---
product_id: 714194426
title: "350W Class-D Subwoofer Plate Amplifier - High Performance Amp Board Module for Subwoofers"
brand: "waudio"
price: "C$30911"
currency: NIO
in_stock: true
url: https://www.desertcart.ni/products/714194426-350w-class-d-subwoofer-plate-amplifier-high-performance-amp-board
store_origin: NI
region: Nicaragua
---

# 350W RMS power output Auto Power On/Off energy saver Variable Low-Pass Filter 25-180Hz 350W Class-D Subwoofer Plate Amplifier - High Performance Amp Board Module for Subwoofers

**Brand:** waudio
**Price:** C$30911
**Availability:** ✅ In Stock

## Summary

> 🎵 Unleash deep, precise bass with WAudio – where power meets smart design!

## Quick Answers

- **What is this?** 350W Class-D Subwoofer Plate Amplifier - High Performance Amp Board Module for Subwoofers by waudio
- **How much does it cost?** C$30911 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ni](https://www.desertcart.ni/products/714194426-350w-class-d-subwoofer-plate-amplifier-high-performance-amp-board)

## Best For

- waudio enthusiasts

## Why This Product

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

## Key Features

- • **Compact Yet Robust:** Sleek 23.5x20.5x6.5 cm design with built-in protection circuitry for reliable, long-lasting performance.
- • **Smart Energy Saving:** Auto Power On/Off and standby mode (<0.5W) keep your setup eco-friendly and wallet happy.
- • **Flexible Connectivity:** Balanced XLR and unbalanced RCA inputs ensure noise-free, professional-grade audio integration.
- • **Tailored Bass Control:** Adjust phase (0°/180°) and crossover frequency for perfectly blended, room-optimized low end.
- • **Powerful & Efficient Amplification:** 350W RMS delivers booming bass with less than 1% distortion for crystal-clear sound.

## Overview

The WAudio SUA-350 is a compact, high-efficiency Class-D amplifier delivering 350W RMS at 4Ω with minimal distortion. Featuring auto power on/off, phase switching, and a variable low-pass filter, it offers precise bass customization. Its balanced and unbalanced inputs provide versatile connectivity, while robust protection circuitry ensures durability. Designed for global voltage compatibility and energy efficiency, WAudio is the perfect upgrade for audiophiles seeking powerful, clean, and customizable subwoofer amplification.

## Description

WAudio 350W Class-D Subwoofer Plate Amplifier - High Performance Amp Board Module for Subwoofers

## Features

- 【High Efficiency Class-D Amplification】- This amplifier provides 350W RMS power at 4Ω with minimal heat dissipation, ensuring efficient and powerful performance even at high volumes, with less than 1% total harmonic distortion (THD).
- 【Auto Power On/Off】- Energy-saving feature automatically turns the amplifier on when it detects an audio signal and off when not in use, reducing power consumption.
- 【Phase Switch (0°/180°)】- Optimize your subwoofer's performance by adjusting phase settings to match your room’s acoustics and speaker placement, ensuring that the bass integrates perfectly with the rest of your sound system.
- 【Variable Low-Pass Filter】- Customize the crossover frequency between 25Hz and 180Hz, allowing you to precisely control how the subwoofer interacts with your main speakers, ensuring smooth, well-blended bass output.
- 【Balanced & Unbalanced Inputs】- Features high-quality RCA (unbalanced) and XLR (balanced) inputs for flexible connectivity with a wide range of audio equipment, ensuring noise-free audio transmission.
- 【Robust Protection Circuitry】- Built-in protection against short circuits, over-temperature, and overload ensures long-term reliability and safety for your amplifier and connected subwoofer.
- 【Compact Design】- Measuring just 205mm x 235mm x 65mm, this compact yet powerful plate amplifier fits discreetly into subwoofer enclosures without sacrificing power or functionality.
- 【Bass Boost Feature】- For extra punch, the amp includes a built-in bass boost at 45Hz (+6dB), giving you more depth in your low-end frequencies, perfect for cinema-quality sound or intense music playback.
- 【Universal Voltage Compatibility】- Designed for global use, the amp supports both 110V and 240V input voltage, making it ideal for international setups.
- 【Standby Mode】- Energy-efficient standby mode consumes less than 0.5W of power, making it environmentally friendly without sacrificing convenience.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Manufacturer | CVI |
| Part number | SUA-350 |
| Item Weight | 1.1 kg |
| Product Dimensions | 23.5 x 20.5 x 6.5 cm; 1.1 kg |
| Item model number | SUA-350 |
| Voltage | 230 Volts |
| Wattage | 350 |
| Item Package Quantity | 1 |
| Plug profile | Surface Mount |
| Specification met | CE |
| Batteries included? | No |
| Batteries Required? | No |

## Product Details

- **Item dimensions L x W x H:** 23.5 x 20.5 x 6.5 centimetres
- **Voltage:** 230 Volts
- **Manufacturer:** CVI
- **Maximum supply voltage:** 240 Volts
- **Minimum supply voltage:** 110 Volts

## Images

![350W Class-D Subwoofer Plate Amplifier - High Performance Amp Board Module for Subwoofers - Image 1](https://m.media-amazon.com/images/I/718ik-0gCOL.jpg)

## Available Options

This product comes in different **Model** options.

## Frequently Bought Together

- WAudio 350W Class-D Subwoofer Plate Amplifier - High Performance Amp Board Module for Subwoofers
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**Shop now:** [https://www.desertcart.ni/products/714194426-350w-class-d-subwoofer-plate-amplifier-high-performance-amp-board](https://www.desertcart.ni/products/714194426-350w-class-d-subwoofer-plate-amplifier-high-performance-amp-board)

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*Product available on Desertcart Nicaragua*
*Store origin: NI*
*Last updated: 2026-01-29*