---
product_id: 414903390
title: "Audioproject A391 DAB Antenna Amplifier Splitter SMB to DIN Compatible for Sony Pioneer JVC Kenwood Blaupunkt Alpine FM Antenna Splitter Car Radio Digital Radio DAB+ Plus Car Adapter Plug"
brand: "audioproject"
price: "¥7835"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/414903390-audioproject-a391-dab-antenna-amplifier-splitter-smb-to-din-compatible
store_origin: JP
region: Japan
---

# 15-20 dB signal gain 12V power via ignition SMB to DIN plug compatibility Audioproject A391 DAB Antenna Amplifier Splitter SMB to DIN Compatible for Sony Pioneer JVC Kenwood Blaupunkt Alpine FM Antenna Splitter Car Radio Digital Radio DAB+ Plus Car Adapter Plug

**Brand:** audioproject
**Price:** ¥7835
**Availability:** ✅ In Stock

## Summary

> 📻 Upgrade your ride’s radio game—ditch the old, embrace the digital wave!

## Quick Answers

- **What is this?** Audioproject A391 DAB Antenna Amplifier Splitter SMB to DIN Compatible for Sony Pioneer JVC Kenwood Blaupunkt Alpine FM Antenna Splitter Car Radio Digital Radio DAB+ Plus Car Adapter Plug by audioproject
- **How much does it cost?** ¥7835 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/414903390-audioproject-a391-dab-antenna-amplifier-splitter-smb-to-din-compatible)

## Best For

- audioproject enthusiasts

## Why This Product

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

## Key Features

- • **Dual Signal Mastery:** Seamlessly splits FM and DAB+ signals for crystal-clear digital radio without extra antennas.
- • **Plug & Play Upgrade:** Transforms your existing FM rod antenna into a powerful DAB+ digital antenna—no roof or window antenna needed.
- • **Universal Compatibility:** Works flawlessly with top car radio brands like Sony, Pioneer, Kenwood, Alpine, and more.
- • **Compact & Durable Design:** Gold-plated SMB angled plug and 34cm cable ensure reliable connection and long-lasting performance.
- • **Effortless Power Integration:** Powered directly through your car’s ignition system with minimal 6mA consumption—smart and efficient.

## Overview

The AudioprojectA391 is a high-gain (15-20 dB) DAB+ antenna amplifier and splitter that converts your existing FM rod antenna into a digital radio powerhouse. Compatible with major car radio brands and powered via your car’s ignition, it eliminates the need for additional antennas while delivering superior signal clarity with minimal power consumption.

## Description

A391 DAB Antenna Amplifier Splitter SMB to DIN Compatible for Sony Pioneer JVC Kenwood Blaupunkt Alpine FM Antenna Splitter Car Radio Digital Radio DAB+ Plus Car Adapter Plug

## Features

- This active DAB DAB+ plus digital radio antenna splitter / antenna switch allows you to use your normal rod antenna as a DAB+ antenna for your DAB car radio for retrofitting. Simply plug the normal antenna plug into the adapter socket. The splitter then separates the antenna signal into the areas FM - FM / DAB plus (Internet Digital Radio)
- Compatible with: DAB car radio/receiver - TechniSat Pioneer Panasonic AiliTech Denson Clarion Kenwood Alpine Pure Revo Sony JVC Blaupunkt PP16DAB PP15DAB RXD10 RXD34 RXD35 RXD50 RXD120 IRD30 BD400 CLRD30 and other devices
- No separate DAB roof antenna, window antenna (windscreen antenna) required. Your FM radio antenna becomes a digital antenna. The power supply of the integrated signal amplifier is via the DAB plug of the Internet radio. Also compatible with cars Audi VW Polo Golf Touran Skoda Seat Opel Ford Mercedes Volvo and more
- Technical data: SMB angled plug gold-plated antenna plug DIN antenna socket DIN external power supply 12 V via ignition plus - red cable adapter length (cable): approx. 34 cm. Gain: 15 - 20 dB. Power consumption: 6 mA. Signal to noise ratio < 2 dB. Colour: black

## Images

![Audioproject A391 DAB Antenna Amplifier Splitter SMB to DIN Compatible for Sony Pioneer JVC Kenwood Blaupunkt Alpine FM Antenna Splitter Car Radio Digital Radio DAB+ Plus Car Adapter Plug - Image 1](https://m.media-amazon.com/images/I/51poSd5zp3L.jpg)

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**Shop now:** [https://www.desertcart.jp/products/414903390-audioproject-a391-dab-antenna-amplifier-splitter-smb-to-din-compatible](https://www.desertcart.jp/products/414903390-audioproject-a391-dab-antenna-amplifier-splitter-smb-to-din-compatible)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-05*