These wireless pucks let up to 10 people listen to a single audio source - The Verge
Ekko sound pods stream audio to several headphones at once - SlashGear
HUB | The first Hi-Fi, Wi-Fi hub for headphones and speakers by ekko audio, LLC. — Kickstarter
Amazon.com: BeHear Proxy, Personal TV Sound System for Seniors, Phone Speaker, Bundled with HearLink Plus Bluetooth Audio Transmitter, Low Latency aptX, : Electronics
Ekko: The Best Bluetooth Music Using Any Speaker, Anywhere! by Magis Labs — Kickstarter
SOUND SYSTEM LETS MULTIPLE USERS SHARE AUDIO WIRELESSLY
17 Ekko audio ideas | audio, hifi, wireless audio
Ekko Audio HUB | The Coolector
HUB | The first Hi-Fi, Wi-Fi hub for headphones and speakers by ekko audio, LLC. — Kickstarter
HUB: The first Hi-Fi, Wi-Fi hub for headphones | Indiegogo
These Pucks Turn All the Speakers You Already Have into a Badass Sound System « Tech Pr0n :: Gadget Hacks