Connect three pairs of speakers to your stereo amplifier. Speaker Impedance This three way switch has Zone A and Zone B in Series. Zone C is in Parallel with A+B.This means that you must be sure to use 8Ω speakers and an amplifier that works down to 4Ω to be able to use this switch. Overview Audioflow is perfect for connecting ceiling speakers, on-wall and in-wall speakers, bookshelf speakers and outdoor speakers to a single amplifier output. This three way switch is perfect for a Bedroom / Dressing Room / En-Suite or perhaps open plan living spaces such as Living Room / Snug / Garden for example. Features Control with the touch buttons on the front Control via Wi-FI with the Audioflow app for iOS / Android Control with Amazon Alexa Voice Assistant Control with Contact Closure connections Rated for amplifier outputs up to 300W at 8Ω Designed and Manufactured in the UK Application Audioflow iOS App on the Apple App Store Audioflow Android App on the Google Play Store Audioflow Amazon Alexa Skill