Presonus Eris E66

Components and construction

Dual 6.5-inch, custom-woven Kevlar® LF/midrange drivers produce dynamic, size-defying bass output
1.25-inch, silk-dome HF driver ensures smooth high-frequency performance that is never fatiguing to the ears
Balanced XLR, balanced ¼-inch TRS, and unbalanced RCA inputs provide flexibility for seamless integration into any environment

User controls

Acoustic tuning controls help to compensate for room anomalies, providing a consistent frequency response customized for your mix environment
Continuously variable HF and MF controls (-6 to +6 dB)
Low-cut filter (flat, 80 Hz, 100 Hz)
Acoustic Space settings (Flat, -2 dB, -4 dB) compensates for room placement

Power and safety

90W/140W Class A/B bi-amplification for an open, clear sound
RF interference, output-current limiting, over-temperature, and subsonic filter protection
Amplifier “soft start” feature eliminates popping on power-up
Internal power supply with IEC connector