Introduction
Thank you for purchasing the Mr. Dj PPBAT3500 15-inch Portable Speaker. This active speaker system features a built-in rechargeable battery, Bluetooth connectivity, FM radio, USB and SD card playback, and includes two wireless microphones. This manual provides detailed instructions for safe operation, setup, and maintenance of your speaker.
Important Safety Instructions
- Read Instructions: Read all safety and operating instructions before using this product.
- Retain Instructions: Keep these instructions for future reference.
- Heed Warnings: Adhere to all warnings on the product and in the operating instructions.
- Follow Instructions: Follow all operating and usage instructions.
- Water and Moisture: Do not use this apparatus near water.
- Cleaning: Clean only with a dry cloth.
- Ventilation: Do not block any ventilation openings. Install in accordance with the manufacturer's instructions.
- Heat: Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.
- Power Cord Protection: Protect the power cord from being walked on or pinched, particularly at plugs, convenience receptacles, and the point where they exit from the apparatus.
- Attachments/Accessories: Use only attachments/accessories specified by the manufacturer.
- Lightning/Unused Periods: Unplug this apparatus during lightning storms or when unused for long periods of time.
- Servicing: 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.
- Battery Warning: The battery may explode if mistreated. Do not disassemble, incinerate, or expose to high temperatures.
Package Contents
Please check that all items listed below are included in your package:
- Mr. Dj PPBAT3500 15-inch Portable Speaker
- 2 x Wireless Microphones
- Remote Control
- Power Cable
- User Manual (this document)
Product Overview
Familiarize yourself with the components and controls of your Mr. Dj PPBAT3500 speaker.

Figure 1: Front and rear view of the Mr. Dj PPBAT3500 portable speaker, showcasing the main unit, two wireless microphones, and the remote control. The front features the speaker grille with LED accent lighting, while the rear panel displays various input and control options.

Figure 2: Detailed view of the rear control panel. This panel includes inputs for microphones (MIC1, MIC2), guitar (MIC3/GUITAR), line-in (RCA and 3.5mm AUX), and line-out. It also features controls for volume, echo, bass, treble, and a media player section with USB/SD card slots, FM radio, Bluetooth, and an LCD display. Power input and battery status indicators are also visible.
Control Panel Features:
- MIC1/MIC2 Volume: Adjusts the volume for microphone inputs 1 and 2.
- MIC3/GUITAR Input: 1/4-inch input for a third microphone or a guitar.
- ECHO Control: Adjusts the echo effect for microphones.
- BASS/TREBLE Control: Adjusts the low and high frequencies of the audio output.
- LINE/MP3 Volume: Controls the volume for line-in and media player sources.
- USB/SD Card Slots: For playing audio files from USB drives or SD cards.
- LCD Display: Shows current mode, track information, and FM frequency.
- Media Player Controls: Buttons for Play/Pause, Stop, Skip Forward/Backward, Mode selection (Bluetooth, FM, USB, SD).
- Bluetooth Indicator: Lights up when Bluetooth is active.
- FM Antenna: For improved FM radio reception.
- LINE IN (RCA/AUX): Inputs for external audio devices.
- LINE OUT: Output for connecting to another speaker or audio system.
- EXTERNAL 12V DC POWER SUPPLY: Input for external 12V DC power.
- BATTERY INDICATOR: Shows the current charge level of the internal battery.
- AC INPUT: For connecting the speaker to mains power for charging and operation.
- POWER SWITCH: Turns the speaker on or off.
Setup
1. Initial Charging
- Before first use, fully charge the speaker's internal battery. Connect the supplied power cable to the AC INPUT on the rear panel and plug it into a standard wall outlet.
- The BATTERY INDICATOR lights will show the charging status. Allow several hours for a full charge. The indicator lights will show full when charging is complete.
- The speaker can be used while charging.
2. Powering On/Off
- Ensure the speaker is placed on a stable, flat surface.
- Flip the POWER SWITCH on the rear panel to the "ON" position to turn on the speaker.
- To turn off the speaker, flip the POWER SWITCH to the "OFF" position.
3. Wireless Microphones
- Insert appropriate batteries (not included) into the wireless microphones.
- Turn on the microphones. They should automatically connect to the speaker.
- Adjust the MIC1/MIC2 Volume knobs on the speaker's control panel to control microphone output.
