---
product_id: 78821542
title: "FX Audio TUBE-03 JAN 5654W HiFi Treble Bass Buffer Tube Preamplifier (Tube-03S-SL)"
brand: "fx audio"
price: "FREE"
currency: VND
in_stock: false
reviews_count: 1
url: https://www.desertcart.vn/products/78821542-fx-audio-tube-03-jan-5654w-hifi-treble-bass-buffer
store_origin: VN
region: Vietnam
---

# FX Audio TUBE-03 JAN 5654W HiFi Treble Bass Buffer Tube Preamplifier (Tube-03S-SL)

**Brand:** fx audio
**Price:** FREE
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** FX Audio TUBE-03 JAN 5654W HiFi Treble Bass Buffer Tube Preamplifier (Tube-03S-SL) by fx audio
- **How much does it cost?** FREE with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/78821542-fx-audio-tube-03-jan-5654w-hifi-treble-bass-buffer)

## Best For

- fx audio enthusiasts

## Why This Product

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

## Description

Performance: Using classical tube JAN 5654W design and optimize the route. Tube can be replaced design,soft voice. Patent power conversion module. The first vehicle with DC12V power supply only. All aluminum alloy shell,heavy gold PCB,gold-plated interface. Can match digital power amplifier analog power amplifier,active speakers.  Technical: Power supply: DC12V 1A Frequency response: 20HZ(-0.2DB)-20KHZ(-0.2DB) SNR: 100DB Input sensitivity: 300MV-2000MV Output: 3000 mv THD:1000MV 0.1% Size:98x100x32 MM Weight:350g

## Features

- Using classical tube JAN 5654W design and optimize the route.
- Tube can be replaced design,soft voice.
- Patent power conversion module.
- The first vehicle with DC12V power supply only.

## Images

![FX Audio TUBE-03 JAN 5654W HiFi Treble Bass Buffer Tube Preamplifier (Tube-03S-SL) - Image 1](https://m.media-amazon.com/images/I/516NUKXA4JL.jpg)
![FX Audio TUBE-03 JAN 5654W HiFi Treble Bass Buffer Tube Preamplifier (Tube-03S-SL) - Image 2](https://m.media-amazon.com/images/I/51kBJFqi0XL.jpg)
![FX Audio TUBE-03 JAN 5654W HiFi Treble Bass Buffer Tube Preamplifier (Tube-03S-SL) - Image 3](https://m.media-amazon.com/images/I/51e3tLfp8kL.jpg)
![FX Audio TUBE-03 JAN 5654W HiFi Treble Bass Buffer Tube Preamplifier (Tube-03S-SL) - Image 4](https://m.media-amazon.com/images/I/51jjWhpZzEL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ 







  
  
    Just amazing for that price!  Marantz 1070/Senheiser HD 600
  

*by B***C on Reviewed in the United States on January 21, 2020*

These tubes sounds very well but their life is short...

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.vn/products/78821542-fx-audio-tube-03-jan-5654w-hifi-treble-bass-buffer](https://www.desertcart.vn/products/78821542-fx-audio-tube-03-jan-5654w-hifi-treble-bass-buffer)

---

*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-06-04*