Introduzione
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.
Cosa è incluso
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 microfoni cablati
- 2 x 16.5ft Speakon cables for mixer to speaker connection
- 1 x Cavo di alimentazione
- 1 x Manuale (questo documento)
- 1 x Remote control (for mixer)
- 1 cavo per microfono

This image illustrates the complete set of items you should find in your package.
Sistema finitoview: 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:
- Equalizzatore a 5 bande (EQ): Provides precise tone control over each frequency range for high-quality sound.
- Wireless Bluetooth Functionality: Allows for wireless audio streaming from compatible devices.
- Ingressi microfono: 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.
- Alimentazione phantom 15V: Essential for professional condenser microphones, enabling their operation.

Istruzioni di installazione
Follow these steps to correctly set up your PRORECK Delta 128 PA Speaker System.
1. Posizionamento degli altoparlanti
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. Collegamento elettrico
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. Accensione iniziale
Once all connections are secure, switch the mixer's power to "ON". The system is now ready for audio input.
Istruzioni per l'uso
1. Collegamento delle sorgenti audio
The mixer supports various audio inputs:
- Microfoni: Connect wired microphones to the XLR or 1/4-inch inputs. If using condenser microphones, activate the 15V phantom power switch.
- Strumenti: 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. Connettività Bluetooth
Per riprodurre l'audio in modalità wireless tramite Bluetooth:
- Accendere il mixer.
- Attiva il Bluetooth sul tuo smartphone, tablet o altro dispositivo compatibile.
- Select "PRORECK DELTA 128" from the list of available devices.
- Once paired, you can stream audio directly to the PA system.
3. Riproduzione MP3 tramite 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. Regolazione del suono
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. Effetti di riverbero
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.
Specifiche
The following table details the technical specifications of the PRORECK Delta 128 PA Speaker System:
| Caratteristica | Dettaglio |
|---|---|
| Marca | PRORECCHIO |
| Numero di modello | DELTA Series PA System |
| Potenza di uscita (picco) | 2400W |
| Canali mixer | 8-Canale |
| Dimensioni dell'altoparlante | 2 altoparlanti passivi da 12 pollici |
| Tecnologia di connettività | Bluetooth |
| Potenza fantasma | 15V |
| Materiale | Metallo, Plastica |
| Tipo di montaggio | Floor Standing (with included stands) |
| Dispositivi compatibili | Drum, Guitar, Keyboard, Laptop, MP3 Player, Microphone, Smartphone, Tablet |

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

Risoluzione dei problemi
If you encounter issues with your PRORECK Delta 128 PA Speaker System, refer to the following common solutions:
Nessuna uscita 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.
- Eseguire una prova con una sorgente audio o un cavo diverso per escludere che si tratti di un'apparecchiatura difettosa.
Suono distorto
- 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.
Problemi di connessione Bluetooth
- Ensure no other devices are currently paired with the mixer.
- Move your Bluetooth device closer to the mixer to improve signal strength.
- Turn off and restart Bluetooth on your device and the mixer.
Il microfono non funziona
- 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.
- Controllare che il cavo del microfono non sia danneggiato.
- Se possibile, prova con un microfono diverso.
Manutenzione
Proper maintenance will extend the life and performance of your PRORECK Delta 128 PA Speaker System.
- Pulizia: Use a soft, dry cloth to clean the surfaces of the mixer and speakers. Avoid using liquid cleaners or solvents, which can damage components.
- Magazzinaggio: When not in use, store the system in a cool, dry place, away from direct sunlight and extreme temperatures.
- Cura dei cavi: Handle cables carefully. Avoid sharp bends or kinks, and store them neatly to prevent damage.
- Ventilazione: Ensure the mixer's ventilation openings are clear and unobstructed to prevent overheating.
Informazioni sulla sicurezza
Please observe the following safety precautions to prevent electric shock, fire, or injury:
- Non esporre il sistema a pioggia o umidità.
- Non aprire il mixer casing; all'interno non sono presenti parti riparabili dall'utente. Per qualsiasi intervento di manutenzione, rivolgersi a personale qualificato.
- Use only the power cord supplied with the unit or a suitable replacement.
- Do not place heavy objects on the power cord or speaker cables.
- Assicurare una corretta messa a terra di tutti i collegamenti elettrici.
- Evitare di posizionare il sistema vicino a fonti di calore o alla luce diretta del sole.
Garanzia e supporto
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 websito o contattare il loro servizio clienti.