الوصف
PreSonus - Eris® Studio 4 (Single Piece)
Features
4.5-inch, woven-composite, low-frequency transducer
1-inch (25 mm), ultra-low-mass, silk-dome, high-frequency transducer
120˚ (H) x 60˚ (V) EBM waveguide for wide sweet spot
Front-firing acoustic port for superior bass-frequency reproduction and optimized, resonance-suppressing internal bracing
50W, Class AB biamplification
55 Hz to 20 kHz frequency response
100 dB SPL (Peak, @ 1 meter)
Acoustic Tuning controls: HF (±6 dB, continuously variable); Midrange (±6 dB, continuously variable), and Acoustic Space (flat, -2, -4 dB), plus highpass filter (Off, 80 Hz, 100 Hz)
RF interference, output-current limiting, over-temperature, transient, subsonic protection and amplifier "soft start" feature (eliminates popping on power-up)
Internal power supply with IEC connector and power switch with on/off LED
Balanced XLR and ¼-inch inputs and unbalanced RCA inputs