The HP Wireless Audio kit has two parts: a transmitter and a receiver box. The transmitter is a basic USB device shaped like a large, wide flash drive. It's slightly wider than would be convenient, as it can block other ports close to the USB port it's plugged into. The receiver box is a 1.2- by 4.5- by 2.9-inch (HWD) rectangular device with a port for the power cable, RCA stereo outputs, a standard-size 3.5mm output, and an S/PDIF digital output. It also has a small pairing button and two lights to show it's plugged in and paired with the transmitter.
Wireless and networked audio is becoming increasingly ubiquitous. Bluetooth and AirPlay allow you to play music on their smartphones, tablets, and computers through their speaker systems, and DLNA lets you play music that's stored on their computers through their Blu-ray players and HDTVs over their home network. There aren't many simple, out-of-the-box kits to enable wireless audio on both ends, though. The HP Wireless Audio kit changes that, by offering an all-in-one solution to stream music from your computer to your speakers. It's easy to set up, but at $99.99 (direct), it's expensive for a device that lets you do things you probably can already do via other methods.
To sync the transmitter with the receiver, you need to install the HP Wireless Audio Manager software on your PC and plug in the transmitter. Once you install it, you can pair your computer (with the transmitter attached) to the receiver by pressing the pairing button on the receiver and running the software. The default audio driver will switch to the USB transmitter. From that point, anything you play on the computer will output through the receiver to whatever speakers or home theater system you hook up.
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