Nobsound NS-04G PRO

Nobsound NS-04G PRO 2.0 Channel HiFi Stereo Digital Power Amplifier Колдонмо

1. Киришүү

The Nobsound NS-04G PRO is a compact 2.0 channel HiFi stereo digital power amplifier designed for home audio systems. It features dual TPA3116 IC chips, providing a maximum output of 100W + 100W (at 4Ω load). This amplifier is compatible with various audio sources via standard stereo RCA input and is suitable for driving passive bookshelf, computer, desktop, or floor-standing speakers. Its design focuses on clear sound reproduction with low distortion and dynamic balance.

Nobsound NS-04G PRO amplifier with TPA3116D2 chips highlighted

Image: The Nobsound NS-04G PRO amplifier, highlighting the internal TPA3116D2 chips responsible for its audio processing capabilities.

2. Кутуда эмне бар

Сураныч, кутудан чыгарганда пакеттин мазмунун текшерип, бардык буюмдар бар экенин текшериңиз:

  • 1 x Nobsound NS-04G PRO Ampөмүрлүү
  • 1 x 19V электр булагы
  • 1 x User Manual
Nobsound NS-04G PRO amplifier, power supply, and manual in packaging

Image: Contents of the Nobsound NS-04G PRO package, including the amplifier unit, its power supply, and the user manual.

3. Продукт бүтүп калдыview

The Nobsound NS-04G PRO amplifier features a straightforward design for ease of use. Below is an overview of its front and rear panels:

Front and rear panel diagram of Nobsound NS-04G PRO ampөмүрлүү

Image: Detailed diagram showing the front and rear panels of the Nobsound NS-04G PRO amplifier, indicating input, output, power, and control elements.

Front Panel

  • Күч көрсөткүчү: A small LED light that illuminates when the ampкөтөргүч күйгүзүлгөн.
  • Үн баскычы / Кубат баскычы: This multi-function knob controls the audio output level and also serves as the power on/off switch. Turn clockwise to increase volume and power on, counter-clockwise to decrease volume and power off.

Арткы панель

  • RCA киргизүүсү (сол/оң): Standard stereo RCA jacks for connecting audio sources such as phones, TVs, MP3 players, CD players, DACs, or computers.
  • Динамиктин чыгышы (сол/оң): Binding posts for connecting passive speakers. Ensure correct polarity (+ to + and - to -) for optimal sound.
  • DC 12V-24V Power Input: Jack for connecting the provided 19V power adapter.

4. Орнотуу

Follow these steps to set up your Nobsound NS-04G PRO ampөмүр берүүчү:

  1. Динамиктерди туташтыруу: Connect your passive speakers to the speaker output binding posts on the rear panel. Ensure the positive (+) terminal of the amplifier connects to the positive (+) terminal of the speaker, and the negative (-) terminal connects to the negative (-) terminal.
  2. Аудио булагын туташтыруу: Connect your audio source (e.g., phone, TV, CD player) to the RCA input jacks on the rear panel using an RCA cable. Match the left (L) and right (R) channels.
  3. Туташуу кубаты: Connect the provided 19V power adapter to the DC 12V-24V power input jack on the rear panel, then plug the adapter into a wall outlet.
  4. Күйгүзүү: Turn the volume knob clockwise to power on the amplifier. The power indicator light on the front panel will illuminate.
Nobsound NS-04G PRO amplifier connected to speakers and an audio source

Image: The Nobsound NS-04G PRO amplifier set up with two passive speakers and an audio source, demonstrating a typical connection.

Video: This video demonstrates the connection process for the Nobsound NS-04G PRO amplifier, showing how to connect the power supply, speakers, and audio input cables.

5. Иштөө нускамалары

Бир жолу amplifier is set up, operating it is straightforward:

  • Күйгүзүү/өчүрүү: Rotate the volume knob clockwise to turn on the amplifier. Rotate it counter-clockwise until it clicks to turn off the ampөмүрлүү.
  • Үндү тууралоо: After powering on, rotate the volume knob clockwise to increase the volume and counter-clockwise to decrease it. Start with a low volume and gradually increase it to a comfortable listening level.
  • Аудио ойнотуу: Ensure your audio source is playing content. The amplifier will output the sound through the connected speakers.
Close-up of the Nobsound NS-04G PRO volume knob

Сүрөт: жакын план view of the volume knob on the Nobsound NS-04G PRO, which also functions as the power switch.

