A:AnswerDoes it have enough space to air out in your cabinet if not it will shut down i recommend about 6 inches all around for airflow to not overheat
A:AnswerAccording to Apple the 7th Gen IPod has Bluetooth installed. You just have to turn it on and pair with the AVR receiver. If this info from Apple is not correct then you are out of luck. Denon makes an upgraded model with wifi, AirPlay etc., but it’s a little more in price.
A:AnswerChoose what’s best for your application. Indoor/outdoor. Most of it is braided if not all of them. Start here for suggestions https://www.google.com/amp/s/www.latimes.com/bestcovery/best-speaker-cable-wire%3f_amp=true