Nobsound NS-01G Pro

Nobsound NS-01G Pro Bluetooth 5.0 Power Amplifier User Manual

Model: NS-01G Pro

1. Introduction

Thank you for purchasing the Nobsound NS-01G Pro Bluetooth 5.0 Power Amplifier. This compact yet powerful amplifier is designed to deliver high-fidelity audio for your speakers, offering versatile input options including Bluetooth 5.0, AUX, and USB. This manual provides detailed instructions for setup, operation, maintenance, and troubleshooting to ensure you get the best performance from your device.

2. Product Overview

2.1 Key Features

  • 2-in-1 Design: Functions as both a Bluetooth receiver and a power amplifier.
  • Wireless Connectivity: Seamlessly connect to smartphones and other devices via Bluetooth 5.0.
  • High Output Power: Despite its mini size, it delivers up to 100W output power.
  • Multiple Inputs: Supports AUX, USB, and Bluetooth audio inputs.
  • Tone Controls: Features Bass, Middle, and Treble tone controls for sound customization.

2.2 Package Contents

  • 1 × Nobsound NS-01G Pro Amplifier
  • 1 × DC 19V Power Adapter
  • 1 × USB Cable
  • 1 × RCA Cable
  • 1 × 3.5mm Audio Cable
  • 1 × User Manual
Nobsound NS-01G Pro amplifier with dimensions and package contents
Figure 1: Nobsound NS-01G Pro amplifier with dimensions and included accessories.

2.3 Front Panel Layout

Front panel of Nobsound NS-01G Pro showing volume knob, Bluetooth indicator, power switch, USB sound input, and AUX input
Figure 2: Front panel of the NS-01G Pro, detailing the volume knob, Bluetooth indicator, power switch, USB sound input, and AUX input.

2.4 Rear Panel Layout

Rear panel of Nobsound NS-01G Pro showing speaker terminals and DC power input
Figure 3: Rear panel of the NS-01G Pro, showing the speaker output terminals and DC power input.

3. Setup Instructions

3.1 Speaker Connection

  1. Ensure the amplifier is powered off.
  2. Connect your passive speakers to the speaker output terminals on the rear panel. Pay attention to polarity: connect the red (+) terminal on the amplifier to the red (+) terminal on the speaker, and the black (-) terminal on the amplifier to the black (-) terminal on the speaker.
Rear panel of Nobsound NS-01G Pro showing speaker terminals and DC power input
Figure 4: Connect passive speakers to the rear terminals, observing correct polarity.

3.2 Input Source Connection

The NS-01G Pro supports three input methods: AUX, USB, and Bluetooth.

Nobsound NS-01G Pro showing various input options: Bluetooth, AUX, and USB
Figure 5: The amplifier supports Bluetooth, AUX, and USB inputs.

3.2.1 AUX Input

  • Connect your audio source (e.g., smartphone, CD player, TV) to the AUX input jack on the front panel using a 3.5mm audio cable.

3.2.2 USB Input

  • Connect your computer to the USB sound input port on the front panel using a USB cable. No drivers are typically required for this plug-and-play connection.
Nobsound NS-01G Pro with USB input highlighted, connected to a computer
Figure 6: Connect your computer via the USB input for digital audio playback.

3.2.3 Bluetooth Input

  1. Attach the Bluetooth antenna to the RF connector on the rear panel.
  2. Switch the input selector on the front panel to 'BT' mode.
  3. On your mobile device, enable Bluetooth and search for

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