What kind of tech did Apple hide in there? Here's what they've told us:

Apple A8 processor

4" high-excursion, upward-firing woofer

Beamforming seven-tweeter array

Beamforming six-microphone array

Low frequency microphone for real-time woofer calibration

Top-mounted touch interface

802.11ac Wi-Fi with MIMO + Bluetooth 5.0