---
product_id: 58680140
title: "Sabaj A4 HiFi Audio Stereo Bluetooth Digital Amplifier 80Wx2 BT 4.2 Class D Supports Apt-X Bluetooth,USB,Coaxial,Analog,Optical Inputs,Subwoofer Output"
brand: "sabaj"
price: "¥7084"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/58680140-sabaj-a4-hifi-audio-stereo-bluetooth-digital-amplifier-80wx2-bt
store_origin: JP
region: Japan
---

# Headphone Amplifier BT 4.2 Connectivity 80W x 2 Power Sabaj A4 HiFi Audio Stereo Bluetooth Digital Amplifier 80Wx2 BT 4.2 Class D Supports Apt-X Bluetooth,USB,Coaxial,Analog,Optical Inputs,Subwoofer Output

**Brand:** sabaj
**Price:** ¥7084
**Availability:** ✅ In Stock

## Summary

> 🎶 Elevate Your Audio Game with Sabaj A4!

## Quick Answers

- **What is this?** Sabaj A4 HiFi Audio Stereo Bluetooth Digital Amplifier 80Wx2 BT 4.2 Class D Supports Apt-X Bluetooth,USB,Coaxial,Analog,Optical Inputs,Subwoofer Output by sabaj
- **How much does it cost?** ¥7084 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/58680140-sabaj-a4-hifi-audio-stereo-bluetooth-digital-amplifier-80wx2-bt)

## Best For

- sabaj enthusiasts

## Why This Product

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

## Key Features

- • **Versatile Inputs:** Supports USB, coaxial, analog, and optical inputs for all your devices.
- • **Compact Powerhouse:** Lightweight design (1.6 kg) without compromising on performance.
- • **Tailored Listening:** Independent headphone amplifier for personalized audio enjoyment.
- • **Unleash Your Sound:** Experience 80W x 2 power for an immersive audio journey.
- • **Seamless Connectivity:** BT 4.2 with Apt-X for crystal-clear wireless streaming.

## Overview

The Sabaj A4 HiFi Audio Stereo Bluetooth Digital Amplifier delivers powerful 80W x 2 output, featuring advanced DSP technology and a built-in headphone amplifier. With versatile connectivity options including USB, coaxial, analog, and optical inputs, it ensures compatibility with a wide range of devices. The BT 4.2 module supports Apt-X for high-quality wireless audio, making it a perfect choice for audiophiles seeking both performance and convenience.

## Description

Full description not available

## Features

- Sabaj A4 supports USB coaxial analog bluetooth and optical inputs
- A4 is a small full digital class d bluetooth amplifier built-in headphone amplifier,80w*2 output power,supports subwoofer output.
- BT4.2 Bluetooth Module,supports APT-X, press "mute" button to connect with last bluetooth device when BT input mode is working
- Independent headphone amplifier design and advanced DSP technology
- Amplifier Chip: Using TAS5508C for digital signal DSP processing and Pre-Amp.TAS5342A for digital signal rear-AMP

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Wattage | 80 watts |
| Number of Channels | 2 |
| Output Wattage | 80 Watts |
| Output Power | 80 Watts |
| Audio Output Type | Headphones, Speakers |
| Format | WAV, WMA |
| Wireless Technology | Bluetooth |
| Control Method | Remote |
| Connector Type | USB |
| Audio Encoding | Stereo |
| Audio Output Mode | Stereo |
| Connectivity Technology | Bluetooth, USB |
| Additional Features | DAB |
| Compatible Devices | Smartphone, Speaker |
| Item Weight | 1.6 Kilograms |
| Color | Black |

## Product Details

- **Brand:** Sabaj
- **Connectivity Technology:** Bluetooth, USB
- **Controller Type:** Push Button
- **Special Feature:** DAB
- **Compatible Devices:** Smartphone, Speaker
- **Connector Type:** USB
- **Audio Encoding:** Stereo
- **Audio Output Mode:** Stereo
- **Color:** Black
- **Item Weight:** 1.6 Kilograms

## Images

![Sabaj A4 HiFi Audio Stereo Bluetooth Digital Amplifier 80Wx2 BT 4.2 Class D Supports Apt-X Bluetooth,USB,Coaxial,Analog,Optical Inputs,Subwoofer Output - Image 1](https://m.media-amazon.com/images/I/51zYWXnSiIL.jpg)
![Sabaj A4 HiFi Audio Stereo Bluetooth Digital Amplifier 80Wx2 BT 4.2 Class D Supports Apt-X Bluetooth,USB,Coaxial,Analog,Optical Inputs,Subwoofer Output - Image 2](https://m.media-amazon.com/images/I/51P7pCl-uNL.jpg)
![Sabaj A4 HiFi Audio Stereo Bluetooth Digital Amplifier 80Wx2 BT 4.2 Class D Supports Apt-X Bluetooth,USB,Coaxial,Analog,Optical Inputs,Subwoofer Output - Image 3](https://m.media-amazon.com/images/I/61yp4oqWcFL.jpg)
![Sabaj A4 HiFi Audio Stereo Bluetooth Digital Amplifier 80Wx2 BT 4.2 Class D Supports Apt-X Bluetooth,USB,Coaxial,Analog,Optical Inputs,Subwoofer Output - Image 4](https://m.media-amazon.com/images/I/51n0EjkkgFL.jpg)
![Sabaj A4 HiFi Audio Stereo Bluetooth Digital Amplifier 80Wx2 BT 4.2 Class D Supports Apt-X Bluetooth,USB,Coaxial,Analog,Optical Inputs,Subwoofer Output - Image 5](https://m.media-amazon.com/images/I/5123pGoCxkL.jpg)

## Frequently Bought Together

- Sabaj A4 HiFi Audio Stereo Bluetooth Digital Amplifier 80Wx2 BT 4.2 Class D Supports Apt-X Bluetooth,USB,Coaxial,Analog,Optical Inputs,Subwoofer Output
- NEUMI BS5 Passive Bookshelf Speakers, 5-Inch Woofer, 1-Inch Tweeter, Dark Wood, 1 Pair
- Amazon Basics 16-Gauge Speaker Wire Cable, 100 Feet, Bronze

---

## 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.jp/products/58680140-sabaj-a4-hifi-audio-stereo-bluetooth-digital-amplifier-80wx2-bt](https://www.desertcart.jp/products/58680140-sabaj-a4-hifi-audio-stereo-bluetooth-digital-amplifier-80wx2-bt)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-07*