S-Series 4 Inch 2-Way Coaxial Speaker
 
Woofer
CFRP (Carbon Fiber Reinforced Plastic) cone with spezialised rubber surround
HAMR (High Amplitude Multi-Roll) Surround
25 mm Voice Coil
Magnet Material: Ferrite
Tweeter
Tweeter Type: 1″ Wide-Range Silk Dome
Magnet Material: Neodymium
 
Power Handling
Peak Power: 140 Watts
RMS Power: 45 Watts (CTA-2031 Compliant)
General
Frequency Range: 97 Hz – 22 kHz
Impedance: 4 Ohms
Sensitivity: 86 dB/W