JBL SRX818S 18-inch Passive Subwoofer

FEATURES

• Differential Drive® Technology — Utilizes JBL’s patented Differential Drive drivers with lightweight ferrite magnets and 3″ voice coil for increased efficiency and reduced distortion.
• Tunings & Presets Available — Supported presets for Crown amps (e.g., ITech HD / XTI 2) and dbx signal processors integrate the sub into larger systems with optimal performance.
• Flexible Deployment — Features M10 suspension points, indexing feet for standard or cardioid stacking, and a standard M20 pole cup for mounting additional tops.
• Powerful Low-Frequency Output — Delivers strong, deep bass with a large 18″ woofer (model 2279H) engineered for low distortion and extended LF response. 
• Passive Design for Flexibility — Passive subwoofer can be driven by external amplifiers, allowing system designers to tailor power and DSP as needed. 
• Purposeful, Road-Ready Design — Built with rugged 18 mm plywood enclosure and Obsidian DuraFlex™ finish to withstand touring and heavy use.
• Professional System Integration — Fully supported in JBL’s Audio Architect system-design software for advanced setup and control.
• High Power Handling — Handles up to 2400 W peak, 1200 W program, and 600 W continuous power for robust performance. 
• Strong SPL Capability — Produces up to 129 dB peak sound pressure level for impactful coverage in large venues.
• Wide Low-End Frequency Range — Supports 28 Hz – 150 Hz (–10 dB) response for deep sub-bass performance.

SPECIFICATIONS

• Inputs - NL4 (Speakon) input and NL4 loop-through (±1 or ±2 selectable)
• Dimensions (H × W × D) - 26.9″ × 26.9″ × 22.6″  (683 × 684 × 575 mm)
• Enclosure Material - 18 mm plywood with Obsidian DuraFlex™ coating
• Grille - Powder-coated steel with acoustically transparent cloth
• System Type - Passive 18″ subwoofer system (bass-reflex design) 
• Crossover Frequency - ~80 Hz (internal passive alignment)
• Operational Mode - Passive (requires external amplifier)
• Frequency Response (±3 dB) - 45 Hz – 150 Hz
• Frequency Range (–10 dB) - 28 Hz – 150 Hz
• LF Driver - 1 × 18″ woofer (JBL 2279H)
• Pole Mount - M20 threaded pole socket
• Sensitivity - ~95–96 dB (1 W/1 m)
• Power Handling:
                - 600 W Continuous
                - 1,200 W Program
                - 2,400 W Peak
• Maximum SPL (Peak) - ~135 dB 
• Finish - Obsidian DuraFlex™ 
• Handles - 4 rugged handles
• Nominal Impedance - 8 Ω 
• Weight - 78 lb (35.4 kg)
• UPC - 691991001659

IN THE BOX

• 1 × SRX818S 18″ passive subwoofer cabinet 
• Owner's manual

Shipping

We can ship to virtually anywhere. Note that there are restrictions on some products, and some products cannot be shipped to international destinations. 
 
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes and products page. Our usual shipping time is 3 - 9 business days. It can take up to 2 days to verify payment.

The customer will be charged for shipping at the same time of purchase of product ~ if product is not listed as free shipping ~ . A tracking number will be sent to the customers email as soon as the order is shipped out. We generally ship out orders depending on product availability. We will periodically send updates of the orders location along the shipping route to the customers email.

We go by the shipping/delivery information that the shipping company sends us as well as displays on their website. If the information they display says that your package has been safely delivered, then that is the final determination that we will go by. If a customer claims to have not received an order, we will refer back to the proof of delivery that is displayed on the shippers website as the final verdict of proof of delivery and the customer must take up their concerns with the shipping company.

To reflect the policies of the shipping companies we use, FedEx, UPS, DHL, etc. do not deliver on the weekends.

We work very hard to ensure that we offer the absolute best prices online.  If you find another online store that offers a lower price and offer then us within 2 weeks of your purchase date please let us know and we will refund you the difference in price.  We want you to feel confident that you are getting the absolute best price for the product you are ordering.  If you find that our own website has a lower price for the same item you have ordered within 2 weeks of your purchase date will refund the difference as well.

To request your partial refund simply e-mail us a link to the same product on our website, or on our competitors website within 2 weeks from the date of your order and we will process the credit accordingly.

Our 100% Price Guarantee has some limitations:

• You must purchase the item from our website before requesting your Price Match Guarantee
• Promotions such as rebates and buy one, get one free offers are not eligible
• The item must be in stock on the competitors website
• The competitor must be an online store, they may not have a retail location.
• The website can not be a discounter or auction website (ie; eBay, overstock, etc..)
  
• The competitor must be an Authorized Retailer of the product in question
• The Price Match Guarantee includes the item price and the shipping charges, it excludes sales tax
• Excludes custom made products