זוג מוניטורים PreSonus E4.5 BT Bluetooth

FL-D

Eris E4.5 BT
Features
Components and construction
4.5-inch (114 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
Bluetooth pairing button

Power and safety
50 watt (25W/side), Class AB bi-amplification
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
Stereo Bluetooth 5.0 wireless input
Balanced ¼-inch TRS, unbalanced 1/8-inch stereo, and RCA inputs
Integrated stereo headphone amplifier with front-panel 1/8-inch output

Technical Specifications
Inputs
Bluetooth 5.0
1- Stereo 1/8″
2- Balanced ¼” TRS
2- Unbalanced RCA

Performance
Frequency Response 70 Hz – 20 kHz
Crossover Frequency 2.8 kHz
Amplifier Power 25W/speaker
LF Driver 4.5″
HF Driver 1” silk dome
Peak SPL (@ 1 meter) 100 dB
Input Impedance 10 kΩ

User Controls
Volume Range A-type taper
MF Control Variable (-6 to +6 dB, center 100 Hz)
HF Control Variable (-6 to +6 dB, center 10 kHz)

Protection
RF interference
Output-current limiting
Over-temperature
Turn-on/off transient
Subsonic filter
External mains fuse

Power
100-120V ~50/60 Hz or 220-240V ~50/60 Hz

Cabinet
Vinyl-laminated, medium-density fiberboard

Physical
Width 5.6″ (141 mm)
Depth 6.4″ (162 mm)
Height 8.3″ (210 mm)
Weight (per pair) 6.4 lb. (2.9 kg)