---
product_id: 548881674
title: "Topping PA5 II Speaker Amplifier Compact Desktop Amplifier Fully Balanced AMP (PA5 II, Black)"
brand: "fanmusic"
price: "HK$45"
currency: HKD
in_stock: false
reviews_count: 13
url: https://www.desertcart.hk/products/548881674-topping-pa5-ii-speaker-amplifier-compact-desktop-amplifier-fully-balanced
store_origin: HK
region: Hong Kong
---

# THD+N <0.0003% ultra-low distortion Zero audible hiss & noise floor 140W x 2 peak power Topping PA5 II Speaker Amplifier Compact Desktop Amplifier Fully Balanced AMP (PA5 II, Black)

**Brand:** fanmusic
**Price:** HK$45
**Availability:** ❌ Out of Stock

## Summary

> 🎶 Elevate your desktop audio game—hear what others miss!

## Quick Answers

- **What is this?** Topping PA5 II Speaker Amplifier Compact Desktop Amplifier Fully Balanced AMP (PA5 II, Black) by fanmusic
- **How much does it cost?** HK$45 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/548881674-topping-pa5-ii-speaker-amplifier-compact-desktop-amplifier-fully-balanced)

## Best For

- fanmusic enthusiasts

## Why This Product

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

## Key Features

- • **Built to Protect:** Comprehensive circuit safeguards ensure zero noise on power cycles and protect against voltage and thermal risks.
- • **Compact Powerhouse:** Sleek desktop design (16.6 x 12.9 x 4.1 cm) packs professional-grade amplification into a space-saving form.
- • **Pure, Balanced Sound:** Experience crystal-clear audio with fully balanced Class D amplification—no hum, no noise, just pure music.
- • **Power Meets Precision:** Delivers up to 140W per channel with distortion levels rivaling high-end DACs for flawless sound clarity.
- • **Seamless USB Integration:** Pair with the D10 Balanced DAC for high-fidelity USB decoding and balanced output—streamline your setup effortlessly.

## Overview

The Topping PA5 II is a compact, fully balanced Class D desktop amplifier delivering up to 140W per channel with ultra-low distortion (THD+N <0.0003%) and zero audible noise. Engineered for audiophiles and professionals, it features advanced circuit protection, a clean analog volume control, and seamless compatibility with the D10 Balanced DAC for high-fidelity USB input. Its sleek design and exceptional sound quality make it a must-have for anyone serious about pristine desktop audio.

## Description

SPEC: Measured: 16.6cm x 12.9cm x 4.1cm Weight: 680g Power input PA5 II: DC38V/3.0A (2 pin aviation connector) PA5 II PIus: DC38V/4.0A (2 pin aviation connector) Signal inputs: SE(RCA L+R)，BAL(TRS L+ R) Signal output: Speaker terminal (BTL) Power on & off: by manual/trigger signal Volume control: Analog Potentiometer Display: White LED Standby power consumption: <0.5W

Review: Great amplifier / Good Class D option - Using this amp with an Echo Dot so that we can listen to desertcart music on our Klipsch speakers. It works great for this use case. Just leave it on all the time / the Class D amplifier uses very little electricity in idle. Use our voice to adjust volume as necessary. It works great. Haven't had any problem with it yet. :)
Review: It PASSED the "hiss test". A phenomenal, capable amp! - Okay, here's my little test that I do. A test that might be crude, but it serves as a quick INDICATOR of amplifier quality: Okay? Ready? Here's what I do; play a music track with no sound on it, turn the amp up all the way the MAXIMUM volume, while very SENSITIVE speakers are connected, and I put my ear right next to the Tweeter and I try and hear ANY hint of hiss, Buzz or hum. Needless to say this thing passed. ZERO audible hiss at all, and I tend to be very sensitive to these kinds of higher frequencies too. It's incredibly capable, very low noise, very low distortion, several YouTube reviewers have touted it's clean, rich, precise sound without sounding tinny or like a traditional class D in the slightest. In a blind test, I personally would venture that nobody could tell the difference between this amp and one that is 10 times its price. It's incredible. The fact that this quality and kind of performance is available for under $1,000 is incredible. The fact that this thing is under $250 is a miracle. Very, very, very satisfied with this.

