제품은 EV사에 FRX+940스피커 입니다.

스팩을 보다가.

Connectors: Two barrier strips


Environmental Spec: IEC 529 IP24, (PI Version IP44)MIL STD 810

이부분이 무엇을 의미하는지 잘 모르겠네요

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Freq. Response1(-3 dB): 60Hz-15kHz
Freq. Range1(-10 dB): 52Hz-16kHz
Max Calculated SPL: 133 dB
Horizontal Coverage: 90°
Vertical Coverage: 40°
LF Power Handling: 400W Continuous, 1600W Peak
HF Power Handling: 60W Continuous, 240W Peak
Passive Power Handling: 400W Continuous, 1600W Peak
LF Sensitivity (Bi-Amp): 104 dB, 1W/1m
HF Sensitivity (Bi-Amp): 109 dB, 1W/1m
Passive System
Sensitivity:
104 dB, 1W/1m
Impedance: 8 ohms (Nominal), 7.2 ohms (Min.)
LF Transducer: DL15X 15" (381mm) Driver, 8 ohms
HF Transducer: DH2t 2" (51mm) Diaphragm Comp.
Driver, 8 ohms
Passive Crossover
Frequency:1350 Hz
Connectors: Two barrier strips
Enclosure Material: 13-ply Birch plywood
Grille: 16 GA steel (PI Version Stainless Steel)
Environmental Spec: IEC 529 IP24, (PI Version IP44)MIL STD 810
Transformer: See Page4
Dim (H x W x D): 31.5" x 28.5" x 27.0"(800 x 724 x 686 mm)
Net Weight (each): 152 lbs (69.0 kg)
Shipping Weight: 157 lbs (71.2 kg)
General Description:FRX+940/FRX+940PI 15-Inch Two-Way

Horn-Loaded 90° x 40°
Coaxial Speaker System
Key Features:
• Pattern Control to 500 Hz
• 90° x 40° coverage
• Built-in L-track rigging
• Available in black, white and
unfinished
• Passive or bi-amp operation
• High sensitivity, 104 dB
• Ring-Mode Decoupling / RMDTM
• Full Coaxial Design
• Weatherized Version Available (FRX+940PI)
1 Full Space measurement. Half Space use will improve LF response.