Kaiser MSA-7908ND Rechargeable Amplified Speaker User Manual

1. Introduction

Thank you for purchasing the Kaiser MSA-7908ND Rechargeable Amplified Speaker. 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.

Image 1.1: Front view of the Kaiser MSA-7908ND speaker, showcasing its robust design and dynamic circular LED lighting. The speaker features a black grille and a red KSR logo band across the center.

2. Important Safety Instructions

To reduce the risk of electric shock, fire, or injury, always follow these basic safety precautions:

• Read all instructions before operating the speaker.
• Do not expose this appliance to rain or moisture.
• Do not block any ventilation openings. Install in accordance with the manufacturer's instructions.
• Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.
• Protect the power cord from being walked on or pinched, particularly at plugs, convenience receptacles, and the point where they exit from the apparatus.
• Only use attachments/accessories specified by the manufacturer.
• Unplug this apparatus during lightning storms or when unused for long periods of time.
• Refer all servicing to qualified service personnel. Servicing is required when the apparatus has been damaged in any way, such as power-supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped.
• The battery used in this device may present a risk of fire or chemical burn if mistreated. Do not disassemble, heat above 100°C (212°F), or incinerate.

3. Package Contents

Please check the package for the following items:

• Kaiser MSA-7908ND Amplified Speaker Unit
• Power Adapter/Charging Cable
• Wired Microphone
• User Manual (this document)

If any items are missing or damaged, please contact your retailer or Kaiser customer support.

4. Product Overview

The Kaiser MSA-7908ND is a versatile rechargeable amplified speaker designed for various audio applications. It features multiple input options, sound adjustments, and dynamic LED lighting.

4.1 Controls and Ports

Image 4.1: Detailed view of the rear control panel of the Kaiser MSA-7908ND speaker. This panel includes controls for volume, bass, treble, echo, and microphone volume. It also features input ports for USB, Micro SD, AUX, and a microphone, along with power switches and an LED display.

1. VOLUME (MIN-MAX): Master volume control for overall sound output.
2. BASS (MIN-MAX): Adjusts the low-frequency sound levels.
3. TREBLE (MIN-MAX): Adjusts the high-frequency sound levels.
4. ECHO (MIN-MAX): Adjusts the echo effect for the microphone input.
5. MIC VOL (MIN-MAX): Adjusts the volume level of the connected microphone.
6. POWER (OFF/ON): Main power switch for the speaker.
7. RECHARGE (OFF/ON): Power switch for the internal rechargeable battery.
8. LED Display: Shows current mode, track number, or FM frequency.
9. USB Port: For playing audio files from a USB flash drive.
10. MICRO SD Card Slot: For playing audio files from a Micro SD card.
11. AUX Input: 3.5mm jack for connecting external audio devices.
12. MIC Input: 6.35mm jack for connecting a wired microphone.
13. MODE Button: Switches between Bluetooth, FM Radio, USB, SD, and AUX input modes.
14. PLAY/PAUSE Button (►/−): Plays or pauses audio playback.
15. PREVIOUS/SCAN Button (◀◀): Skips to the previous track or scans FM stations.
16. NEXT/REPEAT Button (►►): Skips to the next track or repeats current track/all tracks.
17. REC/REP Button: Initiates recording (if supported) or repeats playback.
18. DC 5V Input: Power input for charging the speaker.

5. Setup

5.1 Initial Charging

Before first use, fully charge the speaker's internal battery. Connect the provided power adapter to the DC 5V input port on the speaker and plug it into a standard wall outlet. The charging indicator (if present) will illuminate. Charging typically takes approximately 3.5 hours.

5.2 Speaker Placement

Place the speaker on a stable, flat surface. Ensure there is adequate ventilation around the unit. For optimal sound quality, avoid placing the speaker in enclosed spaces or directly against walls, which can affect bass response.

Image 5.1: A promotional image highlighting key features of the Kaiser MSA-7908ND speaker, including its 3.5-hour rechargeable battery, Bluetooth connectivity, and vibrant multicolor lighting. The speaker is shown in a dark setting with a blue light effect.