## Features

- Fully balanced structure,Pure sound quality The PA5 II and PA5 II Plus adopt a fully balanced structure and an innovative Class D amplifier circuit to achieve high power and low distortion sound output. The excellent tuning technology of engineers ensures clear, clean, deep sound, and no audible noise floor. The fully balanced structure makes PA5 I/PA5 II Plus no more hum, no more noise, no more ground loop.
- THD+N as low as an excellent DAC The distortion of PA5 II and PA5 II Plus is already as good as the DAC. When outputting 5W under a 4 Q load, THD+N<0.0004%; When outputting 5W under an 8 Q load, THD+N <0.0003%. The extremely low distortion level takes your music experience to the next level.
- High output power The PA5 II Plus is capable of delivering up to 140W x 2 for 4-ohm loads at 10% distortion, and 125W X 2 for 4-ohm loads even when the standard is raised to 1% distortion. Similarly, the PA5 I can output 100W x 2 for a 4-ohm load at 1% distortion. High output power and low distortion characteristics make PA5 II series amplifiers sufficient to meet the needs of most speakers and use occasions.
- Comprehensive circuit protection It has no noise when turned on or off, and has complete protection for overvoltage, undervoltage, short circuit, overcurrent, and overheating. Even if there is an unexpected power outage, it will not generate noise, making you worry free to use.
- Special partner- D10 Balanced D10 Balanced can provide high fidelity USB decoding function and TRS balanced output. When used with PA5 II series amplifiers, it is equivalent to adding a high-performance USB input jack to the PA5 II series amplifiers. This combination is both concise and efficient when only USB input and amplifier output are required.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0CC4M8XK4 |
| Best Sellers Rank | #196,072 in Electronics ( See Top 100 in Electronics ) #1,233 in Audio Component Amplifiers |
| Brand Name | Fanmusic |
| Customer Reviews | 4.1 4.1 out of 5 stars (42) |
| Item Dimensions | 1.61 x 5.08 x 1.61 inches |
| Item Weight | 680 Grams |
| Manufacturer | TOPPING PA5 II |
| Maximum Supply Voltage | 38 Volts (DC) |
| Minimum Supply Voltage | 38 Volts (DC) |
| Model | PA5 II |
| Mounting Type | Tabletop |
| Number of Channels | 2 |
| Output Power | 5 Watts |
| Specification Met | FCC |

## Product Details

- **Item dimensions L x W x H:** 1.61 x 5.08 x 1.61 inches
- **Manufacturer:** TOPPING PA5 II
- **Maximum Supply Voltage:** 38 Volts (DC)
- **Minimum Supply Voltage:** 38 Volts (DC)
- **Mounting Type:** Tabletop

## Images

![Topping PA5 II Speaker Amplifier Compact Desktop Amplifier Fully Balanced AMP (PA5 II, Black) - Image 1](https://m.media-amazon.com/images/I/61u5CnD7PTL.jpg)
![Topping PA5 II Speaker Amplifier Compact Desktop Amplifier Fully Balanced AMP (PA5 II, Black) - Image 2](https://m.media-amazon.com/images/I/61L8nRYIo0L.jpg)
![Topping PA5 II Speaker Amplifier Compact Desktop Amplifier Fully Balanced AMP (PA5 II, Black) - Image 3](https://m.media-amazon.com/images/I/61KXRL0Oh4L.jpg)
![Topping PA5 II Speaker Amplifier Compact Desktop Amplifier Fully Balanced AMP (PA5 II, Black) - Image 4](https://m.media-amazon.com/images/I/61WUJgFSOoL.jpg)
![Topping PA5 II Speaker Amplifier Compact Desktop Amplifier Fully Balanced AMP (PA5 II, Black) - Image 5](https://m.media-amazon.com/images/I/614A8UfDsxL.jpg)

## Available Options

This product comes in different **Color, Size** options.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great amplifier / Good Class D option
*by G***0 on March 2, 2026*

Using this amp with an Echo Dot so that we can listen to Amazon music on our Klipsch speakers. It works great for this use case. Just leave it on all the time / the Class D amplifier uses very little electricity in idle. Use our voice to adjust volume as necessary. It works great. Haven't had any problem with it yet. :)

### ⭐⭐⭐⭐⭐ It PASSED the "hiss test". A phenomenal, capable amp!
*by A***R on July 27, 2025*

Okay, here's my little test that I do. A test that might be crude, but it serves as a quick INDICATOR of amplifier quality: Okay? Ready? Here's what I do; play a music track with no sound on it, turn the amp up all the way the MAXIMUM volume, while very SENSITIVE speakers are connected, and I put my ear right next to the Tweeter and I try and hear ANY hint of hiss, Buzz or hum. Needless to say this thing passed. ZERO audible hiss at all, and I tend to be very sensitive to these kinds of higher frequencies too. It's incredibly capable, very low noise, very low distortion, several YouTube reviewers have touted it's clean, rich, precise sound without sounding tinny or like a traditional class D in the slightest. In a blind test, I personally would venture that nobody could tell the difference between this amp and one that is 10 times its price. It's incredible. The fact that this quality and kind of performance is available for under $1,000 is incredible. The fact that this thing is under $250 is a miracle. Very, very, very satisfied with this.

### ⭐⭐⭐⭐ Clean flea power amp
*by D***T on August 1, 2025*

At low volumes, I could not ask for more. Perfectly accurate. However, it has no balls. Don't expect this to replace a 200W old-school Krell. Or even a 50W class A amp. I know, measurements do not lie, and I know it measures well, but to me, it only shines as a mids and highs amp.

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*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-05-31*