---
product_id: 634593041
title: "– 3.5mm Aux + RCA L/R Audio Switch Box 4 in 1 Out Bidirectional, BolAAzuL Stereo Audio Switcher Selector 4X1 Passive a/b Analog Audio Selector No Power Need"
brand: "bolaazul"
price: "HK$377"
currency: HKD
in_stock: true
url: https://www.desertcart.hk/products/634593041-3-5mm-aux-rca-l-r-audio-switch-box-4
store_origin: HK
region: Hong Kong
---

# Supports 3.5mm & RCA L/R inputs/outputs 4-in-1 bidirectional switch No power needed, passive design – 3.5mm Aux + RCA L/R Audio Switch Box 4 in 1 Out Bidirectional, BolAAzuL Stereo Audio Switcher Selector 4X1 Passive a/b Analog Audio Selector No Power Need

**Brand:** bolaazul
**Price:** HK$377
**Availability:** ✅ In Stock

## Summary

> 🎶 Switch Smarter, Sound Better – Never Miss a Beat!

## Quick Answers

- **What is this?** – 3.5mm Aux + RCA L/R Audio Switch Box 4 in 1 Out Bidirectional, BolAAzuL Stereo Audio Switcher Selector 4X1 Passive a/b Analog Audio Selector No Power Need by bolaazul
- **How much does it cost?** HK$377 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/634593041-3-5mm-aux-rca-l-r-audio-switch-box-4)

## Best For

- bolaazul enthusiasts

## Why This Product

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

## Key Features

- • **Plug & Play Convenience:** No power or drivers needed—just connect and switch instantly.
- • **Bidirectional Flexibility:** Switch between 4 speakers or 4 sources effortlessly with one device.
- • **Compact & Portable Design:** Fits perfectly on your desk or entertainment center without clutter.
- • **Seamless Multi-Device Connectivity:** Connect up to 4 audio sources to a single output without hassle.
- • **Premium Build for Crystal Clear Sound:** Metal housing and quality connectors reduce signal loss and ensure durability.

## Overview

The BolAAzuL 4-in-1 Stereo Audio Switcher is a passive, bidirectional audio selector that supports both 3.5mm aux and RCA L/R connections. It allows seamless switching between four audio sources or outputs without requiring power, featuring a durable metal housing for enhanced signal quality and long-term reliability. Compact and user-friendly, it’s perfect for professionals managing multiple audio devices in a sleek setup.

## Description

3.5mm Aux + RCA L/R Audio Switch Box 4 in 1 Out Bidirectional, BolAAzuL Stereo Audio Switcher Selector 4X1 Passive a/b Analog Audio Selector No Power Need

## Features

- Audio Switcher 4 in 1 out: The 4X1 Stereo Audio Selector Switch allows you to connect four audio sources, such as a host, DVD player, CD player, video recorder, and TV box, to a single output (a set of speakers or headphones), enabling seamless connectivity of multiple devices
- Reversible Operation: This bi-directional 4 ports RCA Audio switch box enables you to connect four audio sources to a single speaker/headphone, or alternatively, to connect one audio source to switch between four speakers/headphones(NOTE: only 1 of the 4 speakers/headphones can work; all four cannot work simultaneously)
- Widely Compatible RCA Audio Switcher Box: This 4-input 1 output audio switch supports 3.5mm aux and RCA (L/R) audio in and out, such as 3.5mm input + 3.5mm & RCA L/R output; or RCA L/R input + 3.5mm & RCA L/R output, providing flexibility in connecting various devices
- Well-built Stereo Audio Selector: Durable construction: The 4 in 1 audio switcher is built with sturdy and durable metal housing, facilitating efficient heat dissipation, ensuring long-term reliability and performance. Premium connectors and components help improve conductivity and reduce signal loss, resulting in better audio quality and ensuring a stable and secure connection between the audio sources and the output, preventing signal interruptions or audio dropouts
- User-friendly RCA AUX Audio Switch: Passive audio switch, no power or additional software and driver required, plug & play; Easy switch via the button; Compact design makes it easy to place on a desk or entertainment center without taking up too much space, and easy to carry

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Cable Type | Auxiliary, RCA |
| Number of Ports | 4 |
| Compatible Devices | Laptop, Television, VCR, DVD Player, Personal Computer |
| Connector Type | 3.5mm Jack |

## Product Details

- **Colour:** Black
- **Connector type:** 3.5mm Jack, RCA
- **Brand:** BolAAzuL
- **Compatible devices:** DVD Player, Laptop, Monitor, Television, VCR
- **Cable type:** Auxiliary, RCA

## Images

![– 3.5mm Aux + RCA L/R Audio Switch Box 4 in 1 Out Bidirectional, BolAAzuL Stereo Audio Switcher Selector 4X1 Passive a/b Analog Audio Selector No Power Need - Image 1](https://m.media-amazon.com/images/I/71MxGAcTJ3L.jpg)

## Frequently Bought Together

- 3.5mm Aux + RCA L/R Audio Switch Box 4 in 1 Out Bidirectional, BolAAzuL Stereo Audio Switcher Selector 4X1 Passive a/b Analog Audio Selector No Power Need
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**Shop now:** [https://www.desertcart.hk/products/634593041-3-5mm-aux-rca-l-r-audio-switch-box-4](https://www.desertcart.hk/products/634593041-3-5mm-aux-rca-l-r-audio-switch-box-4)

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*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-01-25*