DD AUDIO 4" 100 WATT VOICE OPTIMIZED PRO AUDIO NEO MIDRANGE (VO-MN104)

4 inch neodymium midrange speaker
Power handling: 100 watts RMS
Impedance: S4
Frequency response: 140 Hz – 18 kHz
Treated long fiber paper cone with cloth surround
Ultralight former cap extends upper frequency response
25 mm (1.0 inch) vented Kapton former with CCA wire
Main neodymium ring magnet
Low inductance and low distortion Faraday shorting ring motor
Voice coil diameter (VCD): 1 inch
Resonant frequency (Fs): 140 Hz
Qms: 3.4
Qes: 1.02
Qts: 0.79
Vas: 1.5 liters
Sensitivity: 93.5 dB SPL
BL: 3 TM
Xmax: 2 mm
Suspension travel: 7 mm
Mounting diameter: 3.7 in (94 mm)
Mounting depth: 1.875 in (47.7 mm)