1. Introduction
Thank you for purchasing the BENPAL K1 Portable Karaoke Machine. This device is designed to provide a versatile and enjoyable audio experience, suitable for home entertainment, parties, and various events. It features wireless microphones, multiple connectivity options, and voice-changing effects to enhance your karaoke sessions.
This manual provides detailed instructions for setting up, operating, and maintaining your karaoke machine. Please read it thoroughly before use to ensure proper function and longevity of the product.
2. Package Contents
Please check the package carefully to ensure all items are present:
- BENPAL K1 Karaoke Machine
- Wireless Microphone (x2)
- Type-C Charging Cable (x1)
- 18650 Rechargeable Battery (x2, for microphones)
- Remote Control (x1)
- 13.5V Power Adapter (x1)
- User Manual (x1)

Figure 2.1: All included components of the BENPAL K1 Karaoke Machine.
3. Product Overview
The BENPAL K1 Karaoke Machine is a compact and portable audio system. It features a durable leather-like exterior with red stitching, a protective speaker grille, and a top-mounted control panel with illuminated buttons and knobs for easy access to all functions.

Figure 3.1: Front view of the BENPAL K1 Karaoke Machine.
3.1 Main Unit Features
- Control Panel: Located on top, featuring knobs for volume, bass, treble, and echo, along with buttons for various effects and music playback controls.
- Connectivity Ports: Includes USB, AUX, HDMI, and TF Card slots for diverse audio input options.
- Portable Design: Equipped with a sturdy carrying handle and rubberized feet for stability and easy transport.

Figure 3.2: Detailed view of the control panel.
3.2 Wireless Microphones
The system includes two wireless microphones, each with its own power button and display. They are designed for automatic pairing with the main unit.

Figure 3.3: Included wireless microphones.
4. Setup
4.1 Charging the Unit and Microphones
- Main Unit: Connect the provided 13.5V power adapter to the DC IN port on the karaoke machine and plug it into a power outlet. The unit will begin charging.
- Microphones: Unscrew the bottom part of each wireless microphone. Insert one of the provided 18650 rechargeable batteries into each microphone, ensuring correct polarity. Use the included Type-C charging cable to charge the microphone batteries.
4.2 Powering On and Automatic Pairing
- Power On Main Unit: Locate the power switch on the control panel and turn the unit ON.
- Power On Microphones: Press and hold the power button on each microphone until its display illuminates. The microphones will automatically pair with the karaoke machine.
Video 4.1: Demonstration of microphone battery insertion, power-on, and automatic pairing with the BENPAL K1 Karaoke Machine. The video also shows various voice effects and music controls.
5. Operating Instructions
5.1 Connecting via Bluetooth
- Ensure the karaoke machine is powered on. The display should show 'BLUE' indicating Bluetooth mode.
- On your smart device (phone, tablet, laptop), go to Bluetooth settings and search for available devices.
- Select 'BT SPEAKER' from the list to connect. A confirmation sound will indicate a successful connection.

Figure 5.1: Connectivity options including Bluetooth pairing.
5.2 Using Voice Effects and Echo
The control panel features buttons and sliders to adjust your vocal output:
- Voice Changer: Use the 'EFFECT MULTIFUNCTIONAL SELECTION' buttons (e.g., BOY, GIRL, CHILD, MONSTER, BABY) to alter your voice.
- Echo/Reverb: Adjust the 'M.ECHO' and 'M.REVERB' sliders to add echo or reverb to your voice for a more professional sound.

Figure 5.2: Voice changer options for various vocal effects.
5.3 Music Playback and Karaoke Function
- Music Sources: Play music via Bluetooth, USB drive, TF card, or AUX input. Use the corresponding buttons on the control panel to select the source.
- Playback Controls: Use the PLAY/PAUSE, PREV, and NEXT buttons to control your music.
- ACC Function: Press the 'ACC' button to reduce the original vocals of a song, allowing you to sing along to the instrumental track.
- Music Style: Select different music styles like POP, CLASSICAL, JAZZ, ROCK, or VOCAL to optimize audio output for various genres.
5.4 Instrument Input
The BENPAL K1 includes a dedicated input for musical instruments, such as a guitar. Connect your instrument to the appropriate port on the control panel and adjust the 'GUITAR VOL' knob to balance the sound with your vocals.

Figure 5.3: Connecting an electronic instrument to the karaoke machine.
5.5 Using the Remote Control
The included remote control allows you to manage playback, volume, and other settings from a distance, providing convenience during your karaoke sessions.
6. Maintenance
- Cleaning: Use a soft, dry cloth to clean the exterior of the karaoke machine and microphones. Avoid using abrasive cleaners or solvents.
- Storage: Store the unit in a cool, dry place away from direct sunlight and extreme temperatures when not in use.
- Battery Care: For optimal battery life, fully charge the unit and microphones before extended storage. Recharge periodically if stored for long periods.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No sound from microphones | Microphone not powered on; Batteries low or incorrectly inserted; Not paired. | Ensure microphones are ON; Check and replace/charge batteries; Verify automatic pairing (power cycle if needed). |
| Bluetooth not connecting | Device too far; Bluetooth not enabled on device; Incorrect device selected. | Ensure device is within range; Enable Bluetooth on your device; Select 'BT SPEAKER' from the list. |
| Distorted sound | Volume too high; Poor audio source quality; Microphone too close to speaker. | Adjust volume levels on both the machine and your source device; Use high-quality audio files; Maintain appropriate distance between microphone and speaker. |
| Unit not charging | Power adapter not connected properly; Faulty power outlet. | Ensure power adapter is securely connected; Try a different power outlet. |
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | K1 |
| Brand | BENPAL |
| Mounting Type | Floor Standing |
| Connector Type | Aux |
| Material | Metal, Plastic |
| Item Weight | 6.59 Kilograms (14.5 pounds) |
| Number of Channels | 2 |
| Audio Input | Musical Instrument Input |
| Product Dimensions (L x W x H) | 15 x 17 x 16 inches |
| Connectivity Technology | AUX, Bluetooth, HDMI, USB |
| Color | Black |
| Compatible Devices | Tablet, Television, iPad, iPhone, musical instrument |
9. Warranty & Support
For warranty information and customer support, please refer to the product packaging or contact BENPAL customer service through the retailer where you purchased the product. Keep your purchase receipt as proof of purchase.