Saturn-903MD-S4

3.5''Bamboo Pulp with Glassfiber Felt Coated / SB-Rubber

Voice Coil PH NOMEX EI-Copper 1.0 Inch

Material of Magnet NdFeB

Diameter of Magnet 25mm/pcs

Dustcap Aluminum

Faraday Ring Copper

20 Watts RMS / 70 Watts PEAK 

Resonance Frequency 125.992 Hz

Frequency Response（Free Air） Fo~10000 Hz

Sensitivity(1W/1M) 86±3db