RockJam RJKSK-BK
RockJam RJKSK-BK Premium Performer 100W Bluetooth Karaoke Machine User Manual
Model: RJKSK-BK
1. Introduction
Thank you for choosing the RockJam RJKSK-BK Premium Performer 100W Bluetooth Karaoke Machine. This versatile system is designed for both home and commercial use, offering a powerful 100-watt speaker, two high-quality microphones, and a robust microphone stand. Enjoy seamless audio streaming via Bluetooth or AUX input, and enhance your vocal performances with integrated effects.
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.
2. Package Contents
Please verify that all items listed below are included in your package:
- RockJam 100W Karaoke/PA Speaker Unit
- Two (2) Wired Microphones
- Adjustable Microphone Stand with Device Holders
- Power Cable
- User Manual (this document)

Image 2.1: Complete RockJam RJKSK-BK system including the speaker, two microphones, and the adjustable stand.
3. Setup
3.1 Assembling the Microphone Stand
- Unfold the tripod base of the microphone stand. Ensure it is stable on a flat surface.
- Extend the main pole to your desired height and secure it using the locking mechanism.
- Attach the boom arm to the main pole. Adjust its angle and length as needed.
- Secure the microphone clips onto the boom arm and main pole.
- Attach the tablet/phone holders to the stand for displaying lyrics or controlling your device.

Image 3.1: Fully assembled microphone stand with holders for a tablet and a smartphone.
3.2 Connecting the Speaker and Microphones
- Place the RockJam speaker unit on a stable surface.
- Connect the power cable to the speaker's power input and then to a suitable power outlet.
- Plug the 1/4-inch jack of each microphone into the 'MIC1' and 'MIC2' inputs on the speaker's control panel.

Image 3.2: Detailed view of the speaker's control panel, showing microphone inputs and various controls.

Image 3.3: One of the included wired microphones, showing the 1/4-inch jack connector.
4. Operating Instructions
4.1 Powering On/Off
Locate the 'ON/OFF' switch on the speaker's control panel. Flip it to 'ON' to power on the unit. Flip it to 'OFF' to power off.
4.2 Connecting Audio Source
4.2.1 Bluetooth Connection
- Turn on the speaker. The 'BT' indicator light will flash, indicating it is in pairing mode.
- On your mobile device (smartphone, tablet, etc.), enable Bluetooth and search for available devices.
- Select 'RockJam' from the list of devices.
- Once connected, the 'BT' indicator light will become solid, and you will hear a confirmation tone.
- You can now stream audio from your device to the karaoke machine.
4.2.2 AUX Input Connection
- Connect a 3.5mm audio cable (not included) from your audio source (e.g., MP3 player, laptop) to the 'AUX' input on the speaker's control panel.
- The speaker will automatically switch to AUX mode.
4.3 Microphone Usage and Vocal Effects
- Ensure microphones are connected to 'MIC1' and 'MIC2' inputs.
- Adjust the 'MIC VOL' knob to control the volume of both microphones.
- Use the 'ECHO' knob to add a reverberation effect to your vocals. Turn clockwise for more echo.
- The 'BASS' knob adjusts the low-frequency response of the overall sound, including music and vocals.
- The 'MAIN VOLUME' knob controls the master volume of the entire system.

Image 4.1: The microphone stand with a tablet displaying lyrics, demonstrating a typical use case for the system.
5. Maintenance
5.1 Cleaning
- Always disconnect the power before cleaning.
- Wipe the surfaces of the speaker and microphones with a soft, dry cloth.
- Do not use liquid cleaners, aerosols, or solvents, as these may damage the finish or internal components.
5.2 Storage
- Store the unit in a cool, dry place away from direct sunlight and extreme temperatures.
- If storing for an extended period, consider disassembling the microphone stand and packing components in their original packaging or a protective case to prevent damage.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Power cable not connected; Power switch off; Outlet not working | Ensure power cable is securely connected; Turn power switch to ON; Test outlet with another device |
| No sound from speaker | Volume too low; Incorrect input selected; Audio source issue | Increase MAIN VOLUME; Ensure Bluetooth is paired or AUX cable is connected; Check audio source volume |
| No sound from microphone | Microphone not connected; MIC VOL too low; Microphone switch off | Ensure microphone is fully plugged into MIC1/MIC2; Increase MIC VOL; Check if microphone has an ON/OFF switch and it's ON |
| Bluetooth not connecting | Device too far; Bluetooth not enabled on source; Speaker not in pairing mode | Move device closer to speaker; Enable Bluetooth on your device; Restart speaker to enter pairing mode (flashing BT light) |
7. Specifications
- Brand: RockJam
- Model Number: RJKSK-BK
- Power Output: 100W
- Connectivity Technology: Bluetooth, AUX
- Input Audio: Bluetooth, Auxiliary
- Special Features: PA System, Vocal Effects (Echo, Bass)
- Compatible Devices: Mobile device, MP3 player
- Mounting Type: Floor Mount (for microphone stand)
- Power Source: Corded Electric
- Material: Plastic
- Microphone Cable Length: 1.5 m
- Color: Black
- Country of Origin: China
8. Warranty and Support
8.1 Warranty Information
For information regarding the warranty period and terms for your RockJam RJKSK-BK Premium Performer Karaoke Machine, please refer to the warranty card included with your purchase or contact RockJam customer support directly. Keep your proof of purchase for warranty claims.
8.2 Customer Support
If you encounter any issues not covered in the troubleshooting section or require further assistance, please contact RockJam customer support. Contact details can typically be found on the product packaging, the official RockJam website, or your purchase documentation.
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