PreSonus Eris E5 Studio MonitorAdvertisement PreSonus Eris E5 Studio Monitor ($150 each) 5.25 woofer 1 inch tweeter LF Amp: 45 watt HF Amp: 35 watt Frequency range: 55Hz - 22kHz AdvertisementPublished: 07-08-2014 11:26:22 by POLITUSIC | Updated: 08-03-2014 10:43:51 Go To Article: Studio Monitors: Compare Prices, Specs