1. Introduction
The Proel V12FREE is a versatile and portable battery-powered audio system designed for maximum freedom of use. It features a powerful 400W Class D amplifier, an integrated 3-channel mixer with effects and EQ, and an advanced MP3 player with Bluetooth connectivity. This system supports playback from SD cards, USB drives, or directly from your smartphone/tablet. It also includes two USB inputs for connecting Proel U24H or U24B 2.4 GHz digital wireless microphones (sold separately). With its integrated lithium-ion battery, the V12FREE offers up to 10 hours of operation without mains power. Its ultra-portable and lightweight design (11 kg) allows for easy transport with a removable handle and wheels, and it can be mounted on standard speaker stands.
2. Important Safety Instructions
Please read and follow all safety instructions carefully before operating the Proel V12FREE. Keep this manual for future reference.
- Power Source: Only use the power adapter supplied with the unit. Ensure the voltage matches your local power supply.
- Ventilation: Do not block any ventilation openings. Install in accordance with the manufacturer's instructions.
- Water and Moisture: Do not expose this apparatus to rain or moisture. Do not use near water.
- Heat: Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus (including amplifiers) that produce heat.
- Cleaning: Clean only with a dry cloth.
- Servicing: Do not attempt to service this product yourself. Refer all servicing to qualified service personnel.
- Battery Care: Do not expose the battery to excessive heat or direct sunlight. Charge the battery regularly, even if the unit is not in use, to maintain its lifespan.
3. Product Overview
3.1 Components and Controls
The Proel V12FREE is designed for intuitive operation. Familiarize yourself with the main components and control panel before use.
Figure 3.1: Front view of the Proel V12FREE portable audio system. This image shows the main speaker grille and the robust casing.
Figure 3.2: Rear view of the Proel V12FREE, highlighting the control panel, power input, and wheels for portability.
Figure 3.3: Detailed view of the Proel V12FREE control panel, showing the media player, input channels, EQ, effect controls, and battery level indicators.
3.2 Key Features
- Complete battery-powered audio system with MP3 player, USB port, SD slot, Bluetooth connection, and LCD display.
- Two MIC/LINE inputs plus one stereo Line input.
- Two USB inputs for use with U24H and U24B 2.4 GHz wireless microphones.
- One Line output.
- HIGH + LOW tone controls (EQ).
- Integrated effect processor.
- 400W Class D amplifier.
- 1" neodymium compression driver with horn and 12" woofer.
- Lithium-ion battery with 10-12 hours of autonomy.
- Compact and lightweight polypropylene cabinet with two wheels and a telescopic handle for easy transport.
4. Setup Guide
4.1 Unpacking
Carefully remove the Proel V12FREE from its packaging. Inspect the unit for any signs of damage that may have occurred during transit. Retain the original packaging for future transport or storage.
4.2 Initial Charging
Before first use, it is recommended to fully charge the integrated lithium-ion battery. Connect the power cable to the AC input on the rear panel and plug it into a suitable power outlet. The battery level indicators on the control panel will show the charging status. A full charge typically takes several hours.
4.3 Placement
The V12FREE can be placed on a flat, stable surface or mounted on a standard speaker stand using the integrated pole mount. When using the telescopic handle and wheels for transport, ensure the handle is fully extended and locked into position for comfortable pulling.
Figure 4.1: The Proel V12FREE with its telescopic handle extended, ready for transport. The wheels at the base facilitate easy movement.
Figure 4.2: A hand demonstrating the ease of portability by pulling the Proel V12FREE using its extended telescopic handle and wheels.
4.4 Connecting Devices
The V12FREE offers various input options:
- Microphone/Line Inputs (CH1, CH2): Use XLR or 1/4" TRS cables to connect microphones or line-level instruments. Adjust the respective channel level knobs.
- Stereo Line Input (CH3): Use RCA cables to connect stereo audio sources like CD players or other media devices.
- USB/SD Media Player: Insert a USB drive or SD card into the dedicated slots on the media player section.
- Bluetooth: Pair your smartphone or tablet wirelessly (see Section 5.2).
- Wireless Microphones: Connect Proel U24H or U24B wireless microphone receivers to the dedicated USB inputs labeled 'WIRELESS 1' and 'WIRELESS 2'.
Figure 4.3: A close-up view of the USB port on the Proel V12FREE, demonstrating how a Proel U24 wireless microphone receiver can be connected for wireless audio input.
