---
product_id: 725717375
title: "Nobsound NS-03G Subwoofer Amplifier 100W Mini Sub-Power Amplifier (Black)"
brand: "nobsound"
price: "¥14679"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/725717375-nobsound-ns-03g-subwoofer-amplifier-100w-mini-sub-power-amplifier
store_origin: JP
region: Japan
---

# Compact 6.85x3.3x9 cm size 100W high power output Smooth volume control knob Nobsound NS-03G Subwoofer Amplifier 100W Mini Sub-Power Amplifier (Black)

**Brand:** nobsound
**Price:** ¥14679
**Availability:** ✅ In Stock

## Summary

> 🎵 Compact power, colossal bass—own your soundscape!

## Quick Answers

- **What is this?** Nobsound NS-03G Subwoofer Amplifier 100W Mini Sub-Power Amplifier (Black) by nobsound
- **How much does it cost?** ¥14679 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/725717375-nobsound-ns-03g-subwoofer-amplifier-100w-mini-sub-power-amplifier)

## Best For

- nobsound enthusiasts

## Why This Product

- Trusted nobsound brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Sleek & Space-Savvy:** Super mini size and solid shell fit effortlessly on your desktop or subwoofer setup without clutter.
- • **Seamless Connectivity:** 3.5mm AUX input ensures easy plug-and-play with phones, TVs, and more—no adapters needed.
- • **Power-Packed Performance:** 100W TPA3116D2 chip delivers deep, room-filling bass that commands attention.
- • **Precision Volume Control:** Smooth knob lets you dial in the perfect bass level for every vibe and occasion.
- • **Customizable Power Options:** Supports 12-24V power supply (not included) so you can tailor your setup with premium power sources.

## Overview

The Nobsound NS-03G is a compact 100W subwoofer amplifier featuring the efficient TPA3116D2 chip, designed exclusively for passive subwoofers. Its sleek, mini form factor and smooth volume knob make it ideal for desktop or subwoofer integration. With a versatile 3.5mm AUX input, it easily connects to various audio devices. Power supply is sold separately, allowing customization within 12-24V and 4A+ requirements.

## Description

Nobsound NS-03G Subwoofer Amplifier 100W Mini Sub-Power Amplifier (Black)

## Features

- The NS-03G is a subpower amplifier for passive subwoofers. Please note that it is not compatible with active/powered subwoofer and normal speakers
- Adopts TPA3116D2 chip, providing 100W high power. Smooth volume control knob
- Super mini size and solid shell Easy to install on desktop or subwoofer
- 3.5mm AUX Input It is very easy to connect a variety of audio sources such as phones, CD players, TVs, and more
- Power supply not included. You can choose our high quality 19V power supply (ASIN:B074J81XRB) or you can buy the power you want. Please choose a good power supply. Recommend 12-24V, at least 4A

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Compatible Devices | Personal Computer, Television |
| Color Name | black |
| Batteries Included | No |
| Batteries Required | No |
| Brand | Nobsound |
| Manufacturer | Nobsound |
| Item Model Number | 4330353845 |
| Special Features | Amplifier |
| Connectivity Technology | Auxillary |
| Size | Subwoofer |
| Mounting Type | 卓上。 |
| Product Dimensions | 6.85 x 3.3 x 9 cm; 200 g |
| Item Weight | 0.2 Kilograms |

## Product Details

- **Item dimensions L x W x H:** 6.8 x 3.3 x 9 cm
- **Voltage:** 25 Volts (DC)
- **Manufacturer:** Nobsound
- **Mounting Type:** 卓上。
- **Brand:** Nobsound

## Images

![Nobsound NS-03G Subwoofer Amplifier 100W Mini Sub-Power Amplifier (Black) - Image 1](https://m.media-amazon.com/images/I/71gJEu1KMJL.jpg)
![Nobsound NS-03G Subwoofer Amplifier 100W Mini Sub-Power Amplifier (Black) - Image 2](https://m.media-amazon.com/images/I/8169-Tbt1-L.jpg)
![Nobsound NS-03G Subwoofer Amplifier 100W Mini Sub-Power Amplifier (Black) - Image 3](https://m.media-amazon.com/images/I/71TkBIftDlL.jpg)
![Nobsound NS-03G Subwoofer Amplifier 100W Mini Sub-Power Amplifier (Black) - Image 4](https://m.media-amazon.com/images/I/71kNwylhEeL.jpg)
![Nobsound NS-03G Subwoofer Amplifier 100W Mini Sub-Power Amplifier (Black) - Image 5](https://m.media-amazon.com/images/I/71IBZqAZN6L.jpg)

## Questions & Answers

**Q: Is it possible to buy replacement boards from the manufacturer? I dont need the housing.**
A: Hello. We have boards for sale, 
sub version: https://www.amazon.com/dp/B07H337F4L?ref=myi_title_dp
full frequency version:  https://www.amazon.com/dp/B07H339BFP?ref=myi_title_dp

**Q: What is the input jack?  RCA?  3.5?**
A: 3.5.   I run rca into a 3.5 from my radio

**Q: Power on/off creates a loud annoying pop. I would like to shut the output with a capacitor to suppress the pop. What capacitor value and voltage?**
A: I was very concerned with the very loud pop and found the only solution was to use:
https://www.amazon.com/gp/product/B097T2YNB4/ref=ppx_yo_dt_b_asin_title_o01_s00?ie=UTF8&th=1
I use this as the speaker cable and before shutting off the amplifier, I flip the switch on the speaker cable, disconnecting the speaker from the amp. It works perfectly.

**Q: will this work with an input from a preamp?**
A: Not sure. I used input from a receiver and that worked.

## Frequently Bought Together

- Nobsound 100W Subwoofer Digital Power Amplifier Audio Mini Amp (Black)
- Nobsound DC 19V 4.74A 90W Power Supply Power Adapter Charger Universal 100-240V 50/60Hz AC Input for Amplifier Laptop DAC
- RCA to 3.5mm Mono, 6ft 3.5mm 1/8 inch Mono Male Plug to RCA Male Audio Cable Adapter, for Speakers, Subwoofer

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**Shop now:** [https://www.desertcart.jp/products/725717375-nobsound-ns-03g-subwoofer-amplifier-100w-mini-sub-power-amplifier](https://www.desertcart.jp/products/725717375-nobsound-ns-03g-subwoofer-amplifier-100w-mini-sub-power-amplifier)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-02*