Amazon offers its Prime members the Sabrent WiFi Audio Receiver, model no. WF-RADU, for $29.99. Coupon code "WFRADU22" cuts it to $21.99. With free shipping, that's $28 off list, a buck under our July mention, and the lowest total price we've seen. (Non-Prime members can spend $35 or more to qualify for free shipping; otherwise, shipping adds $5.19.) It allows you to connect your iPhone or other smartphone and stream to any home, car stereo, or wireless speaker system. It also supports DLNA and AirPlay.