The Bag End INFRASUB-18 is a self powered subwoofer system employing a direct radiating 18" cone loudspeaker in a sealed enclosure and a 400 Watt power amplifier mounted to an aluminum plate on the back of the enclosure. The amplifier also includes a built in ELF™ dual integrator providing a flat acoustical response down to 8 Hertz, well below the audible range of human hearing.

Available in Studio Black, and High Gloss Black or White.

Enclosure:	3/4" MDF
Low Frequency Transducer:	EL-18P 18" Cone
Amplifier Output Power:	400 Watts continuous sine wave
ELF Module:	Patented 8 Hz dual integrator
System Type:	3.0 cu. ft. Sealed box
Driver Nominal Impedance:	4 Ohms
Input Connectors:	L, C, R channel line level RCA jacks;L & R speaker level terminals
Hi-Pass Outputs:	Left, Center and Right channel line level RCA jacks
Hi-Pass Filters:	12dB per octave, -6dB at 95 Hz
Frequency Response:	±3 dB 8 Hz to 95 Hz (2pi Steradians)
Overload Protection:	Preset threshold Concealment™ circuitry
Fuse:	6.3 Amp GDC for 120 Volts; 3.15 Amp GDC for 220 Volts
Finish:	Black matte vinyl laminate
Dimensions:	23.5"h x 21.5"w x 18.5"d 59.7cm x 54cm x 46.3cm
Weight:	91 lbs. (41.05 kg)