FiiO has been on a serious product tear in 2025, and the launch of the SP5 marks at least the seventh new release by mid-July ...

Invoxia’s smart magnet turns your fridge into a speaker you can doodle on. by Tom Warren. Jan 5, 2015, 12:42 AM UTC. Tom Warren is ...

The magnet won’t heat up as much, and the speaker should be much more efficient. Also, 2 rings sandwiched together should give twice the B field, resulting in twice the curl.