High-level car audio midwoofer.
The key features of Scan-Speak ‘Silver’ 16W/4531G06 are sliced cone (which effectively controls own breakups), patented Symmetrical Drive motor with compact but powerful nedynium magnet and low dampling SBR-surround.
Nominal impedance [Zn]: 4 Ω
Resonance frequency [fs]: 51 Hz
Sensitivity [2.83 V⁄1m]: 88 dB
Equivalent volume [Vas]: 12.6 l
Total Q factor [Qts]: 0.59