---
product_id: 175023905
title: "NJW0281/NJW0302 2SA1930/2SC5171 450W+450W Stereo amplifier Finished board"
brand: "jolooyo"
price: "28380 kr"
currency: ISK
in_stock: true
url: https://www.desertcart.is/products/175023905-njw0281-njw0302-2sa1930-2sc5171-450w-450w-stereo-amplifier-finished-board
store_origin: IS
region: Iceland
---

# 450W Power Output Compact 259x73MM Size DC 45V-85V Supply NJW0281/NJW0302 2SA1930/2SC5171 450W+450W Stereo amplifier Finished board

**Brand:** jolooyo
**Price:** 28380 kr
**Availability:** ✅ In Stock

## Summary

> 🎶 Amplify Your Sound, Elevate Your Experience!

## Quick Answers

- **What is this?** NJW0281/NJW0302 2SA1930/2SC5171 450W+450W Stereo amplifier Finished board by jolooyo
- **How much does it cost?** 28380 kr with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.is](https://www.desertcart.is/products/175023905-njw0281-njw0302-2sa1930-2sc5171-450w-450w-stereo-amplifier-finished-board)

## Best For

- jolooyo enthusiasts

## Why This Product

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

## Key Features

- • **Compact Design:** Space-saving dimensions of 259x73MM make it ideal for both home and professional use.
- • **Unleash the Power:** Experience a staggering 450W output per channel, perfect for any audio setup.
- • **Professional Grade:** Designed for audiophiles and professionals alike, this amplifier is a must-have for serious sound enthusiasts.
- • **High-Performance PCB:** Engineered for optimal sound quality and reliability, elevating your audio experience.
- • **Versatile Voltage Range:** Compatible with a wide DC input of 45V to 85V, ensuring flexibility for various applications.

## Overview

The NJW0281/NJW0302 2SA1930/2SC5171 is a high-performance 450W+450W stereo amplifier finished board, designed to deliver exceptional audio quality with a versatile DC power supply range of 45V to 85V. Its compact PCB size of 259x73MM makes it suitable for various applications, catering to both home and professional audio setups.

## Description

Description: Original NJW0281/NJW0302 and 2SA1930/2SC5171 are used. The resistor uses a five-ring metal resistor, and the main loop uses a five-ring metal film resistor with an accuracy of ±1% to ensure a good signal-to-noise ratio. The PCB adopts 1.6mm thick double-sided plate, 2.0oz thick copper, and spray tin process to ensure good current performance. First-class PCB quality. The layout of the entire circuit board layout is quite rigorous and reasonable. The overall PCB trace uses a point grounding method. The power amplifier board is stable and reliable, and has a large output power; the sound is mellow and the sound field is open. Strong sense of three-dimensional, low-frequency solid and powerful, signal-to-noise ratio is very good, a wide dynamic range; clear details, excellent transient response, playing all kinds of music are comfortable, in the family's playback environment has a very good performance. Power supply: DC+-(45V-85V) Power: 2X450W(+-85V 4Ohms) Board size: 259*73MM Package: 1 pc NJW0281/NJW0302 2SA1930/2SC5171 450W+450W Stereo amplifier Finished board

## Features

- Power supply: DC - (45V-85V)
- Power: 2X450W (+-85V 4 Ohms)
- PCB size: 259 * 73MM

## Images

![NJW0281/NJW0302 2SA1930/2SC5171 450W+450W Stereo amplifier Finished board - Image 1](https://m.media-amazon.com/images/I/5147UlOQ64L.jpg)
![NJW0281/NJW0302 2SA1930/2SC5171 450W+450W Stereo amplifier Finished board - Image 2](https://m.media-amazon.com/images/I/51rvjYD61WL.jpg)
![NJW0281/NJW0302 2SA1930/2SC5171 450W+450W Stereo amplifier Finished board - Image 3](https://m.media-amazon.com/images/I/511efUaGdFL.jpg)
![NJW0281/NJW0302 2SA1930/2SC5171 450W+450W Stereo amplifier Finished board - Image 4](https://m.media-amazon.com/images/I/51jJkk8pAPL.jpg)

## Frequently Bought Together

- NJW0281/NJW0302 2SA1930/2SC5171 450W+450W Stereo amplifier Finished board
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**Shop now:** [https://www.desertcart.is/products/175023905-njw0281-njw0302-2sa1930-2sc5171-450w-450w-stereo-amplifier-finished-board](https://www.desertcart.is/products/175023905-njw0281-njw0302-2sa1930-2sc5171-450w-450w-stereo-amplifier-finished-board)

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*Product available on Desertcart Iceland*
*Store origin: IS*
*Last updated: 2026-01-25*