1 in　Driver Unit,　horn Tweeters, (SY-2542S)

Specifications:

Throat Diameter :      1 in (25mm) 

Mounting Type :       Screw on 1 3/8″

Nominal Impedance:    8 Ohm

Power Capacity :       30Watts RMS

Sensitivity(1W/1M):    110dB

Frequency Range :      1.5KHz-20KHz 

Diaphragm Material:   Phenolic

Voice Coil Diameter :   1 in(25.4mm) 

Voice Coil Material :   Round Aluminium Wire 

Flux Density:          1.7T

Magnet:             Strontium Ferrite

Overall Diameter × Depth:

  80mm (3.15in) × 68.5mm (2.7in)

Net Weight:          0.78Kg