1. Introduzione
The KGUSS D70 MA12070 is a compact and powerful Class D digital amplifier designed for audiophiles and general audio enthusiasts. It allows you to connect passive speakers and enjoy high-fidelity music, making it suitable for various settings such as a study, living room, or bedroom. With support for Bluetooth 5.0, it offers convenient wireless audio transmission, freeing you from wired connections.
Image: KGUSS D70 amplifier connected to passive speakers in a home environment.
2. Contenuto della confezione
Si prega di controllare attentamente il pacco per assicurarsi che siano presenti tutti gli articoli:
- 1 x KGUSS D70 Amppiù vivace
- 1 antenna Bluetooth
- 1 x adattatore di alimentazione
- 1 x cavo di alimentazione
- 1 x Quality Card
Image: All items included in the KGUSS D70 package.
3. Prodotto finitoview
3.1 Pannello frontale
Immagine: Frontale view of the KGUSS D70 amppiù vivace.
- Interruttore di alimentazione: Attiva o disattiva il amplificatore ON/OFF.
- Indicatore di alimentazione: Si illumina quando il amplifier è acceso.
- Manopola del volume: Regola il volume di uscita.
3.2 Pannello posteriore
Image: Rear panel connections of the KGUSS D70 amppiù vivace.
- Bluetooth Input (ANT): Port for connecting the Bluetooth antenna, used for receiving Bluetooth audio signals.
- INGRESSO AUX da 3.5 mm: Wired input port for connecting audio sources without Bluetooth (e.g., laptops, computers, decoders).
- Uscita altoparlante (SPEAKER OUT): Two crystal binding posts for connecting passive speakers.
- Power Interface (DC-24V): Input for the power adapter (interface size: 5.5*2.5mm).
4. Impostazione
Follow these steps to set up your KGUSS D70 amplificatore:
- Collegare l'antenna Bluetooth: Screw the provided Bluetooth antenna into the 'ANT' port on the rear panel.
- Collegare gli altoparlanti: Connect your passive speakers to the 'SPEAKER OUT' binding posts on the rear panel. Ensure correct polarity (+ to + and - to -).
Output Terminal Wiring Methods:
- Method 1 (Bare Wire):
- Unscrew the gland counterclockwise.
- Clamp the stripped metal speaker wire into the terminal.
- Tighten the gland clockwise.
- Method 2 (Banana Plug):
- Insert the speaker wire with a banana plug directly into the terminal.
Image: Speaker output terminal wiring instructions.
- Method 1 (Bare Wire):
- Collega la sorgente audio:
- For wired connection: Use a 3.5mm audio cable to connect your audio source (e.g., laptop, smartphone, decoder) to the 'AUX IN' port.
- For wireless connection: Proceed to the Bluetooth Connection section (5.2).
Image: Audio signal flow from source to amplificatore agli altoparlanti.
- Connetti alimentazione: Assicurare il amplifier's power switch is in the 'OFF' position. Connect the power adapter to the 'DC-24V' input on the rear panel, then plug the power cable into a suitable electrical outlet.
5. Istruzioni per l'uso
5.1 Funzionamento di base
- Accensione: Flip the power switch on the front panel to the 'ON' position. The power indicator will light up.
- Regola volume: Ruotare la manopola del volume sul pannello frontale in senso orario per aumentare il volume e in senso antiorario per diminuirlo.
- Spegni: Flip the power switch to the 'OFF' position when not in use.
5.2 Connessione Bluetooth
The KGUSS D70 supports Bluetooth 5.0 for wireless audio streaming.
- Assicurarsi che l'antenna Bluetooth sia collegata saldamente al amppiù vivace.
- Turn on the KGUSS D70 amppiù vivace.
- On your audio source device (e.g., smartphone, tablet), enable Bluetooth and search for available devices.
- Select "D70" (or similar device name) from the list to pair and connect.
- Una volta connesso, puoi trasmettere l'audio in modalità wireless al amppiù vivace.
Immagine: Processo di associazione Bluetooth su un dispositivo mobile.
IL amplifier offers barrier-free transmission up to 10 meters.
Image: Bluetooth range demonstration.
6. Manutenzione
- Pulizia: Utilizzare un panno morbido e asciutto per pulire il amplifier's exterior. Avoid using liquid cleaners or solvents.
- Posizionamento: Posizionare il amplifier on a stable, flat surface. Ensure adequate ventilation to prevent overheating, as the aluminum alloy body is designed for heat dissipation.
- Evitare i liquidi: Mantieni il amplifier away from water and other liquids to prevent damage.
- Spegnimento quando non in uso: Spegni il amplifier and unplug it from the power outlet during lightning storms or when left unattended for long periods.
7. Risoluzione Dei Problemi
- Nessun suono:
- Controllare se il amplifier is powered on and the power indicator is lit.
- Ensure all audio cables (AUX or speaker wires) are securely connected.
- Verify that the volume knob is turned up sufficiently on both the amplifier e il dispositivo sorgente audio.
- Confirm that the correct input source is selected (if applicable, though D70 automatically switches between AUX and Bluetooth).
- Controllare che i collegamenti degli altoparlanti siano correttamente polarizzati e ben fissati.
- Problemi di connessione Bluetooth:
- Assicurarsi che l'antenna Bluetooth sia collegata correttamente.
- Make sure Bluetooth is enabled on your source device and it's within the 10-meter range.
- Prova a disaccoppiare e riassociare il dispositivo.
- Riavviare entrambi amplifier e il dispositivo sorgente.
- Suono distorto:
- Ridurre il volume su entrambi i amplifier e la sorgente audio.
- Check if speaker impedance matches the ampspecifiche del lificatore (4-8Ω).
- Ensure audio cables are not damaged or loose.
8. Specifiche
Immagine: Specifiche tecniche dettagliate.
| Caratteristica | Specificazione |
|---|---|
| Marca | KGUS |
| Modello | D70 |
| Impedenza di uscita | 4-8Ω |
| Potenza di uscita | 2x70W (4Ω) / 2x35W (8Ω) |
| Potenza in ingresso | DC12V-DC19V (Official standard is 19V 4.75A) |
| Chip | MA12070 |
| Ingresso audio | AUX da 3.5 mm, Bluetooth |
| Consumo energetico in standby | 0.5W |
| Versione Bluetooth | 5.0 |
| Distanza Bluetooth | <10 milioni |
| Supporto Bluetooth | SBC/AAC 16Bit 44.1-48kHz |
| THD+N | <0.1% |
| Rapporto segnale/rumore | 105 dB |
| Gamma di risposta in frequenza | 20-20K@1kHz ±0.3dB |
| Power Socket Specifications | 5.5*2.5 mm |
| Peso della singola macchina | 250g |
| Weight with Power Supply | 750g |
| Dimensioni (L*W*H) | 110mm * 73mm * 28mm |
Image: MA12070 chip and key performance indicators.
9. Suggerimenti per l'utente
- For optimal sound quality and to prevent damage, ensure your passive speakers have an impedance rating between 4 and 8 ohms.
- When using Bluetooth, try to keep the amplifier and your source device within direct line of sight for the most stable connection.
- If you experience any hum or noise, try using a different power outlet or ensuring all connections are tight.
10. Garanzia e supporto
This product is covered by a standard manufacturer's warranty. For technical support, warranty claims, or further assistance, please contact the seller or refer to the contact information provided with your purchase. Keep your proof of purchase for warranty purposes.
