Looking for professional studio sound in a compact package This Used PreSonus ERIS 3.5 Pair of Powered Monitors is in great condition and delivers crystal-clear audio for music production, gaming, or casual listening. Each speaker features a 3.5-inch Kevlar low-frequency driver and a 1-inch silk-dome tweeter, powered by 25 watts per speaker via a convenient Class AB amplifier. Rear-panel acoustic tuning controls allow customized sound for your room, while front-panel volume, headphone out, and an auxiliary input offer versatile connectivity. With flexibility, power, and clarity, these monitors are ideal for any compact studio or multimedia setup.