It’s been two years of suffering from the speakers built into my iMac. The speakers, despite all Apple’s marketing noise and even two 17 Watt power amps, suck big time. I’ve already connected my AV receiver via Bluetooth, but it’s quite a hassle to start it up every time. Another issue is that Logitech Bluetooth adapter gives a very low output level, which requires setting receiver’s volume to -20 dB every time I power it up.
I once needed to connect my PC’s audio output to the AV receiver to enjoy music played by decent speakers. The distance between the desktop and the receiver is a few meters, and I didn’t want to get entangled by wires (it’s the third millennium after all).
The almighty Internet offered an elegant solution, in the spirit of the millennium, concisely called Logitech Wireless Speaker Adapter for Bluetooth® audio devices: