JBL PRX-718-XLF (18 inch 1500 Watt Powered Subwoofer)

The PRX718XLF has a highly efficient Class-D amplification drives Maximum Sound Pressure Levels are the best indication of the performance of a powered speaker and all PRX700 Series excel in this critical specification. JBLs ability to maximize the speaker and amplifier performance guarantees ample power, accurate dynamics and sonic purity.

Road Tough Construction
Built from a combination of 25 mm (on the top and bottom for added rigidity) and 18 mm, strong, light-weight poplar plywood made structurally sound with tongue and groove joints. JBLs tour proven Dura Flex finish, grilles from dent-resistant 16 gauge steel, and light-weight glass-filled nylon handles ensure strength and durability. A seriously rugged package that will withstand the brutality of constant road use.


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The PRX718XLF is the next step in the highly successful PRX Series and introduces the first use of JBLs patented Differential Drive Technology with ferrite drivers. Differential Drive technology incorporates lower mass in the ferrite magnet for reduced weight while maximizing power amp efficiency for greater heat dissipation and increased power handling. Powering the PRX718XLF is a 1500 Watt high performance, exceptionally low distortion biamplification system engineered to deliver clean power with maximum headroom to efficiently deliver rich, deep bass response even at very high sound power levels. Compact, ultra-lightweight, the PRX718XLF uses JBLs tour tested technology throughout so you can trust it to deliver a lifetime of reliable performance.

JBL PRX718XLF Specifications:
-Power Rating: 1500 W
-Frequency Range (-10 dB): 30 Hz – 103 Hz
-Frequency Response (3 dB): 35 Hz 87 Hz
-Internal Crossover Frequency: 90 Hz DSP controlled 48 dB filter slope
-Loop out Crossover Frequency: 120 Hz analog 24 dB filter slope
-Maximum SPL: 134 dB peak
-Signal indicators: Limit: Yellow LED indicates peak output has been reached and dsp limiter is acting
-Signal: Green LED indicates signal present
-Power/Standby : Blue indicates system has power and ready to pass audio, Red indicates system has power but is in a power saving mode and will not pass audio.
-Dynamic Control (Input): dbx Type IV limiter circuit
-Input Impedance: 20K Ohms (balanced)
-Polarity: normal or reverse polarity
-LF Driver: 1 x JBL 2278G 18″ woofer
-Enclosure: Rectangular, 18 mm, plywood
-Suspension / Mounting: M20 threaded pole socket on top
-Transport: 2 x injection molded handles with backing cup
-Finish: Obsidian DuraFlex finish
-Grille: Powder coated, Obsidian, 16 gauge perforated steel with acoustical transparent black cloth backing.
-Input Connectors: Two Balanced female XLR/ 1/4″ combo connectors
-Output Connectors: Two balanced male XLR connectors.
-Dimensions: 27.18″(H) x 20.6″(W) x 28.5″(D)
-Net Weight: 81 lb