Operating Instructions
1. Bluetooth Connectivity
- Turn on the speaker.
- Press the "MODE" button on the control panel or remote control until "BLUE" or "Bluetooth" appears on the LCD display. The Bluetooth indicator light will flash.
- On your Bluetooth-enabled device (smartphone, tablet, etc.), search for available Bluetooth devices.
- Select "PPBAT3500" from the list of devices.
- Once paired, the speaker will emit a confirmation tone, and the Bluetooth indicator light will stop flashing and remain solid.
- You can now play audio from your device through the speaker. Adjust volume using your device's controls and the LINE/MP3 Volume knob on the speaker.
2. FM Radio
- Turn on the speaker.
- Press the "MODE" button until "FM" appears on the LCD display.
- Extend the FM 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 "Skip Forward" or "Skip Backward" buttons to navigate through saved stations.
3. USB/SD Card Playback
- Turn on the speaker.
- Insert a USB flash drive or SD card (pre-loaded with MP3 audio files) into the respective slot on the control panel.
- The speaker will automatically switch to USB or SD mode and begin playing the first track. If not, press the "MODE" button to select the correct source.
- Use the media player controls (Play/Pause, Skip Forward/Backward) to manage playback.
- Adjust the LINE/MP3 Volume knob to control the playback volume.
4. Line-In (AUX) Connection
- Connect an external audio device (e.g., CD player, laptop) to the LINE IN (RCA or 3.5mm AUX) inputs on the rear panel using an appropriate audio cable (not included).
- Press the "MODE" button until "LINE" or "AUX" appears on the LCD display.
- Play audio from your external device.
- Adjust the LINE/MP3 Volume knob on the speaker and the volume on your external device.
5. Microphone and Guitar Usage
- For wireless microphones, ensure they are powered on and paired as described in the Setup section. Adjust MIC1/MIC2 Volume.
- For wired microphones or a guitar, connect them to the MIC1, MIC2, or MIC3/GUITAR 1/4-inch inputs.
- Adjust the corresponding volume knobs (MIC1/MIC2 Volume) and the ECHO control for desired effects.
6. Equalizer (EQ) Adjustment
- Use the BASS knob to increase or decrease the low-frequency response.
- Use the TREBLE knob to increase or decrease the high-frequency response.
- Adjust these controls to suit your audio preference and the acoustics of your environment.
Maintenance
1. Cleaning
- Always unplug the speaker from the power outlet before cleaning.
- Use a soft, dry cloth to clean the exterior surfaces of the speaker.
- Do not use liquid cleaners, aerosol cleaners, or solvents, as these may damage the finish or internal components.
2. Battery Care
- To prolong battery life, fully charge the speaker before storing it for extended periods.
- If the speaker is not used for a long time, charge the battery at least once every 3 months to prevent deep discharge.
- Avoid exposing the speaker to extreme temperatures, which can degrade battery performance.
3. Storage
- Store the speaker in a cool, dry place away from direct sunlight and excessive dust.
- Ensure all cables are neatly coiled and stored to prevent damage.
Troubleshooting
If you encounter issues with your Mr. Dj PPBAT3500 speaker, please refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Speaker does not power on. |
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| No sound from speaker. |
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| Bluetooth device cannot pair. |
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| Microphones not working. |
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| Poor FM radio reception. |
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Specifications
| Model | PPBAT3500 |
| Speaker Type | 15-inch Active Portable Speaker |
| Power Output | 3500 Watts (Peak), 100 Watts (RMS) |
| Woofer | 15-inch, 33 oz. Magnet, 2-inch Voice Coil |
| Tweeter | 1-inch Compression Driver |
| Amplifier Type | Class D |
| Connectivity | Bluetooth, USB, SD Card, FM Radio, AUX (RCA, 3.5mm), Microphone (1/4-inch) |
| Battery | Rechargeable 12V/7Ah DC |
| Power Source | AC 110V-220V / 50-60Hz, Battery Powered |
| Dimensions (L x W x H) | 29 x 17 x 19 inches |
| Weight | 40 pounds |
| Included Accessories | 2 Wireless Microphones, Remote Control |
Warranty and Support
Mr. Dj products are designed for reliability and performance. For warranty information and technical support, please refer to the warranty card included with your purchase or contact Mr. Dj customer service directly.
Please retain your proof of purchase for any warranty claims.
Manufacturer: Mr. Dj Inc.

