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Audioflow 3S-4Z - 4-Way Smart Speaker Switch

Original price £179.00 (inc. VAT) - Original price £179.00 (inc. VAT)
Original price £179.00 (inc. VAT)
£179.00 (inc. VAT)
£179.00 (inc. VAT) - £179.00 (inc. VAT)
Current price £179.00 (inc. VAT)


The Audioflow 3S-4Z allows you to effortlessly create a multi-room speaker setup without the need for multiple expensive amplifier units. 

The Audioflow 3S-4Z offers both convenience and safety for seamlessly toggling between multiple speakers within a standard home multi-room audio setup. It's engineered to flawlessly integrate ceiling speakers, on-wall/in-wall speakers, bookshelf speakers, and outdoor speakers into a singular amplifier output.

This versatile switch empowers you to effortlessly connect speakers throughout different areas of your home, indoor or outdoor. Gone are the days of investing in multiple amplifiers; the Audioflow switch completely streamlines your audio system setup.

Unlocking remarkable flexibility, the switch allows you to activate or deactivate any combination of connected speakers with ease. Whether you prefer tactile control via the front panel buttons, wireless convenience through a dedicated iOS/Android app, seamless integration with the Amazon Alexa Voice Assistant, or precision control through Contact Closure connections, the Audioflow switch delivers unparalleled performance tailored to your preferences.

Key Features:

  • Control via Wi-Fi with the Audioflow app for iOS / Android
  • Control the switch via Amazon Alexa Voice Assistant
  • Control the switch with Contact Closure
  • Rated for amplifier outputs up to 300W at 8Ω
  • Designed and manufactured in the UK

Audioflow 3S-4Z Specifications

Download the PDF Information Brochure HERE >

Download the PDF Quick Start Guide HERE >

Download the PDF Datasheet HERE >


  • Model Number:  3S-4Z
  • Weight:  300 g
  • Amplifier Power:  Max 300W @ 8Ω
  • Switching Relays:  Max 8A @ 250V AC
  • Speaker System Design:  Impedance Matching, (A+B Series) in Parallel with (C+D Series)
  • Power Input:  5V DC 1A, 2.1 x 5.5mm Barrel Plug, Centre Positive
  • Cable Connection:  Max 2.5mm2 or 14AWG
  • All Zones Off Amplifier Protection:  200Ω Dummy Load
  • Power Supply:  100-240V 50/60Hz, 1.8m Lead
  • Wi-Fi Support:  2.4GHz 802.11b/g/n, WPA/WPA2 PSK
  • Supported OS (Provisioning):  Android 6.0+ (Google Play Store) / Apple iOS 11.0+ (App Store)
  • Dimensions:  H38 x W216 x D100 mm
  • Weight:  300 g


In the Box:

  • Audioflow 3S-4Z Smart Speaker Switch
  • Power Supply
  • Connection Plugs
  • Cable Ties
  • Quick Start Guide

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