When it's time to upgrade to serious 2-way professional studio monitors, you're ready for the Eris E5. With woven composite low-frequency transducers, low-mass silk-dome tweeters, responsive class AB amplification, and professional acoustic-adjustment controls, the compact Eris E5 represents an outstanding value In its class. It includes RF shielding, current-output limiting, over-temperature protection, and subsonic protection, and unlike comparably priced studio monitors, it has controls for simulating different listening environments and flattening frequency response to enable accurate mixing.