5. Operating Instructions
5.1 Power On/Off
To power on the unit, ensure all connections are secure, then flip the POWER switch located on the rear panel to the 'ON' position. The LCD display will illuminate, and the unit will initialize. To power off, flip the switch back to 'OFF'.
5.2 Bluetooth Connectivity
- Ensure the V12FREE is powered on.
- On the media player section, press the 'MODE' button until 'Bluetooth' is selected on the LCD display. The Bluetooth icon will flash, indicating it's in pairing mode.
- On your smartphone or tablet, go to Bluetooth settings and search for available devices.
- Select 'PROEL V12FREE' from the list. Once connected, the Bluetooth icon on the V12FREE's display will stop flashing and remain solid.
- You can now play audio from your device through the V12FREE.
5.3 USB/SD Playback
- Insert a USB flash drive into the USB port or an SD card into the SD slot on the media player.
- The unit will automatically detect the media and display 'Play Music' on the LCD. If not, press the 'MODE' button to select USB or SD mode.
- Use the 'PLAY/PAUSE', 'PREV', and 'NEXT' buttons to control playback.
5.4 Microphone and Line Inputs
Connect your microphones or line-level devices to the respective inputs (CH1, CH2, CH3). Adjust the individual channel level knobs to set the input volume. Use the 'MASTER' volume knob to control the overall output level of the system.
5.5 EQ and Effects
The V12FREE features HIGH and LOW tone controls (EQ) to adjust the treble and bass frequencies of the overall mix. Turn the 'HIGH' knob to boost or cut high frequencies and the 'LOW' knob for bass frequencies. The 'EFFECT' knob controls the level of the integrated digital effect, adding reverb or other spatial effects to your sound.
6. Maintenance and Care
- Cleaning: Use a soft, dry cloth to clean the exterior of the unit. Do not use abrasive cleaners, waxes, or solvents.
- Battery Care: To maximize battery life, avoid fully discharging the battery frequently. Recharge the unit after each use. If storing for an extended period, charge the battery to approximately 50% and recharge every few months.
- Storage: Store the unit in a cool, dry place away from direct sunlight and extreme temperatures.
- Transportation: When transporting, ensure the telescopic handle is fully retracted or extended and locked. Use the wheels for easy movement.
7. Troubleshooting
If you encounter any issues with your Proel V12FREE, refer to the table below for common problems and their solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Unit not plugged in; Power switch off; Battery depleted. | Ensure power cable is securely connected and plugged into a live outlet. Turn power switch ON. Charge the battery. |
| No sound output | Master volume too low; Input channel volume too low; Incorrect input selected; Device not connected properly. | Increase MASTER volume. Increase individual channel volume. Ensure correct input mode (Bluetooth, USB, Line) is selected. Check all cable connections. |
| Bluetooth not pairing | V12FREE not in pairing mode; Device too far; Bluetooth interference. | Ensure V12FREE is in Bluetooth pairing mode (flashing icon). Move device closer to the V12FREE. Turn off other Bluetooth devices nearby. |
| USB/SD playback issues | Unsupported file format; Corrupted media; Media not inserted correctly. | Ensure audio files are in supported formats (e.g., MP3). Try a different USB drive/SD card. Reinsert the media securely. |
| Distorted sound | Input level too high (clipping); Master volume too high; EQ settings incorrect. | Reduce input channel level. Reduce MASTER volume. Adjust HIGH/LOW EQ knobs to a neutral position or to taste. |
8. Technical Specifications
Detailed specifications for the Proel V12FREE audio system.
| Feature | Value |
|---|---|
| Model Number | V12FREE |
| Brand | PROEL |
| Maximum Speaker Output Power | 400 Watts |
| Connectivity Technology | Bluetooth, USB |
| Speaker Type | Portable |
| Item Weight | 11 Kilograms |
| Speaker Size | 12 Inches |
| Power Source | Battery Powered |
| Battery Life | 10-12 hours (Lithium-ion) |
| Amplifier Type | Class D |
| Inputs | 2 x MIC/LINE (XLR/TRS), 1 x Stereo Line (RCA), 2 x USB (for wireless mics) |
| Outputs | 1 x Line Out |
| Media Player | USB, SD, Bluetooth, LCD display |
9. Warranty and Customer Support
PROEL products are manufactured to the highest quality standards. For information regarding warranty coverage, terms, and conditions, please refer to the warranty card included with your product or visit the official PROEL website. If you require technical assistance, spare parts, or have any questions not covered in this manual, please contact PROEL customer support or your authorized dealer. Please have your product model number (V12FREE) and purchase information ready when contacting support.
