Introduction
This manual provides detailed instructions for the setup, operation, and maintenance of your PRORECK Delta 128 2400W Bluetooth PA Speaker System. Please read this manual thoroughly before using the system to ensure proper functionality and to maximize your audio experience.
Ce qui est inclus
The PRORECK Delta 128 PA Speaker System package contains the following components:
- 1 x 8-channel powered Bluetooth mixer
- 2 x 12-inch passive speakers
- 2 x Adjustable tripod speaker stands
- 1 x microphone filaire
- 2 x 16.5ft Speakon cables for mixer to speaker connection
- 1 x câble d'alimentation
- 1 x Manuel (ce document)
- 1 x Remote control (for mixer)
- 1 x câble de microphone

This image illustrates the complete set of items you should find in your package.
Système terminéview: 8-Channel Powered Mixer
The heart of the PRORECK Delta 128 system is its versatile 8-channel powered mixer, designed for comprehensive audio control.

Key Mixer Features:
- 5-Band Equalizer (EQ): Provides precise tone control over each frequency range for high-quality sound.
- Wireless Bluetooth Functionality: Allows for wireless audio streaming from compatible devices.
- Entrées micro: Compatible with multiple microphones, matching various input interfaces.
- USB Memory Storage Device Support: Insert USB drives for direct MP3 playback.
- RCA Line Input & Output: For connecting additional audio devices.
- Alimentation fantôme 15V: Essential for professional condenser microphones, enabling their operation.

Instructions d'installation
Follow these steps to correctly set up your PRORECK Delta 128 PA Speaker System.
1. Emplacement des haut-parleurs
Position the two 12-inch passive speakers on the adjustable tripod speaker stands. Ensure the stands are stable and placed on a flat, secure surface. Adjust the height for optimal sound projection.
2. Mixer Connections
Connect the passive speakers to the 8-channel powered mixer using the provided 16.5ft Speakon cables.

Locate the speaker outputs on the rear panel of the mixer and connect the Speakon cables securely.
3. Connexion électrique
Connect the power cable to the mixer's power input and then to a suitable electrical outlet. Ensure the power switch on the mixer is in the "OFF" position before connecting to power.
4. Mise sous tension initiale
Once all connections are secure, switch the mixer's power to "ON". The system is now ready for audio input.
Mode d'emploi
1. Connexion de sources audio
The mixer supports various audio inputs:
- Microphones: Connect wired microphones to the XLR or 1/4-inch inputs. If using condenser microphones, activate the 15V phantom power switch.
- Instruments: Connect instruments like guitars or keyboards to the available input channels.
- External Devices (RCA): Use the RCA line input for devices such as CD players or other audio sources.

2. Connectivité Bluetooth
Pour diffuser de l'audio sans fil via Bluetooth :
- Mettez le mixeur sous tension.
- Activez le Bluetooth sur votre smartphone, tablette ou autre appareil compatible.
- Select "PRORECK DELTA 128" from the list of available devices.
- Once paired, you can stream audio directly to the PA system.
3. Lecture MP3 USB
Insert a USB memory stick containing MP3 audio files into the USB port on the mixer. Use the mixer's controls to navigate and play tracks.
4. Réglage du son
Use the individual channel controls for volume, EQ (bass, treble), and effects. The master volume controls the overall output level. Experiment with the 5-band equalizer to fine-tune the sound to your preference and environment.
5. Effets de réverbération
The mixer includes built-in reverb effects. Use the dedicated controls to adjust the amount and type of reverb applied to your audio sources, enhancing vocal and instrument presence.
Caractéristiques
The following table details the technical specifications of the PRORECK Delta 128 PA Speaker System:
| Fonctionnalité | Détail |
|---|---|
| Marque | PRORECK |
| Numéro de modèle | DELTA Series PA System |
| Puissance de sortie (crête) | 2400 W |
| Canaux du mélangeur | 8 canaux |
| Taille du haut-parleur | 2 haut-parleurs passifs de 12 pouces |
| Technologie de connectivité | Bluetooth |
| Phantom Power | 15V |
| Matériel | Métal, plastique |
| Type de montage | Floor Standing (with included stands) |
| Appareils compatibles | Drum, Guitar, Keyboard, Laptop, MP3 Player, Microphone, Smartphone, Tablet |

The speakers are designed for portability, featuring handles and wheels for easy transport.

Dépannage
If you encounter issues with your PRORECK Delta 128 PA Speaker System, refer to the following common solutions:
Pas de sortie audio
- Ensure all power cables are securely connected and the mixer is powered on.
- Check that speaker cables (Speakon) are firmly connected to both the mixer and the speakers.
- Verify that all volume controls (channel, master, and connected device) are turned up.
- Confirm that the correct input source is selected on the mixer.
- Effectuez un test avec une source audio ou un câble différent afin d'éliminer la possibilité d'un matériel défectueux.
Son déformé
- Reduce the volume levels on both the mixer and the input source to prevent clipping.
- Check microphone and instrument cables for damage.
- Adjust the EQ settings to reduce excessive bass or treble that might be causing distortion.
Problèmes de connexion Bluetooth
- Assurez-vous qu'aucun autre appareil n'est actuellement connecté à la table de mixage.
- Move your Bluetooth device closer to the mixer to improve signal strength.
- Turn off and restart Bluetooth on your device and the mixer.
Microphone ne fonctionne pas
- Ensure the microphone is properly connected to the correct input channel.
- If using a condenser microphone, verify that 15V phantom power is activated for that channel.
- Vérifiez que le câble du microphone n'est pas endommagé.
- Si possible, faites un essai avec un autre microphone.
Entretien
Proper maintenance will extend the life and performance of your PRORECK Delta 128 PA Speaker System.
- Nettoyage: Use a soft, dry cloth to clean the surfaces of the mixer and speakers. Avoid using liquid cleaners or solvents, which can damage components.
- Stockage: When not in use, store the system in a cool, dry place, away from direct sunlight and extreme temperatures.
- Entretien des câbles: Handle cables carefully. Avoid sharp bends or kinks, and store them neatly to prevent damage.
- Ventilation: Ensure the mixer's ventilation openings are clear and unobstructed to prevent overheating.
Consignes de sécurité
Veuillez respecter les consignes de sécurité suivantes afin d'éviter tout risque d'électrocution, d'incendie ou de blessure :
- N'exposez pas le système à la pluie ou à l'humidité.
- Ne pas ouvrir le mélangeur casing ; l’appareil ne contient aucune pièce réparable par l’utilisateur. Toute réparation doit être effectuée par un personnel qualifié.
- Utilisez uniquement le cordon d'alimentation fourni avec l'appareil ou un cordon de remplacement approprié.
- Do not place heavy objects on the power cord or speaker cables.
- Assurez-vous d'une mise à la terre correcte pour toutes les connexions électriques.
- Avoid placing the system near heat sources or in direct sunlight.
Garantie et assistance
Your PRORECK Delta 128 PA Speaker System is covered by a manufacturer's warranty. For specific warranty details, please refer to the documentation included with your purchase or contact PRORECK customer support.
For technical assistance, troubleshooting beyond this manual, or service inquiries, please visit the official PRORECK website ou contactez leur service client.





