Intuitive and powerful. The JBL PRX818XLFW is an 18 Active PA Subwoofer with built-in WiFi for intelligent wireless control. Using the free PRX Connect app for iOS and Android you can control your subwoofer and system parameters from anywhere in the venue. An 8-band parametric EQ up to 50ms of speaker delay muting gain and more can all be accessed from the palm of your hand. No more contorting and squinting to adjust the knobs on the back of your speaker just great sound in seconds. A highly-efficient Class-D amplifier provides 1500W of venue-filling power to drive the 18 Differential Drive LF woofer. The transducer is designed to provide class-leading sonic performance whilst remaining lightweight and reliable. Alongside redesigned Crown input technology as well as updated tuning the JBL PRX818XLFW delivers an audio experience that neither you or your audience will ever forget. The PRX800 Series – Phenomenal Sound with Intuitive Control JBLs PRX800 series is the first series of PA systems in its class to offer complete wireless control. The innovative PRX Connect app for iOS and Android devices connects wirelessly to each unit in the system simultaneously providing you with full control over the sophisticated built-in DSP. Offering control over an 8-band parametric EQ speaker delay of up to 50ms mute gain and much more the PRX Connect app lets you get the perfect sound in seconds. This also provides you with the ability to walk around the venue during sound check and fine-tune the speakers to ensure optimal sound quality. PRX Connect also makes it easy to configure shows offline and save presets for instant recall in the future. Next-Generation Technology The JBL PRX818XLFW features an 18 Differential Drive® LF woofer that is designed to deliver sub bass frequencies with outstanding accuracy and power. The patented JBL Differential Drive® technology reduces magnet mass and increases the power handling capabilities while the updated tuning delivers flat frequency responses and smooth off-axis behaviour. At the core of the input section is the incredibly sophisticated and powerful DSP which features user-selectable system EQ protection input sensitivity selection cross-over functionality dynamic limiting and discrete component optimisation. Professional Quality and Reliability All PRX800 cabinets are built from a combination of 25mm (on the top and bottom for additional rigidity) and 18mm lightweight plywood with incredibly strong tongue and groove joints. Additionally the cabinets are finished with JBLs tour-proven DuraFlex™ finish which provides additional durability. The grilles are made from a dent-resistant 16-gauge steel while all of the M10 mounting points (mid-high/full-range units only) are constructed from 14-gauge steel and have been tested with a yield-strength of 1000lbs each. With the PRX800W family were excited to give bands and DJs more control over their live sound than ever before. Users can now shape their sound wirelessly right from the palm of their hand ensuring the best possible listening experience for themselves and their audiences. PRX800W is by far our most advanced and portable PA and represents the next generation in smart live sound reinforcement. – Craig Lambrecht Retail & Recording Solutions HARMAN Professional Solutions. Features Built-in WiFi for wireless control of your system from anywhere in the venue Free PRX Connect mobile app for iOS and Android provides wireless control over volume levels 8-band parametric EQ and up to 50ms of speaker delay to fine-tune your sound Class-leading 1500-watt amplifier delivers ample power to fill your venue JBL Differential Driver® transducer for higher SPL performance with a lightweight design Redesigned Crown input technology including XLR 1/4 and RCA inputs plus XLR loop-through Intelligent variable-speed fan activated only when needed to help keep noise to a minimum Updated tuning delivers a flat frequency response and smooth off-axis behaviour Durable wooden cabinet with a tour-proven DuraFLex™ finish and a dent-resistant 16-gauge grille Universal power supply allows for excellent compatibility all over the world dbx Type IV™ limiting ensures clear accurate sound at high volumes Brutal testing regimen including the famous JBL 100-hour power test ensures reliable performance Specifications System Type: Self-powered 18 subwoofer Maximum SPL Output: 134dB peak Frequency Range: 30Hz – 103Hz (-10dB) Frequency Response: 35Hz – 87Hz +/-3dB Input Connectors: 2 x balanced XLR-1/4 combi-jacks Input Impedance: 20K Ohms (balanced) Signal Indicators: Limit: Yellow LED indicates peak output has been reached and the DSP limiter is acting Signal: Green LED indicates signal present Power: Blue LED indicates system has power and is ready to pass audio Dynamic Control: dbx Type IV™ limiter circuit (input) System Low-Pass: 80Hz Loop Out Crossover Frequency: 80Hz digital 24dB/Octave Linkwitz-Riley filter Amplifier Design: Highly-efficient Class-D amplifier Power Rating: 1500W LF Driver: 1 x JBL 2278G (18) woofer Enclosure: Rectangular 18mm birch-poplar mix Transport: 2 x injection-moulded handles with backing cups Finish: Obsidian DuraFlex™ Grille: Powder-coated Obsidian 16-gauge perforated steel with acoustically-transparent black cloth backing AC Power Input: 100V – 240V 50/60Hz Dimensions: 692mm x 523mm x 724mm / 27.26 x 20.6 x 28.5 (H x W x D) Weight: 36.28kg / 80lbs