680R Double 18″ High Output Installation Subwoofer



The 680R is a low-profile, high-output subwoofer. It’s designed for applications where height of a standard front firing subwoofer would present a problem. Designed with install applications in mind, it’s 3 dB down point is 36 Hz in a typical situation. The enclosure uses two heavy duty 18” woofers with 4.0” voice coils.



System TypeQuasi 5th Order Bandpass
Active or PassiveActively Crossed at 80Hz
Program Power ( Watts )4800 W
Bi-ampable yes
Biamp operation onlyyes
Nominal Impedance (Ohms)2 x 8 Ohms may be configured for 4 Ohms
Sensitivity (dB @ 1Watt/1m)101 dB
Max SPL (dB)134 dB Long Term
Frequency Response (Hz +/- 3dB)36-400
Crossover Frequency (Hz)80Hz or Below
Driver Configuration2 x 18″
HF Driver(s)1
LF Driver(s)Two 18″with 4.5 ” Voice Coils
LF Program Power ( Watts )2400W each driver
LF Impedance (Ohms)2 x 8 Ohm or 4 Ohm
InputsBarrier Srips
Inputs – Speakon Neutrik 4-pinOptional
Flying Hardwareno
Bar Handlesno
Enclosure Materials3/4″ to 1″ Birch
16 Ga. Perforated Steel
Finish / CoveringBlack Durablast Polyurea Coating
Optional Finish / CoveringOther Colors available
Dimensions (DWH xback W, inches)55.5 x 42 x 16.75 inches
Dimensions (DWH xback W, cm)140 x 107 x 42.5 cm
Weight (lbs/kg)195 lbs / 88.6 kg