Sonos speakers are up to 25 percent off, plus the rest of this week's best tech deals

The week after Memorial Day can sometimes be a little sleepy on the deals front, but this week we saw a good number of sales, particularly on audio equipment. The headliner deal, a rare sale at Sonos , takes up to 25 percent off some of the brand's most popular speakers. JBL is discounting a few of its better Bluetooth speakers, Sony's new WH-CH720N headphones are down to $128 and