PPMIC S66
PPMIC S66 Karaoke Machine Instruction Manual
Model: S66
Introduction
The PPMIC S66 Karaoke Machine is a versatile and portable audio system designed for various entertainment and public address needs. Featuring a 6.5-inch midrange speaker, it delivers clear and natural sound with 60W power handling. The system includes two wireless microphones, instrumental mode, and echo adjustment for an enhanced audio experience. With multiple connectivity options and a long-lasting battery, it is suitable for both indoor and outdoor use.

Figure 1: The PPMIC S66 Karaoke Machine with included accessories.
What's in the Box
- 1 × Karaoke Machine
- 2 × Wireless Microphones
- 1 × Type-C Cable
- Auxiliary Cable
- Shoulder Strap

Figure 2: Visual representation of the package contents.
Product Overview
Key Features:
- Studio-Quality Sound: Equipped with a 6.5-inch midrange driver and 60W power handling for rich, natural tones and exceptional clarity.
- Metal Composite Diaphragm: Enhances durability by 30% and reduces vibration distortion by 25% for improved sound fidelity.
- Instrumental Mode & Echo Adjustment: Allows removal of vocals from songs and adds reverb for a karaoke atmosphere.
- Multiple Playback Compatibility: Supports Bluetooth 5.3, TF card, USB, and AUX-IN connections.
- 4500 mAh Rechargeable Battery: Provides up to 12 hours of continuous playback.
- TWS Mode: Connect two identical units for synchronized stereo sound.
Control Panel:

Figure 3: Detailed view of the control panel for various adjustments and modes.
The control panel features knobs for Microphone Volume, Echo, and Master Volume. Buttons are available for LED Mode, Accompany Mode (Instrumental Mode), and various sound effects such as Giggles, Applause, Gunshot, Boos, Laughter, Yell, Whistling, Crow, and Kiss. Playback controls (Previous, Play/Pause, Next) are also present.
Connectivity Ports:

Figure 4: Available input and output ports on the device.
The unit includes ports for USB, TF Card, AUX-IN, and Live streaming. It also supports Bluetooth 5.3 for wireless connections.
Setup
- Charging the Unit: Before first use, fully charge the karaoke machine using the provided Type-C cable. The 4500 mAh battery allows for extended use.
- Microphone Setup: Insert two AA batteries (not included) into each wireless microphone. Turn on the microphones; they will automatically pair with the karaoke machine.
- Power On: Turn on the karaoke machine using the power button. The LED lights on the speaker will illuminate, and a voice prompt will indicate "Bluetooth mode."
- Bluetooth Pairing: On your smart device (smartphone, tablet, laptop), enable Bluetooth and search for "S66" in the list of available devices. Select "S66" to pair. A voice prompt will confirm "The Bluetooth device is connected successfully."
- Alternative Connections: For non-Bluetooth devices, use the AUX-IN port with the auxiliary cable. You can also insert a TF card or USB disk into their respective slots for direct playback.
Operating Instructions
Playing Music:
Once connected via Bluetooth or an alternative input, select your desired music or karaoke track from your device or storage. The audio will play through the PPMIC S66 speaker.
Using Microphones:
Ensure microphones are powered on and paired. Adjust the "Mic Vol" knob on the control panel to control the microphone's volume. Speak or sing into the microphone to hear your voice amplified through the speaker.

Figure 5: The wireless microphones offer a stable connection up to 30 meters.
Instrumental Mode (Vocal Elimination):
Press the 'Accompany' button on the control panel to activate Instrumental Mode. This feature attempts to remove vocals from a song, allowing you to sing along to the instrumental track.
Echo Adjustment:
Use the "Echo" knob on the control panel to adjust the reverb effect on your voice through the microphones, adding depth and atmosphere to your singing.
Sound Effects:
The control panel includes buttons for various sound effects like Giggles, Applause, Gunshot, Boos, Laughter, Yell, Whistling, Crow, and Kiss. Press and hold the corresponding button for a long press to activate the sound effect.
LED Light Show:
Press the "LED Mode" button to cycle through different colorful LED light patterns on the speaker, enhancing the visual experience. Options include Circling light, Energy light, Flashing light, Breathing light, Mono-color rhythm, and Multi-color rhythm.

Figure 6: The dynamic LED lights create an engaging visual display.
TWS Mode (True Wireless Stereo):
To use TWS mode, you need two identical PPMIC S66 karaoke machines. Power on both units. They will automatically attempt to pair with each other for synchronized stereo sound. Ensure both units are within close proximity for optimal connection.
Maintenance
- Cleaning: Use a soft, dry cloth to clean the exterior of the karaoke machine and microphones. Do not use abrasive cleaners or solvents.
- Storage: Store the unit in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: For optimal battery life, fully charge the unit before long periods of storage and recharge it every few months if not in regular use.
- Microphone Batteries: Remove batteries from microphones if they will not be used for an extended period to prevent leakage.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Battery is depleted | Connect to power source and charge the unit. |
| No sound from speaker | Volume too low; Incorrect input mode; Device not connected | Increase Master Volume; Select correct input (Bluetooth, AUX, USB, TF); Re-pair Bluetooth device. |
| Microphone not working | Microphone off; Low batteries; Not paired | Turn on microphone; Replace batteries; Ensure microphone is paired with the unit. |
| Bluetooth connection unstable | Device too far; Interference | Move device closer to the karaoke machine (within 30m); Avoid obstacles or other strong wireless signals. |
Specifications
- Item Weight: 4.85 pounds
- Product Dimensions: 5.91 x 11.65 x 13.19 inches
- Item Model Number: S66
- Batteries: 1 Lithium Ion battery required (included)
- Color Name: Black
- Compatible Devices: Laptop, Projector, Smartphone, Tablet, Television
- Connector Type: 3.5 mm Jack, USB Type C
- Material Type: Acrylonitrile Butadiene Styrene (ABS)
- Speaker Count: 1
- Output Wattage: 30 Watts
- Battery Type: Lithium Ion
- Power Source: 4500 mAh Battery Powered
- Voltage: 5 Volts (DC)
- Special Feature: 6.5" Mid-Range, Echo Effect, Instrumental Mode, PA System, Stereo Pairing
- Recommended Uses For Product: Karaoke
Warranty and Support
PPMIC is committed to providing quality products and customer satisfaction. The company offers a 100-year warranty on its products, demonstrating confidence in their durability and performance. For any inquiries or assistance, 7/24 hour customer support is available. Additionally, a US local after-sales center is provided for convenient service and support.
For further details regarding warranty claims or technical assistance, please refer to the contact information provided on the official PPMIC website or the product packaging.