10" subwoofer
Die-cast aluminum basket
Ferrite magnet(40OZ)
Cloth edge and non-pressed paper+glass fiber cone
High-temp black oxidizing aluminum foil voice coil

Specifications:
Nominal diameter:10" (25cm)
Power rating: 240watts
Sensitivity: 99dB
Frequency response:52-3.2khz
Voice coil diameter: 2.5",CCAW winding