JBL PRX718XLF 1500W 18" Powered Subwoofer (Discontinued)


96 out of 100. Incorporating 60+ ratings and reviews.

Street Price: 

JBL PRX718XLF 1500W 18" Powered Subwoofer

Gearank High Notes

Although the JBL PRX718XLF is no longer readily available brand new, we have made our meta-review available for anyone who's considering buying one second hand. The Gearank score was based upon research done when these were selling new with a street price of $799.

The PRX718XLF subwoofers are designed to be used as a single sub or in an array and are stackable or can be mounted on a pole.

They are used in a wide range of settings from band to DJ gigs and also in houses of worship.

The stereo inputs use DSP to provide selectable cross-over functionality, polarity optimization, dynamic limiting , protection, and discrete component optimization


  • Frequency Response: 30 Hz to 103 Hz (-10 dB)
  • Crossover: 100 Hz
  • Max SPL: 134 dB peak
  • Power Rating: 1500 Watts
  • Driver: 18"
  • Input Connectors: 2 x balanced female XLR/ 1/4" combo connectors
  • Output Connectors: 2 x balanced male XLR connectors
  • Polarity: Normal or reverse
  • Enclosure Material: 18mm plywood
  • Dimensions: 27.18" x 20.60" x 28.50"
  • Weight: 81 lb.


These received great reviews from musicians, DJ's, church sound engineers and sound engineers in general with one of the most common compliments being that these produce an excellent sound for the money. Several people mentioned that they only have to turn them up half way to get loud and clear bass sounds. Several people said they liked the sound so much that they bought a second one.


As you can imagine, with such a high Gearank score there were no consistent complaints. A couple of people did mention that they are heavy compared to smaller 15" subwoofers.


These are well liked for just about any type of music or setting where you want a clear and punchy bottom end.