This was used on the weekends in a DJ/Karaoke Setup for approximately 2 years, the speaker sounds as good as the day it was bought, original price was $1500.00. If you need bass this has more than enough to let your entire block know what you're listening to. Self powered, all you need to do is plug it in. Exact specifications below.



PRX618S-XLF Subwoofer:
http://www.jblpro.com/www/products/vintage/vintage-portable/prx600-series/prx618s-xlf

• Maximum SPL 133 db peak
• 460mm (18 in) Differential Drive® dual voice-coil and magnetic gap, neodymium woofer
• 1000 Watt (2 x 500 watt) Class-D, Crown® digital amplifier
• DSP input section with dbx® Type IV™ limiter circuit, crossover, dynamic limiting, component optimization, selectable system EQ
• Professional XLR line and ¼" Mic/Instrument inputs, with loop through
• Obsidian DuraFlex™ coated plywood construction
• Top panel M20 pole mount socket for sub/satellite configuration
• Large die-cast aluminum handle bar with a fine tuned ergonomic rubber grip for maximum comfort