Introducció
This manual provides detailed instructions for the Nobsound HiFi 2.1 Channel Bluetooth 5.0 Power Amplifier Board. This amplifier is designed to deliver high-fidelity audio with versatile input options, including Bluetooth 5.0, 3.5mm AUX, and U-disk. It features a 2.1 channel output, providing stereo sound for left and right speakers, and a dedicated channel for a subwoofer. The amplifier utilizes two TPA3116D2 chips for efficient power delivery, offering up to 50W per stereo channel and 100W for the subwoofer. Its compact design and wide voltage compatibility (DC 12-24V) make it suitable for various applications, from home audio setups to portable outdoor use.
Please read this manual thoroughly before operating the device to ensure proper usage and optimal performance.
Informació de seguretat
- Assegureu-vos que la font d'alimentació voltage is within the specified range (DC 12-24V) to prevent damage.
- No exposeu el dispositiu a la humitat, la pluja ni a temperatures extremes.
- Avoid disassembling or modifying the amplifier board, as this may void the warranty and pose electrical hazards.
- Mantingueu el dispositiu allunyat de camps magnètics forts.
- Always disconnect the power before making any connections or adjustments.
Contingut del paquet
Verifiqueu que tots els elements siguin presents al paquet:
- 1x Nobsound 2.1 Channel Bluetooth Power AmpJunta més viva
- 2x Top and Bottom Plates (for case assembly)
- 2 Sets of Screws (for assembly)
- 1 Set of Machine Feet
Producte acabatview
Controls del panell frontal
- Bass Volume Knob: Ajusta el nivell de sortida del canal de subwoofer.
- Bass Frequency Knob: Adjusts the cutoff frequency for the subwoofer channel.
- L/R Channel Volume Knob: Adjusts the output level for the left and right stereo channels.
- Treble Frequency Knob: Adjusts the high-frequency response of the stereo channels.
- Function Knob (Main Volume / Input Selection / Play & Pause):
- Rotate to adjust the overall main volume.
- Press briefly to switch between input modes (Bluetooth, AUX, U-disk).
- Manteniu premut per encendre/apagar.
- In Bluetooth mode, press briefly to Play/Pause.
Connexions del panell posterior
- Entrada d'alimentació de CC: Connect a DC 12-24V power adapter (center positive, 2.1mm jack).
- Speaker Outputs (Right, Left, Bass): Connect passive stereo speakers to the 'L-OUT' (Left) and 'R-OUT' (Right) terminals. Connect a passive subwoofer to the 'BASS' terminals. Ensure correct polarity.
- U-disk Input: Connecteu una unitat flaix USB per reproduir àudio.
- Entrada AUX de 3.5 mm: Connect audio sources via a 3.5mm audio cable.
Configuració
- Assemble the Case (Optional): Si el teu amplifier board came with a case, follow the provided diagram to assemble it using the screws and machine feet.
Figure 5: Case Assembly Diagram. Illustrates the placement of top and bottom screws for securing the amplifier board within its case. - Connectar els altaveus: Connect your passive stereo speakers to the "L-OUT" (Left) and "R-OUT" (Right) terminals. Connect your passive subwoofer to the "BASS" terminals. Ensure correct polarity (+ to + and - to -) for all speaker connections.
- Connecta la font d'àudio:
- Per Bluetooth: No physical connection needed initially.
- Per AUX: Connect your audio device (e.g., phone, tablet, computer) to the 3.5mm AUX input using an audio cable.
- Per disc U: Inseriu una unitat flaix USB que contingui àudio files into the U-disk input.
- Connectar l'alimentació: Connect a DC 12-24V power adapter to the DC Power Input jack. The amplifier will power on automatically or can be powered on by pressing and holding the Function Knob.
Instruccions de funcionament
Encès/Apagat
El amplifier typically powers on automatically when connected to a power source. To manually power on or off, press and hold the Function Knob for a few seconds.
Selecció d'entrada
Briefly press the Function Knob to cycle through the available input modes: Bluetooth, AUX, and U-disk. An indicator light will typically show the active input.
Connexió Bluetooth
- Canvia el amplifier to Bluetooth mode using the Function Knob.
- On your audio device (phone, tablet, etc.), enable Bluetooth and search for available devices.
- Select "Nobsound Amplifier" (or similar name) from the list to pair.
- Un cop emparellat, podeu reproduir àudio des del vostre dispositiu mitjançant el ampmés viu.
Audio Playback (AUX/U-disk)
- For AUX input, ensure your device is connected via the 3.5mm cable and the amplifier is in AUX mode.
- For U-disk playback, insert a USB flash drive with compatible audio files (MP3, WAV, APE, FLAC, WMA). The amplifier should automatically detect and play files in U-disk mode.
Ajust del so
Use the dedicated knobs on the front panel to adjust Bass Volume, Bass Frequency, Left/Right Channel Volume, and Treble Frequency to achieve your desired sound profile.
Manteniment
- Netegeu el dispositiu amb un drap suau i sec. No utilitzeu netejadors líquids ni aerosols.
- Assegureu-vos una ventilació adequada al voltant amplificador per evitar el sobreescalfament.
- Guardeu el dispositiu en un lloc fresc i sec quan no el feu servir durant períodes prolongats.
Resolució de problemes
| Problema | Causa possible | Solució |
|---|---|---|
| Sense sortida de so. |
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| La connexió Bluetooth és inestable o no s'ha emparellat. |
|
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| So distorsionat. |
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Especificacions
| Característica | Detall |
|---|---|
| Marca | Nobsound |
| Número de model | GFB1388 |
| Nombre de canals | 2.1 (2 stereo, 1 subwoofer) |
| Potència de sortida | 50W x 2 (L/R), 100W (Subwoofer) |
| Versió Bluetooth | 5.0 |
| Entrades d'àudio | Bluetooth, 3.5mm AUX, U-disk |
| Subministrament Voltage | DC 12-24V |
| AmpXip lificador | 2x TPA3116D2 |
| Pes de l'article | 12 unces (aprox. 340 g) |
| Dimensions del paquet | 6.1 x 6 x 2.2 polzades |
Vídeo oficial del producte
Aquest vídeo ofereix una visió generalview of the Nobsound HiFi 2.1 Channel Bluetooth Ampvidador, espectacleasing its design and features. It demonstrates the physical appearance and various angles of the amptauler més viu.
Garantia i Suport
Nobsound products are designed for reliability and performance. For warranty information, technical support, or service inquiries, please refer to the official Nobsound weblloc web o poseu-vos en contacte amb el vostre distribuïdor. Conserveu el rebut de compra com a comprovant de compra per a reclamacions de garantia.
Per a més ajuda, podeu visitar el Botiga Nobsound a Amazon.





