Stereo Integrity DS4 18 inch Subwoofers

Stereo Integrity DS4 18 inch Subwoofers Introduction

Selling Pair of used Stereo Integrity DS4 18 inch Subwoofers, both subwoofers can be used in Home Theatre or Car Audio they have 4" dual voice coils and 1250 watts rms rating, they both have very little play time and work excellent, I have a custom built 6.5 cu ft box tuned to 26 hz that was used in hoke theatre I can sell for extra $ built out of Baltic birch, $600 for both subwoofers, located in saskatoon, first come first serve Specs: Re: 3.9 Ohms Fs: 18.7 Hz Qes: 0.65 Qms: 2.19 Qts: 0.50 Le: 1.52 mH Sd: 121736.4 mm^2 (18869 in^2) Vas: 270 L BL: 19.9 Mms: 561.42 g Cms: 128.2 uM/N SPL; 86.1 dB 1W/1M SPL: 89.1 dB 2.83V/1M Xmax: 27 mm Xmech: 50 mm