A-Series Subwoofer with Dual 4ohm Voice Coils (12") Home Theater Systems & Soundbars Adjustable alarm volume

Adjustable alarm volume

End-of-life timer signals when the detector needs replacing

Four 11" rolls

Includes mounting brackets

A-Series Subwoofer with Dual 4ohm Voice Coils (12") Home Theater Systems & Soundbars Adjustable alarm volume1,500W max; 500W RMS; 12" glass fiber & mica interlaced Injection Molded Polypropylene (IMPP) cone construction; Butyl rubber surround & polycotton dual cotton spider for strength & linearity during high excursion; Dual 4ohm voice coils; Oversized 60oz double stacked magnet & vented pole yoke for increased power handling; Freq resp: 20Hz to 2. 3kHz; Sensitivity: 77dB; Recommended enclosure size range: . 85 cu ft 2 cu ft ; Mounting depth: 5. 8";