У вашего броузера проблема в совместимости с HTML5
Testing TPA3122-based, high efficient amplifier:
http://www.ti.com/lit/ds/slos527a/slos527a.pdf
http://www.ti.com/lit/ug/slou214a/slou214a.pdf
Awesome little IC as for me. If 15W isn't enough for some body- you can connect an external, wall socket powered full-bridge.
:D