---
product_id: 42887750
title: "KNACRO Digital Power Amplifier Board 220W Stereo With USB Sound Card/DAC"
brand: "xiny"
price: "S$67"
currency: SGD
in_stock: true
url: https://www.desertcart.sg/products/42887750-knacro-digital-power-amplifier-board-220w-stereo-with-usb-sound
store_origin: SG
region: Singapore
---

# KNACRO Digital Power Amplifier Board 220W Stereo With USB Sound Card/DAC

**Brand:** xiny
**Price:** S$67
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** KNACRO Digital Power Amplifier Board 220W Stereo With USB Sound Card/DAC by xiny
- **How much does it cost?** S$67 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/42887750-knacro-digital-power-amplifier-board-220w-stereo-with-usb-sound)

## Best For

- xiny enthusiasts

## Why This Product

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

## Description

Supply voltage: DC 5-18V (recommended 16V or 18v 2A power supply). USB audio input: support 44.1KHz CD quality; 48KHz DVD sound quality. Output power: 2 * 20W stereo. Speaker: 4-8 ohms. Signal to noise ratio: 100dB. Audio input and output: support headphone output, MIC input. Board size: 87 * 56 * 22mm (L * W * H). Weight: 46g.  Pay attention: This product only supports Windows 7 and below system.  Special reminder: 1. USB interface for the D-type. 2. Power supply interface DC5.5mm plug power cord.  Package Included: 1*Digital Power Amplifier Board

## Features

- Using CM108 USB decoder output I2S to digital amplifier chip STA333W, the whole process for all digital transmission and amplification, the middle without op amp, no coupling capacitor, the real high fidelity, high signal to noise ratio.
- Support 44.1KHz CD quality and 48KHz DVD sound quality, in the case of 18V DC power supply can output 2 * 20W power, the actual test can drive 10-inch floor sound is no problem. DIY computer multimedia high quality is the best choice.
- Note: This amplifier is a pure digital power amplifier board does not support analog audio signal input, only supports computer USB digital audio input, easy to use, USB connected to the computer, the latest driver can be installed on the CM108 can work, the general computer comes with drive, Plug and play (if not driven, need to download and install).
- Supply voltage: DC DC5-18V (recommended to power 16V or 18V 2A power supply).
- Output power: 2 * 20W stereo. Audio input and output: support headphone output, MIC input.

## Images

![KNACRO Digital Power Amplifier Board 220W Stereo With USB Sound Card/DAC - Image 1](https://images-na.ssl-images-amazon.com/images/I/41sa2G1-MKL.jpg)
![KNACRO Digital Power Amplifier Board 220W Stereo With USB Sound Card/DAC - Image 2](https://images-na.ssl-images-amazon.com/images/I/41uKP6weEiL.jpg)
![KNACRO Digital Power Amplifier Board 220W Stereo With USB Sound Card/DAC - Image 3](https://images-na.ssl-images-amazon.com/images/I/41%2BkDg1zTQL.jpg)
![KNACRO Digital Power Amplifier Board 220W Stereo With USB Sound Card/DAC - Image 4](https://images-na.ssl-images-amazon.com/images/I/41XHazTvQtL.jpg)
![KNACRO Digital Power Amplifier Board 220W Stereo With USB Sound Card/DAC - Image 5](https://images-na.ssl-images-amazon.com/images/I/41KVMUCu0UL.jpg)

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-10-26*