1. Киришүү
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. Кутуда эмне бар
- Нобсаунд NS-20G Ampкөтөргүч бирдиги
- Электр камсыздоо
- RCA аудио кабели
- 3.5 мм аудио кабель
- User Manual
3. Продукциянын өзгөчөлүктөрү
- Компакт дизайн: Mini size suitable for home and desktop use.
- Жогорку чыгаруу кубаттуулугу: Delivers 200W (100W x 2) using two TPA3116 chips.
- Hi-Fi үн сапаты: Provides clear audio with minimal noise.
- Bluetooth 5.0 + EDR + DSP: Ensures wireless lossless signal transmission for high-fidelity sound within a 15-meter range.
- Наушник Ampкөтөргүч функциясы: Supports headphones with impedance between 15-32Ω.
- Бир нече киргизүү: Bluetooth and 3.5mm AUX input for wide compatibility with various devices.
- Динамиктин шайкештиги: Suitable for 5-8 inch speakers with 4-8Ω impedance and 20-120W power.
- 2.1 Channel Audio System Support: Simultaneous speaker and headphone output allows connection to an active subwoofer for enhanced bass.
- Integrated Aluminum Case: Туруктуу жана эстетикалыкasing design with crystal speaker jacks and a dynamic volume LED display.

Figure 3.1: Compact Size of the NS-20G Ampөмүрлүү
This image shows the Nobsound NS-20G amplifier being held in a hand, emphasizing its small and portable design.
4. Device Layout and Connections
Familiarize yourself with the input and output ports on your NS-20G ampөмүрлүү.

Figure 4.1: Front and Rear Panel Connections
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. Орнотуу нускамалары
- Динамиктерди туташтыруу: Connect your passive speakers to the speaker output terminals on the rear of the 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.
- 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.
- Туташуу кубаты: 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.
- 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.
- 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.

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. Иштөө нускамалары
- Күйгүзүү/өчүрүү: The unit will automatically power on when connected to power. To manually power on/off, long press the multifunction volume knob for 2 seconds.
- Үндү көзөмөлдөө: Rotate the multifunction volume knob to adjust the volume. The volume level (0-31) will be displayed on the LED screen.
- Киргизүүнү тандоо: The 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.
- Bluetooth жупташууда:
- камсыз кылуу ampкөтөргүч күйгүзүлгөн.
- Аудио түзмөгүңүздө (мисалы, смартфондо, планшетте) Bluetooth'ду иштетиңиз.
- Издөө "Nobsound NS-20G" or a similar device name in your device's Bluetooth settings.
- тандаңыз amplifier to pair. A confirmation sound may indicate successful pairing.
- Ойнотуу/тындыруу: Short press the multifunction volume knob to play or pause audio. The LED screen will flash when music is paused.

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 орнотуулар.
Video 6.1: Nobsound NS-20G Ampкөтөргүч Overview
This video provides a 30-second overview of the Nobsound NS-20G Mini Bluetooth 5.0 Power Ampкөтөргүч, көрсөтүүчүasing its design, inputs, and outputs.
7. Техникалык тейлөө
- Тазалоо: Тазалоо үчүн жумшак, кургак чүпүрөктү колдонуңуз amplifier's exterior. Avoid using liquid cleaners or solvents.
- Вентиляция: камсыз кылуу amplifier has adequate ventilation to prevent overheating. Do not block ventilation openings.
- Сактагыч: Узак мөөнөткө колдонулбаганда, сактаңыз ampтүз күндүн нурунан жана экстремалдык температурадан алыс салкын, кургак жерде liifier.
- Электр энергиясын өчүрүү: Disconnect the power supply from the wall outlet before cleaning or if the unit will be unused for a long time.
8. Кыйынчылыктарды
| Көйгөй | Мүмкүн себеп | Чечим |
|---|---|---|
| Үн чыгышы жок. |
|
|
| Bluetooth байланышы көйгөйлөрү. |
|
|
| Unit gets warm during operation. |
|
|
| Үндүн бурмаланышы же сапаты начар. |
|
|
9. Техникалык шарттар
| Өзгөчөлүк | Деталь |
|---|---|
| Бренд | Douk Audio (Nobsound) |
| Модель номери | DZ045S (NS-20G) |
| Чыгуу күчү | 200 Вт (100 Вт x 2) |
| Каналдардын саны | 2 |
| Bluetooth версиясы | 5.0 + EDR + DSP |
| Киргизүү көлөмүtage (DC) | 9 - 20 Volts (Recommended 19V) |
| Supply Current | 4.74 Amps |
| Наушник импедансы | 15-32Ω |
| Динамик импедансы | 4-8Ω |
| Материал | Алюминий |
| Элемент Салмагы | 1.19 фунт |
| Пакеттин өлчөмдөрү | 6.61 x 5.79 x 2.56 дюйм |
10. Кепилдик жана колдоо
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 webсайт же продукт сатылып алынган сатуучу аркылуу.
Кошумча ресурстарды жана продукт маалыматын алуу үчүн, сиз иш сапары менен болот Amazon'догу Douk аудио дүкөнү.





