microphone audio.
5. Operating Instructions
5.1 Bluetooth Mode
- Turn on the speaker. The display will show the current mode.
- Press the MODE button on the speaker or remote control until "BLUETOOTH" appears on the display.
- On your mobile device (smartphone, tablet, laptop), enable Bluetooth and search for available devices.
- Select "KSA-7908BT" from the list of devices.
- Once paired, you can play audio from your device through the speaker. The effective range is up to 2 meters.
- Use the PLAY/PAUSE, PREV, and NEXT buttons on the speaker or remote to control playback.
5.2 FM Radio Mode
- Turn on the speaker.
- Press the MODE button until "FM" appears on the display.
- Extend the antenna on the rear panel for better reception.
- Press and hold the PLAY/PAUSE button to automatically scan and save available FM stations.
- Use the PREV and NEXT buttons to navigate through the saved stations.
5.3 USB/SD Card Playback
- Insert a USB flash drive or SD card (with MP3/WMA audio files) into the corresponding port on the rear panel.
- The speaker will automatically switch to USB or SD mode and begin playing audio. If not, press the MODE button to select the correct input.
- Use the PLAY/PAUSE, PREV, and NEXT buttons to control playback.
5.4 Auxiliary (AUX) Input
- Connect an external audio device (e.g., MP3 player, CD player) to the AUX IN port using a 3.5mm audio cable (not included).
- Press the MODE button until "AUX" appears on the display.
- Control playback from your external audio device.
5.5 RCA Input
- Connect an external audio device (e.g., DVD player, mixer) to the RCA IN ports using an RCA cable (not included).
- Press the MODE button until the appropriate input is selected (usually indicated by the display or automatic detection).
- Control playback from your external audio device.
5.6 Adjusting Audio Settings
- VOLUME: Adjusts the overall master volume of the speaker.
- BASS: Controls the low-frequency audio output.
- TREBLE: Controls the high-frequency audio output.
- MIC VOL: Adjusts the volume of the connected microphone(s).
- ECHO: Adjusts the echo effect for the microphone(s).
- EQ: On the remote control, press the EQ button to cycle through preset equalizer modes.
5.7 Multicolor Light
The speaker features a multicolor LED light around the speaker cone. This light automatically activates when the speaker is powered on and cycles through various colors, enhancing the audio experience.
6. Maintenance
6.1 Cleaning
Wipe the speaker's exterior with a soft, dry cloth. Do not use abrasive cleaners, waxes, or solvents as they may damage the finish. Ensure no liquids enter the speaker's openings.
6.2 Battery Care
- To prolong battery life, fully charge the speaker before its first use.
- Avoid completely draining the battery frequently.
- If storing the speaker for an extended period, charge it to about 50% every few months to prevent deep discharge.
- Use only the original charging adapter.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Speaker does not power on. | Battery is depleted. Power switch is off. | Charge the speaker using the provided adapter. Ensure the power switch is in the ON position. |
| No sound output. | Volume is too low. Incorrect input mode selected. External device not playing or connected properly. | Increase the master volume. Press the MODE button to select the correct input (Bluetooth, FM, USB, SD, AUX, RCA). Check the external device's playback and connection. |
| Bluetooth pairing fails. | Speaker is not in Bluetooth mode. Device is out of range. Previous device still connected. | Switch the speaker to Bluetooth mode. Move your device closer to the speaker (within 2 meters). Disconnect from any previously paired devices. |
| Microphone not working. | Microphone not connected. MIC VOL knob is too low. Microphone switch is off. | Ensure the microphone is securely plugged into a MIC input. Increase the MIC VOL knob. Check if the microphone's ON/OFF switch is in the ON position. |
| Poor FM radio reception. | Antenna not extended. Weak signal in the area. | Fully extend the telescopic antenna. Try repositioning the speaker or antenna. |
8. Specifications
- Model: KSA-7908BT
- Speaker Size: 8 inches
- Audio Power: 3400W PMPO / 2W RMS
- Impedance: 4 Ohms
- Connectivity: Bluetooth, USB, SD, AUX (3.5mm), RCA, 6.3mm Microphone Input
- Bluetooth Range: Up to 2 meters (approx. 6.5 feet)
- Functions: FM Radio, Multicolor LED Light
- Power Source: Rechargeable Battery (1 x 12V included)
- Average Battery Life: Up to 5 hours (varies with usage)
- Mounting Type: Floor Mount
- Product Dimensions (L x W x H): 29.2 x 43.5 x 23.2 cm (11.5 x 17.1 x 9.1 inches)
- Product Weight: 5.5 kg (12.1 lbs)
- Compatible Devices: Laptops, Smartphones, other audio devices with compatible outputs.
9. Warranty and Support
Kaiser products are designed for reliability and performance. For warranty information or technical support, please refer to the warranty card included with your purchase or visit the official Kaiser website. Keep your proof of purchase for any warranty claims.
