Douk Audio DZ045S

Nobsound NS-20G Mini Bluetooth 5.0 Power AmpManuale utente lifier

Model: NS-20G (DZ045S)

1. Introduzione

This manual provides detailed instructions for the setup, operation, and maintenance of your Nobsound NS-20G Mini Bluetooth 5.0 Power Amplifier. The NS-20G is a compact 2.0 channel stereo amplifier featuring Bluetooth 5.0 connectivity, a headphone output, and Digital Signal Processing (DSP) for enhanced audio quality. It is designed for home and desktop audio systems, delivering up to 200W (100W x 2) of output power.

2. Cosa c'è nella scatola

3. Caratteristiche del prodotto

Nobsound NS-20G amplifier held in a hand, illustrating its compact size.

Figure 3.1: Compact Size of the NS-20G Amppiù vivace

This image shows the Nobsound NS-20G amplifier being held in a hand, emphasizing its small and portable design.

4. Disposizione e connessioni del dispositivo

Familiarize yourself with the input and output ports on your NS-20G amppiù vivace.

Davanti e dietro view del Nobsound NS-20G amplifier with labels for AUX input, headphone output, volume LED display, right and left channel speaker outputs, and power input.

Figura 4.1: Collegamenti del pannello anteriore e posteriore

This image displays the front and rear panels of the Nobsound NS-20G amplifier. The front panel shows the volume LED display, 3.5mm AUX input, and 3.5mm headphone output. The rear panel illustrates the DC12V-20VIN power input and the right and left channel speaker outputs.

5. Istruzioni per l'installazione

  1. Collegare gli altoparlanti: Collega gli altoparlanti passivi ai terminali di uscita degli altoparlanti sul retro del amplifier. Ensure correct polarity (red to red, black to black) for both left and right channels. The amplifier supports 5-8 inch speakers with 4-8Ω impedance and 20-120W power.
  2. Connect Audio Source (AUX): For wired audio, connect your audio device (e.g., TV, CD player, PC) to the 3.5mm AUX input on the front panel using the provided 3.5mm audio cable or an RCA to 3.5mm cable.
  3. Connetti alimentazione: Connect the provided power supply to the DC12V-20VIN port on the rear panel, then plug the power adapter into a wall outlet. The unit will auto-power on upon initial connection.
  4. Optional Headphone Connection: If using headphones, connect them to the 3.5mm PHONE output on the front panel. Note that only 15-32Ω headphones are supported.
  5. Optional Subwoofer Connection: To create a 2.1 channel system, connect the headphone output to an active subwoofer while passive speakers are connected to the speaker jacks.
Nobsound NS-20G amplifier connected to a smartphone via Bluetooth, with speakers connected to a TV in the background.

Figure 5.1: Bluetooth Connectivity Example

This image shows the Nobsound NS-20G amplifier wirelessly connected to a smartphone via Bluetooth, demonstrating its compatibility with various devices for audio playback.

6. Istruzioni per l'uso

  1. Accensione/spegnimento: The unit will automatically power on when connected to power. To manually power on/off, long press the multifunction volume knob for 2 seconds.
  2. Controllo del volume: Rotate the multifunction volume knob to adjust the volume. The volume level (0-31) will be displayed on the LED screen.
  3. Selezione input: IL amplifier automatically detects the input source. When both AUX and Bluetooth are connected, the last active source will play. To switch between inputs, ensure the other source is paused or disconnected.
  4. Accoppiamento Bluetooth:
    • Assicurare il amplifier è acceso.
    • Attiva il Bluetooth sul tuo dispositivo audio (ad esempio, smartphone, tablet).
    • Cercare "Nobsound NS-20G" or a similar device name in your device's Bluetooth settings.
    • Selezionare il amplifier to pair. A confirmation sound may indicate successful pairing.
  5. Riproduci/Pausa: Short press the multifunction volume knob to play or pause audio. The LED screen will flash when music is paused.
Close-up of the Nobsound NS-20G amplifier's front panel, showing the volume knob, LED display, AUX input, and headphone output.

Figure 6.1: Multifunction Volume Knob and Display

This image highlights the multifunction volume knob and the LED display on the Nobsound NS-20G amplifier, illustrating how to control volume and view impostazioni.

Video 6.1: Nobsound NS-20G Amplificatore Oltreview

This video provides a 30-second overview of the Nobsound NS-20G Mini Bluetooth 5.0 Power Amplificatore, showcasing its design, inputs, and outputs.

7. Manutenzione

8. Risoluzione Dei Problemi

ProblemaPossibile causaSoluzione
Nessuna uscita audio.
  • Power not connected or unit not powered on.
  • Selezionato ingresso errato.
  • Speakers not connected properly or faulty.
  • Volume troppo basso.
  • Ensure power supply is connected and unit is powered on (long press knob).
  • Verify the correct audio source is active.
  • Check speaker connections and test speakers with another device.
  • Aumentare il volume utilizzando la manopola.
Problemi di connessione Bluetooth.
  • Dispositivo troppo lontano da amppiù vivace.
  • Interferenze da altri dispositivi.
  • Amplifier non in modalità di associazione.
  • Avvicinare il dispositivo al amplifier (within 15m).
  • Spegni gli altri dispositivi Bluetooth.
  • Ricomincia amplifier and try pairing again.
Unit gets warm during operation.
  • Normal operation, especially at high volumes.
  • Ventilazione insufficiente.
  • Ensure adequate airflow around the unit. Avoid enclosing it in tight spaces.
  • If excessive heat or performance degradation occurs, reduce volume or usage time.
Distorsione del suono o scarsa qualità.
  • Input source quality is low.
  • Disadattamento dell'impedenza degli altoparlanti.
  • I cavi sono allentati o danneggiati.
  • Eseguire il test con una sorgente audio di alta qualità.
  • Ensure speakers meet the recommended 4-8Ω impedance.
  • Check all cable connections and replace any damaged cables.

9. Specifiche

CaratteristicaDettaglio
MarcaDouk Audio (Nobsound)
Numero di modelloDZ045S (NS-20G)
Potenza di uscita200 Watt (100W x 2)
Numero di canali2
Versione Bluetooth5.0 + EDR + DSP
Ingresso volumetage (CC)9 - 20 Volts (Recommended 19V)
Corrente di alimentazione4.74 Amps
Impedenza delle cuffie15-32Ω
Impedenza dell'altoparlante4-8Ω
MaterialeAlluminio
Peso dell'articolo1.19 libbre
Dimensioni del pacco6.61 x 5.79 x 2.56 pollici

10. Garanzia e supporto

For warranty information and technical support, please refer to the documentation included with your purchase or contact Douk Audio directly. You can often find support contact details on the manufacturer's official websito o tramite il rivenditore presso il quale è stato acquistato il prodotto.

Per ulteriori risorse e informazioni sui prodotti, puoi visitare il sito Negozio Douk Audio su Amazon.