640R Double 15″ Vented Subwoofer



This is a stunning double 15” subwoofer with optional caster board. This powerhouse uses two massive 15” woofers with 4” voice coils for low power compression.



System TypeVented Subwoofer
Program Power (Watts)4000 W
Nominal Impedance (Ohms)4 Ohms
Sensitivity (dB @ 1Watt/1m)100
Max SPL (dB)136
Frequency Response (Hz +/- 3dB)42 – 250 Hz
Crossover Frequency (Hz)80-100 Hz Recommended
Driver Configuration2 x 15″
Inputs2, Paralleled
Inputs – Speakon Neutrik2 NL4
CornersOn carpeted version
Flying Hardwareno
WheelsOptional Caster Board
Bar Handles8 Handles
Enclosure Materials3/4″ 11 Ply Birch
Grille16 Ga. Perforated Steel
Finish / CoveringDuraBlast polyurea coating
Dimensions (DWH xback W, inches)21 1/4 x 22 1/2 x 38 inches
Dimensions (DWH xback W, cm)53.9 x 57.15 x 96.52
Weight (lbs/kg)180 lbs / 81.81 cm