FORGOTTEN HISTORY: Addon | History Defined

I tested the Audio Pro Addon C5 MKII, and it's a stylish, buildable home hi-fi system — but a few things hold it back

I’ve been testing the Audio Pro Addon C5 MKII, a retro-looking speaker with Wi-Fi streaming capabilities for great sound.

Tom’s Guide · Feb 13

Audio Pro Addon C10 MkII review: WiiM addition fixes the wireless speakers' only minor issue

Now with the WiiM streaming platform, the beautiful Audio Pro Addon C10 MkII is maturing into later life

TechRadar · Jul 26, 2025

Audio Pro Addon C5A review

The Audio Pro Addon C5A takes Swedish design and adds in some of the smartest voice controls and more.

TopTenReviews · Apr 16, 2023