Sonoff 4CH R2 and 4CH Pro R2 are two models of sonoff 4CH products. although these two products are both 4-gang switches that can control 4 electrical appliances and offer greater performance, the way they work is a bit different.

This article is to tell the differences to 4CH R2 and 4CH Pro R2 which can help you make the right choice of products for your home.

Common Features of 4CH R2 and 4CH Pro R2:

Remote control 4 devices separately with WIFI
Free iOS and Android mobile App eWeLink
DIN Rail Mounted– Great for industrial control
Real-time device status provided to App
Control your smart home together with your family
Set scheduled/countdown timers to turn on/off at specified time
Turn on/off a gang of devices with one tap
Triggered on/off by temp, hum or other environmental conditions from sensor
Works perfectly with Amazon Alexa, Google Assistant, IFTTT, Google Nest

Key difference between 4CH R2 and 4CH Pro R2:

The Sonoff 4CH Pro R2 supports switching among 3 working modes: interlock/self-locking/inching mode while Sonoff 4CH R2 doesn't support

The Sonoff 4CH Pro R2 supports RF Remote while Sonoff 4CH R2 doesn't support

Let's take a look at the specifications of both devices that make comparison more intuitive:


4CH R2

4CH PRO R2

 

 

 

 

 

 

 

Appearance

Size

145*90*40mm

145*90*40mm

Weight

250g

350g

Voltage Range

90-250V AC (50/60HZ)

90-250V AC (50/60HZ)/5-24V DC

Max Current

10A/gang

10A/gang

Max Power

2200W/gang, 2200W/Total

2200W/gang

Wireless Standard

802.11 b/g/n 2.4GHZ

802.11 b/g/n 2.4GHZ, 433.92MHZ

Security

WPA-PSK/WPA2-PSK

WPA-PSK/WPA2-PSK

Scene

Yes

Yes

Remote Control

Yes

Yes

Share Control

Yes

Yes

LAN Control

No

No

433MHz RF Remote 

No

Yes

Schedule/Countdown Timer

Yes

Yes

Channel

4 Gang

4 Gang

Way

1Way

2Way

Loop Timer

No

No

Interlock/self-locking/inching modes

No

Yes

DIN Rail

Yes

Yes

Amazon Alexa

Yes

Yes

IFTTT

Yes

Yes

Google Nest

Yes

Yes

Google Assistant

Yes

Yes