PreSonus Eris E4.5 Studio Monitori

Components and construction

• 4.5-inch Kevlar® low-frequency transducer
• 1-inch (25 mm), ultra-low-mass, silk-dome, high-frequency transducer
• Front-firing acoustic port for superior bass-frequency reproduction
• Optimized, resonance-suppressing internal bracing
• 100 dB maximum continuous SPL

User controls

• HF Driver Adjust (±6 dB, continuously variable)
• Midrange Driver Adjust (±6 dB, continuously variable)
• Acoustic Space settings (flat, -2, -4 dB) for accurate mixing contour
• Highpass filter (Off, 80 Hz, 100 Hz)

Power and safety

• 50 watt, 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 TS
• RCA inputs
• 1/8-inch stereo headphone output