---
product_id: 102762584
title: "A3 Integrated Amplifier with Headphone AMP Tube 6N3 HiFi Audio Used"
brand: "qinpu"
price: "1069361₫"
currency: VND
in_stock: false
url: https://www.desertcart.vn/products/102762584-a3-integrated-amplifier-with-headphone-amp-tube-6n3-hifi-audio
store_origin: VN
region: Vietnam
---

# 20Hz-40kHz L260mm x W140mm x H110mm 110-120V A3 Integrated Amplifier with Headphone AMP Tube 6N3 HiFi Audio Used

**Brand:** qinpu
**Price:** 1069361₫
**Availability:** ❌ Out of Stock

## Summary

> 🎧 Elevate Your Listening Experience!

## Quick Answers

- **What is this?** A3 Integrated Amplifier with Headphone AMP Tube 6N3 HiFi Audio Used by qinpu
- **How much does it cost?** 1069361₫ with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/102762584-a3-integrated-amplifier-with-headphone-amp-tube-6n3-hifi-audio)

## Best For

- qinpu enthusiasts

## Why This Product

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

## Key Features

- • **Compact Design:** Perfectly sized to fit any modern workspace or home setup.
- • **Dual Functionality:** Seamlessly switch between amplifier and headphone amp modes.
- • **Unleash Your Sound:** Experience rich audio with the 6N3 vacuum tube technology.
- • **Wide Frequency Range:** Enjoy crystal-clear sound across a broad spectrum of frequencies.
- • **Versatile Power Supply:** Compatible with multiple voltage standards for global use.

## Overview

The QINPU A3 Integrated Amplifier is a versatile audio solution that doubles as a headphone amplifier, featuring advanced 6N3 vacuum tube technology for superior sound quality. With a frequency response of 20Hz-40kHz and a compact design, it fits perfectly in any environment while supporting various power supply options for global compatibility.

## Description

Warm reminder: You should take about 30-100h time to operate the amp.RUN-IN to the amp gives it's best and stable sound.So during the first 100h use time the sound maybe is not the best,you can also use your own run-in method.   Specification:   Output Power: 2 x 8.5 W ( 8Ω RMS) Frequency Response: 20Hz-40kHz THD: ≤1.5% (1kHz) S/N Ratio: ≥71dB(A Weighted) Crosstalk Attenuation: ≥45dB Input Sensitivity: ≤420mV Overloading Level: ≥10V Input Impedance: 15 k ohms Power Consumption 50 W Power Supply:110-120V（±10%） /50Hz (For United States) Net Weight: 2.3KG/pcs Gross Weight: 3.5KG/pcs Dimension: L260mm x W140mm x H110mm ONE-YEAR WARRANTY !

## Features

- QINPU A3 Integrated Amplifier is also can be a Headphone amplifier too.
- Tube : 6N3 vacuum tube
- Frequency Response: 20Hz-40kHz
- Power Supply:110-120V（±10%） /50Hz (For United States) (100V, 110V, 120V, 127V, 220V,240 version is in stock.)
- Dimension: L260mm x W140mm x H110mm

## Product Details

- **Brand:** Qinpu
- **Output Wattage:** 8.5 Watts
- **Power Source:** AC 110-120V（±10%） /50Hz
- **Manufacturer:** QINPU

## Images

![A3 Integrated Amplifier with Headphone AMP Tube 6N3 HiFi Audio Used - Image 1](https://m.media-amazon.com/images/I/51EjAGB2RrL.jpg)
![A3 Integrated Amplifier with Headphone AMP Tube 6N3 HiFi Audio Used - Image 2](https://m.media-amazon.com/images/I/51EgXPyGeAL.jpg)
![A3 Integrated Amplifier with Headphone AMP Tube 6N3 HiFi Audio Used - Image 3](https://m.media-amazon.com/images/I/51GOcijdOJL.jpg)
![A3 Integrated Amplifier with Headphone AMP Tube 6N3 HiFi Audio Used - Image 4](https://m.media-amazon.com/images/I/61gCxaEZrpL.jpg)
![A3 Integrated Amplifier with Headphone AMP Tube 6N3 HiFi Audio Used - Image 5](https://m.media-amazon.com/images/I/61i42+K3P6L.jpg)

---

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---

*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-06-03*