6. Operating Instructions

6.1 Power On/Off

To turn on the speaker, switch the POWER switch to the 'ON' position. To turn off, switch it to 'OFF'. Ensure the RECHARGE switch is also in the 'ON' position if operating on battery power.

6.2 Bluetooth Mode

1. Turn on the speaker. The speaker will automatically enter Bluetooth pairing mode, indicated by a flashing 'BLUE' on the LED display.
2. Enable Bluetooth on your mobile device (smartphone, tablet, etc.).
3. Search for available devices and select 'MSA-7908ND' from the list.
4. Once paired, the speaker will emit a confirmation tone, and 'BLUE' will stop flashing.
5. You can now play audio from your device through the speaker.

6.3 USB/Micro SD Playback

1. Insert a USB flash drive or Micro SD card (pre-loaded with MP3 audio files) into the respective port/slot.
2. The speaker will automatically switch to USB/SD mode and begin playing the first track. If not, press the MODE button to select USB/SD mode.
3. Use the PLAY/PAUSE, PREVIOUS, and NEXT buttons to control playback.

6.4 FM Radio Mode

1. Press the MODE button until 'FM' appears on the LED display.
2. Press and hold the PREVIOUS/SCAN button (◀◀) to automatically scan and save available FM stations. The speaker will scan and store stations from the lowest to highest frequency.
3. Once scanning is complete, use the PREVIOUS (◀◀) and NEXT (►►) buttons to navigate through the saved stations.

6.5 AUX Input

1. Connect one end of a 3.5mm audio cable (not included) to the AUX input port on the speaker.
2. Connect the other end to the audio output jack of your external device (e.g., MP3 player, laptop).
3. Press the MODE button until 'AUX' appears on the LED display.
4. Control playback and volume from your external device.

6.6 Microphone Use

1. Connect the wired microphone to the MIC Input jack.
2. Adjust the microphone volume using the MIC VOL knob.
3. Adjust the echo effect using the ECHO knob.

6.7 Sound Adjustment

Use the BASS and TREBLE knobs to fine-tune the audio output to your preference.

6.8 LED Lights

Image 6.1: The Kaiser MSA-7908ND speaker displaying its dynamic LED lighting in blue (left) and yellow (right). These images illustrate the speaker's ability to change light colors, enhancing the visual experience.

The speaker features integrated multicolor LED lights that illuminate the front grille. These lights typically operate automatically with the music or can be controlled via a dedicated button if available (refer to the control panel for a specific light control button, if any). If no specific control is present, the lights will cycle through colors or react to audio input.

7. Maintenance

7.1 Cleaning

Wipe the speaker's exterior with a soft, dry cloth. Do not use abrasive cleaners, waxes, or solvents. Ensure no liquids enter the speaker's openings.

7.2 Storage

When not in use for extended periods, store the speaker in a cool, dry place away from direct sunlight and extreme temperatures. It is recommended to charge the battery fully every 3-6 months to maintain its lifespan.

7.3 Battery Care

To prolong battery life, avoid completely draining the battery frequently. Charge the speaker when the low battery indicator appears. Do not leave the speaker connected to power for excessively long periods after it is fully charged.

8. Troubleshooting

9. Specifications

• Model: MSA-7908ND
• Brand: Kaiser
• Power Output: 5,000 W PMPO (Peak Music Power Output)
• Connectivity: Bluetooth, USB, Micro SD, AUX (3.5mm), Microphone (6.35mm)
• Radio: FM Tuner
• Battery: Rechargeable, approximately 3.5 hours playback time
• Dimensions: 41.4 x 26.9 x 21.4 cm (approx. 16.3 x 10.6 x 8.4 inches)
• Weight: 3.32 kg (approx. 7.32 lbs)
• ASIN: B08BTFYLQP

10. Warranty and Support

Kaiser products are designed for quality and reliability. For warranty information, technical support, or service inquiries, please refer to the warranty card included with your product or visit the official Kaiser website. Please have your model number (MSA-7908ND) and purchase details ready when contacting support.

For further assistance, you may also contact your point of purchase.