Sonos also released a free software update for the Sonos Wireless HiFi System.

ENGADGET: Sonos Playbar: a home theater soundbar that wirelessly streams music for $699, we go hands- (and ears) on

"Sonos has transformed the way people listen to music throughout the home and now we're bringing our wireless HiFi approach to home theater, " said John MacFarlane, CEO, Sonos, Inc.

ENGADGET: Sonos Playbar: a home theater soundbar that wirelessly streams music for $699, we go hands- (and ears) on

Signal processing in the HiFi devices is fully symmetrical.

ENGADGET: Sennheiser unveils HDVA 600 analog headphone amp, asks for $1,600

For years its parent company, CorpCom, has developed and distributed audio products for other outfits, but it set out to develop its own line of HiFi Bluetooth speakers roughly 13 months ago.

ENGADGET: Beatpower enters the HiFi Bluetooth speaker fray, introduces speakers with panache (hands-on)

In addition to playing your personal digital music collection, The Sonos Wireless HiFi System gives you access to millions of songs and thousands of radio stations by partnering with Amazon Cloud Player, and more.

ENGADGET: Amazon Cloud Player now lets you play content on your Sonos system, helps get the party started

One of Herschel's instruments is called HIFI.

BBC: Herschel space telescope to go blind

HiFi meets HiDef globally beginning March 5.

ENGADGET: Sonos Playbar: a home theater soundbar that wirelessly streams music for $699, we go hands- (and ears) on