1. Toote lõppview
The Nobsound GFJ034 is a compact 2-channel digital amplifier designed for HiFi stereo desktop audio systems. It utilizes the TPA3116D2 chip, offering efficient amplification for various audio setups. This amplifier is suitable for driving passive speakers in a home or office environment, providing clear and powerful sound reproduction.

Joonis 1.1: Esiosa view of the Nobsound GFJ034 amplifier, highlighting its compact size and volume control knob.
Peamised omadused:
- 2-Channel Stereo Output: Provides dedicated left and right channels for stereo sound.
- Digitaalne Amplifikatsioon: Utilizes a Class D amplifier design for high efficiency and low heat generation.
- Standard RCA Audio Input: Compatible with a wide range of audio sources such as phones, MP3 players, CD players, and DACs.
- Kompaktne disain: Small footprint suitable for desktop use.
- Vastupidav konstruktsioon: Features an aluminum alloy chassis for enhanced durability and heat dissipation.

Joonis 1.2: Sisemine view highlighting the TPA3116D2 amplifier chip, capable of delivering up to 50W+50W output.
2. Seadistusjuhised
Follow these steps to correctly set up your Nobsound GFJ034 ampelujõulisem.
2.1 Lahtipakkimine ja ülevaatus
- Eemaldage ettevaatlikult ampelupäästja pakendilt.
- Kontrollige seadet transpordi ajal tekkinud kahjustuste suhtes. Kahjustuste leidmisel võtke viivitamatult ühendust klienditoega.
- Veenduge, et kõik pakkimisnimekirjas loetletud komponendid on olemas.

Joonis 2.1: Packing list and dimensions of the Nobsound GFJ034 amplifier. The package typically includes the amplifier unit and a user manual.
2.2 Heliallikate ühendamine
The amplifier features standard stereo RCA input jacks for connecting your audio source.
- Otsige üles SISEND RCA jacks on the rear panel of the amplifier. The red jack is for the right channel (R), and the white/black jack is for the left channel (L).
- Connect your audio source (e.g., CD player, DAC, smartphone with an RCA adapter) to these input jacks using an RCA cable.

Joonis 2.2: Rear panel connections, showing the standard stereo RCA audio input and speaker output terminals.
2.3 Kõlarite ühendamine
The amplifier uses binding post terminals for speaker connections.
- Otsige üles VÄLJUND speaker terminals on the rear panel. There are two sets of terminals, one for the left speaker (L) and one for the right speaker (R).
- Connect your passive speakers to these terminals. Ensure correct polarity: connect the positive (+) terminal of the ampkõlari positiivse (+) klemmi ja kõlari negatiivse (-) klemmi külge. amplifier to the negative (-) terminal of the speaker.
- Use appropriate gauge speaker wire for optimal performance.

