by Leo Jakobson | October 13, 2015
Roku may be smallest company in the set-top streaming television market, but it remains the most popular, despite competition from the likes of the Apple TV, Amazon Fire, and Google Chromecast. 

This week, Roku unveiled the new Roku 4, which allows user to stream movies and TV shows from Sources like Netflix, Hulu, Amazon Video, HBO, Showtime and some 2,500 other sources in 4K Ultra or 1080p high definition. 

Aside from the new 4K Ultra HD support, the Roku 4 offers faster Wi-Fi access -- 802.11ac MIMO dual-band wireless, for the tech geeks among you -- and voice search by keyword, title, actor, or director across the 20 most popular streaming channels via the enhanced remote, which has a headphone port to allow a user to view content without disturbing others in the room. It also acts as a motion-control gaming remote. 

The Roku Feed feature lets users follow movies, TV shows, actors, and directors and get automatic updates when new content is ready to stream or when prices drop. 

The Roku box in 6.5-inches square, 0.8 inches high and weighs less than one pound. A lost remote finder lets you set off a beeper on the remote from the set-top box.

The Roku 4 is scheduled to ship on Oct. 21 for $129.99. It is available in the incentive/special markets channel from Power Sales.