Video: This video illustrates the basic operation of the Nobsound NS-04G PRO amplifier, including powering it on and adjusting the volume.

6. Техникалык шарттар

ӨзгөчөлүкСпецификация
Бренд атыDouk Audio (Nobsound)
МоделGFJ034H-DY-NEW (NS-04G PRO)
Чыгуу күчү200 Watts (100W + 100W at 4Ω load)
Каналдардын саны2.0
Minimum Supply Voltage12 вольт (ток)
Maximum Supply Voltage24 вольт (ток)
Тtage (Included PSU)19 вольт (ток)
Supply Current (Included PSU)4.74 Amps
Материалдын түрүАлюминий
Монтаж түрүSurface Mount

7. Кыйынчылыктарды

If you encounter issues with your Nobsound NS-04G PRO amplifier, төмөнкү жалпы көйгөйлөрдү жана чечимдерди карагыла:

  • Үн жок же үнү төмөн:
    • Ensure all cables (power, audio input, speaker wires) are securely connected.
    • Аудио булагы ойноп жатканын жана анын үнү көтөрүлүп жатканын текшериңиз.
    • текшерүү amplifier's volume knob and ensure it is turned up sufficiently.
    • Confirm speaker wires are connected with correct polarity (+ to + and - to -).
  • Sound Only from One Speaker:
    • Check the RCA input cable connections for both left and right channels.
    • Inspect speaker wire connections for the affected channel.
    • Тышкы жабдык көйгөйлөрүн жокко чыгаруу үчүн башка аудио булагы же кабель менен сынап көрүңүз.
  • Distortion or Poor Sound Quality at Higher Volumes:
    • The provided 19V power supply may limit the amplifier's full potential. For optimal performance and higher output without distortion, consider upgrading to a 24V power supply with a higher wattage (e.g., 240W), ensuring it is compatible with the amplifier's DC input specifications.
    • Ensure your speakers are rated to handle the ampкөтөргүчтүн чыгыш кубаттуулугу.
  • High-Pitched Screeching Sound:
    • This can indicate interference or a faulty component. Try isolating the amplifier from other electronic devices.
    • Бардык байланыштар бекем жана шорты жок экенин текшериңиз.
    • Эгер көйгөй чечилбесе, кардарларды колдоо менен байланышыңыз.
  • Pop Sound at Power On/Off:
    • A slight pop sound upon power cycling can be normal for some amplifiers. If it is excessively loud or concerning, ensure the volume is turned down before powering on or off.
  • Volume Knob Too Sensitive:
    • The volume control may be highly reactive. Make small, precise adjustments to achieve the desired volume level.

8. Техникалык тейлөө

To ensure the longevity and optimal performance of your Nobsound NS-04G PRO amplifier, бул тейлөө көрсөтмөлөрүн аткарыңыз:

  • Тазалоо: Сыртын сүртүү үчүн жумшак, кургак чүпүрөктү колдонуңуз amplifier. Avoid using liquid cleaners, aerosols, or solvents, as they may damage the finish or internal components.
  • Жайгашкан жери: кой amplifier in a well-ventilated area to prevent overheating. Avoid direct sunlight, heat sources, and areas with high humidity or dust.
  • Колдонуу: Колдонуу ampКөтөргүчтү этияттык менен колдонуңуз. Аны түшүрүп албаңыз же катуу соккуга кабылтпаңыз.
  • Колдонулбаганда өчүрүү: For extended periods of inactivity, power off the amplifier and unplug it from the wall outlet.

9. Кепилдик жана колдоо

Nobsound products are designed for reliability and performance. For specific warranty details, please refer to the warranty card included with your product or visit the official Douk Audio website. If you encounter any issues not covered in this manual or require further assistance, please contact Nobsound customer support through the retailer where you purchased the product or via the contact information provided on the official Douk Audio webсайт (www.doukaudio.com).

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