PreSonus Eris E4.5 Active Studio Monitors – 50W Bi-Amp 4.5" LF Driver, Pair
The PreSonus Eris E4.5 is a professional 2-speaker studio monitor set designed for accurate, clean, and balanced audio reproduction. PreSonus Eris E4.5 – Active Studio Monitor Pair. Model: PreSonus Eris E4.5.