PreSonus Eris E3.5 Studio Monitors

Components and construction

3.5-inch (89 mm) woven composite low-frequency transducer

1-inch (25 mm), ultra-low-mass, silk-dome, high-frequency transducer

Rear-firing acoustic port for superior bass-frequency reproduction

Optimized, resonance-suppressing internal bracing

User controls

High- and low-frequency tuning controls

Front-panel Volume control for speakers and headphone amplifier

Power and safety

50 watt (25W/side), Class AB biamplification

RF interference, output current limiting, over-temperature, transient, and subsonic protection

Amplifier “soft start” feature eliminates popping on power-up

Internal power supply with IEC connector

Power switch with on/off LED

Inputs and outputs

Balanced ¼-inch TRS, unbalanced 1/8-inch stereo, and RCA inputs

Integrated stereo headphone amplifier with front-panel 1/8-inch output