Introduction
Welcome to the user manual for your Singing Machine Karaoke SML385BTBK system. This manual provides essential information for the safe and efficient operation of your karaoke machine. Please read it thoroughly before use and retain it for future reference. This system allows you to enjoy karaoke with CD+G discs or stream music wirelessly via Bluetooth. It features integrated LED lights for an enhanced party experience.
Important Safety Instructions
- Read these instructions.
- Keep these instructions.
- Heed all warnings.
- Follow all instructions.
- Do not use this apparatus near water.
- Clean only with a dry cloth.
- 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.
Package Contents
Ensure all items are present before proceeding with setup:
- Singing Machine Karaoke SML385BTBK System
- 1 x Pink Microphone
- AC Power Adapter
- User Manual (this document)

Image: The Singing Machine Karaoke SML385BTBK system, featuring a black main unit with colorful LED lights, and a separate pink microphone with its cable. The main unit displays controls for CD playback, volume, and light effects.
Setup
- Power Connection: Connect the AC power adapter to the DC IN jack on the back of the unit and then plug the adapter into a standard wall outlet.
- Microphone Connection: Plug the microphone cable into one of the MIC 1 or MIC 2 jacks on the front of the unit.
- Audio Output (Optional): To connect to an external sound system, use an RCA audio cable (not included) to connect the AUDIO OUT jacks on the back of the unit to the audio input jacks on your stereo system or TV.
- Audio Input (Optional - Line-In): To connect an external audio device (e.g., MP3 player) via a wired connection, use an audio cable (not included) to connect the LINE IN jack on the front of the unit to the headphone jack or audio output of your device.
Operating Instructions
Powering On/Off
- Press the POWER button to turn the unit ON or OFF.
CD+G Playback
- Open the CD door and place a CD+G disc onto the spindle, label side up. Close the CD door.
- Press the CD/AUX button to select CD mode.
- Press the PLAY/PAUSE button to start playback.
- Use the SKIP buttons (|<< / >>|) to navigate between tracks.
- Press the STOP button to stop playback.
Bluetooth Wireless Streaming
- Press the BLUETOOTH button to select Bluetooth mode. The display will show "BT" and the Bluetooth indicator will flash.
- Enable Bluetooth on your mobile device (smartphone, tablet, etc.) and search for "SINGING MACHINE".
- Select "SINGING MACHINE" from the list of available devices to pair. Once paired, the Bluetooth indicator will stop flashing and remain solid.
- Start playing music on your connected device. The audio will stream through the karaoke system.
- Adjust the volume on both your device and the karaoke system.
Line-In Connection
- Connect your external audio device to the LINE IN jack using an audio cable.
- Press the CD/AUX button to select AUX mode.
- Start playing music on your connected device.
Microphone Usage and Voice Effects
- Microphone Volume: Use the MIC VOLUME knob to adjust the microphone's output level.
- Echo Control: Turn the ECHO knob to add an echo effect to your voice.
- Auto Voice Control (AVC): The AVC switch, when activated, will automatically reduce the main vocal track on a multiplex CD+G disc when you sing into the microphone. The vocal track will return when you stop singing.
- Balance Control: The BALANCE knob adjusts the balance between the music and the vocal track on a multiplex CD+G disc.
Light Show
- The unit features multi-colored LED lights that synchronize with the music.
- Use the DISCO LIGHT switch to turn the light show ON or OFF.
Maintenance
- Cleaning: Disconnect the power before cleaning. Use a soft, dry cloth to clean the exterior of the unit. Do not use liquid cleaners or aerosol cleaners.
- CD Lens Care: To ensure proper CD playback, occasionally clean the CD lens with a standard CD lens cleaner disc.
- Storage: When not in use for extended periods, store the unit in a cool, dry place, away from direct sunlight and extreme temperatures.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Power cord not connected; outlet not working. | Ensure power cord is securely plugged into the unit and a working wall outlet. |
| No sound from microphone | Microphone not plugged in; MIC VOLUME too low; microphone switch OFF. | Plug in microphone; increase MIC VOLUME; ensure microphone switch is ON. |
| No sound from unit | MASTER VOLUME too low; incorrect source selected; external device volume too low. | Increase MASTER VOLUME; select correct source (CD, BT, AUX); increase volume on external device. |
| Bluetooth pairing failed | Device too far; Bluetooth not enabled on device; incorrect device selected. | Move device closer; enable Bluetooth; select "SINGING MACHINE" from device list. |
| CD skipping or not playing | Disc dirty or scratched; unit moved during playback. | Clean disc with a soft cloth; ensure unit is on a stable surface. |
Specifications
| Model Number | SML385BTBK |
| Connectivity Technology | Bluetooth |
| Compatible Devices | Smartphone, Tablet, Laptop, Personal Computer |
| Connector Type | 3.5 mm Jack, USB (Note: USB functionality for playback not explicitly detailed in product features) |
| Power Source | Battery Powered (Note: Product includes AC Power Adapter for primary operation) |
| Included Components | Microphone |
Note: Specifications are subject to change without notice for product improvement.
Warranty and Support
For warranty information and technical support, please refer to the warranty card included with your product or visit the official Singing Machine website. Do not attempt to repair the unit yourself. Contact qualified service personnel for assistance.
Website: www.singingmachine.com







