DS18 BD-X154D Bl4ck Di4mond Series 1400 Watts Max 15-Inch Luxury Subwoofer Bass 4+4-Ohms Voice Coil in Derby, Derbyshire for sale

DS18 BD-X154D Bl4ck Di4mond Series 1400 Watts Max

Brand new in a box.
I got 4 available but not going to negotiate this price as it is lowest I can sell. Price is £80 each
Check reviews online and try to find cheaper.
I do not deliver and do not post so please save your time and do not ask.
Collection only.
Technical Details
15" Inches 550 Watts RMS Subwoofer, 1,400 Watts Max Power.
88dB Sensitivity and 35-3.6KHz Frequency. 6.77" Mounting Depth with a 2" 4+4-Ohms Voice Coil
85 Oz. Magnet. Optimum Sealed Enclosure Ft. 3/L: 1.48FT/42.1L
15.47" Overall Diameter, 12.94" Baffle Cutout Diameter, 4+4 Ohms Minimum Impedances, 2" Voice Coil Diameter
Thiele & Small Parameters: FS: 35Hz. Re: 3.2 Ohms + 3.2 Ohms. Qes: 2.311. Qms: 6.703. Qts: 1.718. Vas: 240.267L