Joonis 2.3: Close-up of the pure copper gold-plated terminals, ensuring reliable connections for audio input and speaker output.
2.4 Toiteühendus
The amplifier requires a DC power supply (not included with some models).
- Otsige üles DC 12V-24V power input jack on the rear panel.
- Connect a compatible DC power adapter (12V-24V, at least 5A recommended for optimal performance, especially with 8-ohm speakers) to this jack.
- Plug the power adapter into a wall outlet. The power indicator LED on the front panel will illuminate.
3. Kasutusjuhised
Operating the Nobsound GFJ034 ampElutaja on otsekohene.
3.1 Sisse-/väljalülitamine
- The amplifier powers on automatically when connected to a power source. The small red LED on the front panel indicates power status.
- To power off, disconnect the DC power adapter from the amplifier or the wall outlet.
3.2 Helitugevuse reguleerimine
- The large knob on the front panel controls the master volume.
- Helitugevuse suurendamiseks keerake nuppu päripäeva ja vähendamiseks vastupäeva.
- It is recommended to start with the volume at a low level before playing audio to avoid sudden loud sounds.
3.3 Heli taasesitus
- Ensure your audio source is playing content.
- Reguleerige helitugevust amplifier to your desired listening level.
4. Hooldus
Nõuetekohane hooldus tagab teie seadme pikaealisuse ja optimaalse jõudluse ampelujõulisem.
- Puhastamine: Kasutage seadme välispinna puhastamiseks pehmet kuiva lappi ampVältige vedelate puhastusvahendite või lahustite kasutamist, kuna need võivad kahjustada viimistlust või sisemisi komponente.
- Ventilatsioon: Tagada ampSeade on ülekuumenemise vältimiseks paigutatud hästiventileeritavasse kohta. Ärge blokeerige ühtegi ventilatsiooniava.
- Hoiustamine: When not in use for extended periods, disconnect the power supply and store the ampHoida jahedas ja kuivas kohas, eemal otsesest päikesevalgusest ja äärmuslikest temperatuuridest.
- Ühendused: Kontrollige regulaarselt kõiki kaabliühendusi, et need oleksid kindlalt paigas ja korrosioonivabad.
5. Veaotsing
If you encounter issues with your Nobsound GFJ034 amplifier, refer to the following troubleshooting guide.
Heliväljund puudub:
- Kontrollige võimsust: Ensure the power adapter is securely connected and plugged into a working outlet. Verify the power indicator LED on the amplifier on valgustatud.
- Kontrolli helitugevust: Confirm the volume knob on the amplifier is turned up. Also, check the volume level on your audio source device.
- Check Audio Input: Ensure the RCA audio cable is securely connected to both the amplifier's INPUT jacks and your audio source. Try a different audio source or cable to rule out a faulty component.
- Kontrollige kõlarite ühendusi: Verify that speaker wires are correctly connected to the amplifier's OUTPUT terminals and the speakers, maintaining correct polarity (+ to + and - to -). Ensure no bare wires are touching each other or the amptõste šassii.
- Kõlari funktsionaalsus: Test your speakers with another audio device if possible to confirm they are working correctly.
Moonutatud heli:
- Helitugevuse tase: Vähendage helitugevust mõlemal amplifier and the audio source. Excessive volume can cause distortion (clipping).
- Toiteallikas: Ensure you are using an adequate power supply (12V-24V, 5A or higher). An underpowered supply can lead to distortion, especially at higher volumes or with demanding speakers.
- Kõlari takistus: Verify your speakers' impedance is compatible with the amplifeerija (tavaliselt 4–8 oomi).
- Heliallika kvaliteet: Testige teistsuguse heliallika või kvaliteetsema heliga files to rule out issues with the input signal.
- Kaabli kvaliteet: Inspect audio cables for damage or poor connections.
Ülekuumenemine:
- Ventilatsioon: Tagada amplifier has sufficient airflow around it. Do not place it in an enclosed space or cover its ventilation points.
- Laadige: Kasutades amplifier at very high volumes for extended periods or with very low impedance speakers can cause it to heat up. Reduce volume or ensure speaker compatibility.
6. Tehnilised andmed
| Funktsioon | Spetsifikatsioon |
|---|---|
| Kaubamärk | Ei kuulu |
| Mudeli number | GFJ034 |
| Kanalite arv | 2 |
| Ampelujõulisem tüüp | Digitaalne Amplifier (Class D, TPA3116D2 chip) |
| Sisend Voltage | DC 12V-24V |
| Väljundvõimsus | Up to 50W + 50W (into 4 Ohm load with 21V supply) |
| Helisisend | Stereo RCA |
| Paigaldustüüp | Lauaplaat |
| Kauba kaal | 11.2 untsi (umbes 317 grammi) |
| Pakendi mõõtmed | 9.1 x 6.1 x 4.7 tolli |
| Sertifitseerimine | CE |
| Esmakordselt saadaval olev kuupäev | 29. aprill 2015 |
7. Garantii ja tugi
Nobsound products are designed for reliability and performance. For specific warranty information, please refer to the documentation included with your purchase or contact the retailer.
Klienditugi:
If you require technical assistance, have questions about your product, or need to report an issue, please contact Nobsound customer support or visit the official Nobsound store online.
- Online pood: Lisateabe saamiseks toote ja tugiressursside saamiseks külastage Nobsound Store on Amazon.





