---
product_id: 466029032
title: "Sandman - Ring Voltage Booster II for Bridged Ringing - Increases Ring Current to 7.5 REN and Voltage to 90VAC RMS - True Sine Wave Output Makes Any Device with Analog Port Ring - Easy Installation"
brand: "sandman.com"
price: "Rp134526"
currency: IDR
in_stock: false
reviews_count: 7
url: https://www.desertcart.id/products/466029032-sandman-ring-voltage-booster-ii-for-bridged-ringing-increases-ring
store_origin: ID
region: Indonesia
---

# 90VAC Boost 7.5 REN Current Plug & Play Sandman - Ring Voltage Booster II for Bridged Ringing - Increases Ring Current to 7.5 REN and Voltage to 90VAC RMS - True Sine Wave Output Makes Any Device with Analog Port Ring - Easy Installation

**Brand:** sandman.com
**Price:** Rp134526
**Availability:** ❌ Out of Stock

## Summary

> 🔔 Ring in the Future of Communication!

## Quick Answers

- **What is this?** Sandman - Ring Voltage Booster II for Bridged Ringing - Increases Ring Current to 7.5 REN and Voltage to 90VAC RMS - True Sine Wave Output Makes Any Device with Analog Port Ring - Easy Installation by sandman.com
- **How much does it cost?** Rp134526 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.id](https://www.desertcart.id/products/466029032-sandman-ring-voltage-booster-ii-for-bridged-ringing-increases-ring)

## Best For

- sandman.com enthusiasts

## Why This Product

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

## Key Features

- • **Crystal Clear Sound:** Experience true sine wave output for reliable and clear ringing.
- • **Effortless Installation:** Enjoy a hassle-free setup with a simple plug-and-play design.
- • **Boost Your Ringing Power:** Elevate your home or office with a robust 90VAC ring voltage.
- • **Optimized for Bridged Setups:** Ensure consistent ringing performance across bridged configurations.
- • **Expand Your Communication Network:** Seamlessly add more phones with compatibility for VoIP and analog systems.

## Overview

The Sandman - Ring Voltage Booster II enhances your ringing capabilities by increasing the ring current to 7.5 REN and voltage to 90VAC RMS. It supports a variety of systems, including VoIP and analog ports, ensuring compatibility with a wide range of telephones. With true sine wave output, it guarantees clear ringing sounds, and its plug-and-play design makes installation a breeze.

## Description

Full description not available

## Features

- Increase Ring Voltage & Current- Boosts ring voltage to 90VAC at 20 cycles, ideal for external ringers and telephones with mechanical bells. Increases ring current to 7.5 REN. Boosts ringing on any device that provides a port for analog telephones.
- Add More Phones To Home Or Office - Supports various systems, including VoIP, analog ports, FXS, and Magic Jack, for easy network expansion, compatible with a wide range of landline telephones.
- True Sine Wave Output -True Sine Wave Output ensures that your device rings with clear and reliable sound for compatible phones. LED indicator shows when the ring voltage is being boosted. Modular RJ-11 Jacks for easy connection to telephone lines or station ports.
- Simple Plug and Play - Effortless setup with plug and play design, including a regulated power cube and line cord, making it easy to install and use with external ringer for telephones.
- Bridged Ringing Support - Optimized performance for bridged setups, ensuring consistent and reliable ring signals, compatible with systems featuring bridged configurations for your landline telephone.

## Images

![Sandman - Ring Voltage Booster II for Bridged Ringing - Increases Ring Current to 7.5 REN and Voltage to 90VAC RMS - True Sine Wave Output Makes Any Device with Analog Port Ring - Easy Installation - Image 1](https://m.media-amazon.com/images/I/51qTb9BZeGL.jpg)
![Sandman - Ring Voltage Booster II for Bridged Ringing - Increases Ring Current to 7.5 REN and Voltage to 90VAC RMS - True Sine Wave Output Makes Any Device with Analog Port Ring - Easy Installation - Image 2](https://m.media-amazon.com/images/I/71PSVefau0L.jpg)
![Sandman - Ring Voltage Booster II for Bridged Ringing - Increases Ring Current to 7.5 REN and Voltage to 90VAC RMS - True Sine Wave Output Makes Any Device with Analog Port Ring - Easy Installation - Image 3](https://m.media-amazon.com/images/I/6186YG-DKoL.jpg)
![Sandman - Ring Voltage Booster II for Bridged Ringing - Increases Ring Current to 7.5 REN and Voltage to 90VAC RMS - True Sine Wave Output Makes Any Device with Analog Port Ring - Easy Installation - Image 4](https://m.media-amazon.com/images/I/711LezObjcL.jpg)
![Sandman - Ring Voltage Booster II for Bridged Ringing - Increases Ring Current to 7.5 REN and Voltage to 90VAC RMS - True Sine Wave Output Makes Any Device with Analog Port Ring - Easy Installation - Image 5](https://m.media-amazon.com/images/I/71XfH5gCmwL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars







  
  
    Very good
  

*by F***K on Reviewed in the United States on March 2, 2024*

The phone rings nicely again

### ⭐⭐⭐⭐ 4.0 out of 5 stars







  
  
    Works as promised
  

*by 9***U on Reviewed in the United States on July 20, 2023*

My old phones which are connected to a FritzBox are now ringing like they used to on analog landlines

### ⭐ 1.0 out of 5 stars







  
  
    295A WE ringer box
  

*by L***E on Reviewed in the United States on March 5, 2023*

It never worked! I bought it to boost the REN in order for my Western Elect ringer box to work/ring.It did nothing,  I understand there are other units out there, RG10A Viking is one I my try at some point.

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**Shop now:** [https://www.desertcart.id/products/466029032-sandman-ring-voltage-booster-ii-for-bridged-ringing-increases-ring](https://www.desertcart.id/products/466029032-sandman-ring-voltage-booster-ii-for-bridged-ringing-increases-ring)

---

*Product available on Desertcart Indonesia*
*Store origin: ID*
*Last updated: 2026-03-17*