Audio Jack Airport Express

Optical Audio Jack on an Airport Express,… - Apple Community

https://discussions.apple.com/thread/7474698

The digital portion of the Express base station's audio port takes a 3.5 mm optical digital miniplug. You can either use a miniplug to TOS adapter or a cable which already has the plug at one end. It's called a mini-TOSlink. It has the same dimensions as a 3.5mm headphone jack, but is simply a small tube.

Apple AirPort Express - Ken Rockwell

https://www.kenrockwell.com/apple/airport-express.htm

The analog audio output jack of the AirPort Express, plugged directly as a line-output into audiophile gear, is great. From 100 feet away , signal-to-noise ratio is 102.5 dB, channel balance is within 0.03 dB, frequency response is +0, -3 dB from 8 Hz to over 22 kHz from mere 44.1 kHz files, and THD + Noise is 0.01% (better than most tube gear ...

Apple AirPort Express Audio Quality - Ken Rockwell

https://www.kenrockwell.com/apple/airport-express-audio-quality-2014.htm

I'm very happy, this new AirPort Express has much better analog audio quality than the old AirPort Express. What's superb about this AirPort is that it has a full 2 Volt RMS output, not a whimpy 1 V or less output as we get from the jacks of iOS devices or many other and more expensive outboard DACs.

Using Apple's AirPort Express with a DAC: A how-to guide ...

https://www.cnet.com/tech/computing/using-apples-airport-express-with-a-dac-a-how-to-guide/

Hacking an Apple Airport Express | Jack Chalkley

http://jackchalkley.com/2014/03/16/hacking-an-apple-airport-express-to-make-wireless-car-audio/

Then I saw this MCM video and it seemed the perfect solution. In basically involves swapping out the power module inside the airport express for one that runs on 5V (USB), splicing in a usb socket into the cars ignition loom and plugging the audio-jack output into an au converter for the car stereo. However, I would differentiate mine from ...