PreSonus Eris - Manual (Page 4)

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1.2. Summary of Eris E4.5 Features
1.2. Summary of Eris E4.5 Features
• 1” (22 mm) silk-dome tweeter
• 4.5” Kevlar woofer
• Peak SPL: 100 dB
• Frequency response: 70 Hz to 20 kHz
• Class A/B amplifier
• Balanced ¼” TRS and unbalanced RCA inputs
• 1/8” headphone output
• 1/8” stereo Auxiliary input
• Front-panel volume control
• Rear bass-reflex port
• High-frequency shelf EQ with ± 6 dB of
boost/cut centered at 10 kHz
• Mid-frequency peak EQ with ± 6 dB of
boost/cut centered at 1 kHz
• Low-frequency cutoff switch (flat, 80 Hz,
100 Hz) with -12 dB/octave slope
• Acoustic Space switch (0, -2 dB, -4 dB) to
compensate for bass boost near a wall