1. Introduktion
This manual provides essential information for the proper setup, operation, and maintenance of your Nobsound NS-03G 100W Full Frequency Mono Channel Digital Power AmpLæs venligst denne manual grundigt, inden du bruger produktet, for at sikre optimal ydeevne og sikkerhed.

Figur 1.1: Front view of the Nobsound NS-03G ampløfter, showcasing its compact design and volume knob.
2. Produktet er slutview
Nøglefunktioner
- Designed as a mono channel power amplifier specifically for a single passive speaker. It is not compatible with active or powered speakers.
- Incorporates the TPA3116D2 chip, capable of delivering up to 100W of power. Features a smooth volume control knob for precise audio adjustment.
- Compact size and robust aluminum casing allow for easy placement on desktops or near speakers.
- Equipped with a 3.5mm AUX input for connecting various audio sources such as smartphones, CD players, and televisions.
- Requires an external power supply (not included). A 12V to 24V DC power supply with at least 4A is recommended for optimal performance.

Figur 2.1: Illustration highlighting the TPA3116D2 chip, central to the amplifier's 100W output capability.

Figur 2.2: De amplifier's internal circuit, featuring the NE5532 op amp for sound processing.

Figur 2.3: Demonstrates the compact and aesthetically pleasing design of the NS-03G amplivligere.
Hvad er der i æsken
- 1 x Nobsound NS-03G Mono Channel Amplivligere
Bemærk: En strømadapter er ikke inkluderet og skal købes separat.

Figur 2.4: Packaging contents and physical dimensions of the amplivligere.
3. Sikkerhedsoplysninger
- Sørg for, at strømforsyningen voltage matcher amplifier's requirements (DC 8-25V). Using an incorrect voltage kan beskadige enheden.
- Udsæt ikke ampudsat for vand, fugt eller ekstreme temperaturer.
- Undgå at placere ampOpbevar apparatet i direkte sollys eller i nærheden af varmekilder.
- Åbn ikke ampliber casing. Overlad al service til kvalificeret personale.
- Opbevares utilgængeligt for børn.
- Sørg for korrekt ventilation omkring enheden for at forhindre overophedning.
4. Opsætning
Følg disse trin for at konfigurere din Nobsound NS-03G amplivligere:
- Tilslut højttaleren: Use banana plugs to connect your passive speaker to the amplifier's output terminals. Ensure correct polarity (+ to + and - to -). This amplifier is designed for a single mono passive speaker.
- Tilslut lydkilden: Plug your audio source (e.g., smartphone, CD player, TV) into the 3.5mm AUX input on the rear of the amplydforstærker ved hjælp af et 3.5 mm lydkabel.
- Tilslut strømforsyningen: Connect a compatible DC power supply (8-25V, at least 3A; 12-24V, at least 4A recommended) to the DC IN port on the rear of the amplifier. The power supply is not included.

Figur 4.1: Rear panel connections, including 3.5mm AUX input and speaker output terminals.

Figur 4.2: Diagram illustrating the connection process for audio input, power, and speaker output.
5. Betjeningsvejledning
Once all connections are made, operate the amplader som følger:
- Tænd/sluk og lydstyrkekontrol: The large knob on the front panel serves as both the power switch and volume control. Rotate it clockwise to turn on the amplifier and increase the volume. Rotate counter-clockwise to decrease volume and turn off the amplivligere.
- Strømindikator: A red LED light on the front panel indicates that the ampkøleren er tændt.
- Justering af lydstyrke: Start with the volume knob at its minimum position before playing audio. Gradually increase the volume to a comfortable listening level.

Figur 5.1: Front panel controls, including the power indicator and combined power/volume knob.
6. Specifikationer
| Parameter | Værdi |
|---|---|
| Lydindgang | 3.5 mm AUX |
| Lydudgang | Bananstik |
| Strømforsyning | DC 8-25V; at least 3A (Recommended: 12-24V, at least 4A) |
| Maksimal effekt | 100W @ 4 ohm |
| Chipsæt | TPA3116D2 + NE5532 |
| Signal-støj-forhold (SNR) | ≥98dB |
| Total harmonisk forvrængning (THD) | ≤0.04 % |
| Afsluttende impedans | 2~8 ohm |
| Frekvensområde | 20~200Hz |
| Indgangsfølsomhed | ≤280 mV |
| Dimensioner (L*B*H) | 68.5 * 33 * 90 mm (not including terminals) |
| Vægt (uden pakke) | 0.2 kg (0.44 lbs) |
| Materiale | Aluminium |
| Varemodelnummer | 5228680963 |
7. Fejlfinding
Hvis du støder på problemer med din ampLifier, se følgende almindelige problemer og løsninger:
- Ingen lyd:
- Ensure the power supply is correctly connected and the power indicator light is on.
- Kontroller, at lydstyrkeknappen er skruet op.
- Check all audio input and speaker output connections for secure fit and correct polarity.
- Confirm that your audio source is playing and its volume is adequately set.
- Ensure you are using a passive speaker, as this amplifier is not compatible with active/powered speakers.
- Forvrænget lyd:
- Skru ned for lydstyrken på begge amplifier and your audio source. Distortion can occur if the input signal or output volume is too high.
- Check speaker impedance. Ensure it is within the recommended 2-8 ohm range.
- Verify the power supply meets the recommended specifications (12-24V, at least 4A). An insufficient power supply can lead to distortion at higher volumes.
- Hissing or Background Noise:
- Ensure all cables are properly shielded and securely connected.
- Try using a different audio source or cable to rule out external interference.
- Ensure the power supply is of good quality, as some power supplies can introduce noise.
- AmpOverophedning af kølemiddel:
- Sørg for amplifier has adequate ventilation and is not covered.
- Reduce the volume or operating time if the unit becomes excessively hot.
8. Vedligeholdelse
For at sikre din Nobsound NS-03Gs lange levetid og optimale ydeevne ampLifier, følg disse vedligeholdelsesretningslinjer:
- Rensning: Brug en blød, tør klud til at rengøre ydersiden af amplifier. Do not use liquid cleaners, aerosols, or solvents.
- Opbevaring: Når den ikke er i brug i længere perioder, skal den opbevares amplifier in a cool, dry place away from direct sunlight and moisture.
- Ventilation: Always ensure that the ventilation openings are clear and unobstructed during operation.
9. Garanti og support
For warranty information and customer support, please refer to the documentation provided at the time of purchase or visit the official Nobsound webwebsted. Specifikke garantivilkår kan variere afhængigt af region og forhandler.
For additional products and support, you may visit the Nobsound-butik på Amazon.





