---
product_id: 900732
title: "Optex RC-20U 3 Channel Receiver Chimebox w/ Relay"
brand: "optex"
price: "¥35910"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/900732-optex-rc-20u-3-channel-receiver-chimebox-w-relay
store_origin: JP
region: Japan
---

# 3 chime tones 9VDC adapter Wall/table mount Optex RC-20U 3 Channel Receiver Chimebox w/ Relay

**Brand:** optex
**Price:** ¥35910
**Availability:** ✅ In Stock

## Summary

> 🔔 Chime in on convenience with the OptexRC-20U!

## Quick Answers

- **What is this?** Optex RC-20U 3 Channel Receiver Chimebox w/ Relay by optex
- **How much does it cost?** ¥35910 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/900732-optex-rc-20u-3-channel-receiver-chimebox-w-relay)

## Best For

- optex enthusiasts

## Why This Product

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

## Key Features

- • **🔗 Expand Your Network:** Supports up to 9 transmitters for comprehensive coverage.
- • **⚡ Activate Other Devices:** Form C relay allows for seamless integration with other systems.
- • **🎶 Customize Your Alerts:** Identify each group of 3 transmitters with unique chime tones.
- • **🏠 Versatile Installation:** Easily wall-mount or table-mount to fit your space.
- • **🔋 Plug & Play Convenience:** Comes with a 9VDC adapter for immediate use.

## Overview

The OptexRC-20U 3 Channel Receiver Chimebox is a versatile alert system that accommodates up to 9 transmitters, each with a distinct chime tone. It operates with a 9VDC adapter and offers flexible installation options, making it perfect for both wall and table mounting. The built-in Form C relay allows for the activation of additional devices, enhancing its functionality.

## Description

Optex RC-20U 3 Channel Receiver Chimebox w/ Relay

## Features

- Accepts 9 transmitters and identifies each group of 3 with a different chime tone
- Operates with 9VDC adapter (included)
- Wall-mount or table-mount design
- Form C relay for activating other devices (50V AC 1A max. or 24V DC 1A max.)

## Images

![Optex RC-20U 3 Channel Receiver Chimebox w/ Relay - Image 1](https://m.media-amazon.com/images/I/71TJyyyL7hL.jpg)

## Frequently Bought Together

- Optex RC-20U 3 Channel Receiver Chimebox w/ Relay
- Optex TD-20U Indoor/Outdoor Wireless Infrared Transmitter

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**Shop now:** [https://www.desertcart.jp/products/900732-optex-rc-20u-3-channel-receiver-chimebox-w-relay](https://www.desertcart.jp/products/900732-optex-rc-20u-3-channel-receiver-chimebox-w-relay)

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