The History of Polk Audio: American Hi-Fi

00:00 Start
01:55 Early success and the Monitor series
02:50 Introduction of SDA technology
03:43 SDA SRS floor-standing speakers
04:44 Changes and the launch of Mexican production
06:10 New president of Polk
07:00 The year 2000
07:40 Sound United and Masimo
08:25 Present day