---
product_id: 33593169
title: "Retail Store Sound System with Drop In Ceiling Speaker and In-Wall Remote Volume Control"
brand: "pure resonance audio"
price: "FREE"
currency: HKD
in_stock: false
url: https://www.desertcart.hk/products/33593169-retail-store-sound-system-with-drop-in-ceiling-speaker-in
store_origin: HK
region: Hong Kong
---

# Retail Store Sound System with Drop In Ceiling Speaker and In-Wall Remote Volume Control

**Brand:** pure resonance audio
**Price:** FREE
**Availability:** ❌ Out of Stock

## Quick Answers

- **What is this?** Retail Store Sound System with Drop In Ceiling Speaker and In-Wall Remote Volume Control by pure resonance audio
- **How much does it cost?** FREE with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/33593169-retail-store-sound-system-with-drop-in-ceiling-speaker-in)

## Best For

- pure resonance audio enthusiasts

## Why This Product

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

## Description

This Retail Sound System has a variety of applications such as stores, restaurants, and conference rooms. Audio package consists of one Pure Resonance SD4 Ceiling Speaker Array, one Atlas Sound AA50PHD 50 Watt Mixer Amplifier, and one Atlas Sound WPD-RISRL Volume Control Switch.  The SD4 is an innovative speaker concept that meets the demanding needs of audio and systems contractors worldwide. SD Speakers' pyramid design fits into standard 2'x2' or 2'x4' ceiling tile grids, providing an amazing 360 degrees of hemispheric sound. SD speakers are quick and economical to install and are competitively priced, making them an excellent value to contractors! SD4 ceiling speaker array systems offer performance, value and are ideal for classrooms applications.  The Atlas Sound AA50PHD is a 50 Watt, 4-Input Mixer Amplifier that is specifically designed for use in 70.7V speaker systems. The AA50PHD features a unique automatic system test using the front panel "Push Here Diagnostic" button. This internal circuitry is designed to check the connected speaker lines for wiring and impedance errors.  The WPD-RISRL is a decor style wall plate. The WPD-RISRL features an audio source slide selector as well as a source volume control. The unit includes an LED indicator to indicate which source is selected and if it is active. The unit fits in a single gang electrical outlet and uses an 8-conductor interface connection that includes a single 4 position removable Phoenix connector and dual 2 position Phoenix style connectors. When connected to the RIS output on an appropriate AAPHD amplifier, the WPD-RISRL allows for remote selection and volume adjustment of inputs 2, 3, and 4 allowing the rack to remain locked and secured.  What's Included?  Pure Resonance Audio SD4 Ceiling Speaker Array  Atlas Sound WPD-RISRL Volume Control Switch  Atlas Sound AA50PHD 50 Watt Mixer Amplifier

## Features

- This Retail Store Sound System is the perfect solution for K-12 and higher education facilities.
- System Includes:
- Pure Resonance Audio SD4 Ceiling Speaker
- Atlas Sound AA50PHD 50 Watt Mixer Amplifier
- Atlas Sound WPD-RISRL Volume Control Input Select Switch

## Images

![Retail Store Sound System with Drop In Ceiling Speaker and In-Wall Remote Volume Control - Image 1](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T2/images/I/41az6vi2iLL.jpg)
![Retail Store Sound System with Drop In Ceiling Speaker and In-Wall Remote Volume Control - Image 2](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T2/images/I/81AZeUKjWoL.jpg)
![Retail Store Sound System with Drop In Ceiling Speaker and In-Wall Remote Volume Control - Image 3](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T2/images/I/71Rm-muQpeL.jpg)
![Retail Store Sound System with Drop In Ceiling Speaker and In-Wall Remote Volume Control - Image 4](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T2/images/I/51IcfJOf5wL.jpg)
![Retail Store Sound System with Drop In Ceiling Speaker and In-Wall Remote Volume Control - Image 5](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T2/images/I/61pvv2AhOPL.jpg)

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**Shop now:** [https://www.desertcart.hk/products/33593169-retail-store-sound-system-with-drop-in-ceiling-speaker-in](https://www.desertcart.hk/products/33593169-retail-store-sound-system-with-drop-in-ceiling-speaker-in)

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*Product available on Desertcart Hong Kong*
*Store origin: HK*
*Last updated: 2026-02-22*