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QSC Audio  |  SKU: I876639-N

QSC LS218 5,000W Dual 18-Inch Powered Subwoofer

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$4,45095 USD
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About Inventory Status

Questions? Call or text us at 301-946-8808.

In stock: It is in stock and available to ship or pickup. Apparel must be shipped from another location and is not available for in-store pickup. We can usually ship or have these items available for pickup by the next business day if they don't require inspection, special handling, or setup. Our pickup location is 11151 Veirs Mill Rd. Silver Spring, MD 20902.

📆 Preorder: It is on the way to our warehouse. We can't predict when preorder items will arrive due to current supply chain issues. If you place an order for one of these items someone will contact you to estimate the delivery date.

Out of stock: We don't currently have it available but you're not out of luck yet. We still may be able to get it. If you order one of these items we will contact you with an estimated fulfillment date. You have the option to cancel the order if you change your mind.

Special order: The item is so special that it needs to be custom ordered for you. Some of these items are works of art and have to be made individually. Orders for special order items must be prepaid and we cannot accept cancellations or refunds.

█ Sold out: We don't think we can get this item because it was either discontinued by the manufacturer or was limited in quantity. If you want or need this item call or text us. Sometimes we can help you track down the item through other sources or help you find something similar.

About Item Conditions

Questions? Call or text us at 301-946-8808.

New: The item is brand new as received from the manufacturer with a full manufacturer warranty. Instruments such as guitars, snare drums, drum kits, brass and woodwind instruments may be opened for photography and quality control inspection and may not be in a factory sealed box.

Mint or Open Box: The item may have been opened and tested but has been repackaged. The original packaging may have superficial issues but the item itself and any originally included accessories are in perfect, like new condition.

Display Model: These items are so cool that we put them on display in our legendary shop. The condition is brand new as received from the manufacturer with manufacturer warranty. Rest assured, these items undergo a very careful inspection before shipping.

Demo: These items have been on our sales floor for demo purposes and will likely show signs of use. The original packaging may no longer be included, but you can be assured that you are receiving an awesome item and an awesome price.

Used: The item is used. These item may have varying degrees of wear. Please read the description for information about the condition of the item. Used items do not carry a warranty.

B or C Stock: Factory refurbished. These items were purchased from the manufacturer in a refurbished condition. They will show some cosmetic issues, but nothing that would impact performance. Being that these are sealed from the manufacturer, we generally do not open these to photograph the cosmetic issues. They are guaranteed to work and may have a limited warranty or you may purchase an extended warranty in some cases. Please see the listing description for item specific information.

Description


Add Intelligent Low End with the QSC LS218 Powered Dual 18-Inch Subwoofer

The LS218 is a next-generation, intelligent, active subwoofer featuring a brilliant combination of leading-edge innovation, refined engineering and unparalleled ease of use in an easy-to-deploy package.


  • Very high SPL output of 141 dB peak with impressive low frequency performance
  • Two 18-inch / 460 mm long excursion direct radiating driver
  • Energy-efficient, 5000 W peak power Class D amplifier module with Power Factor Correction and extremely low AC consumption
  • Acoustic Linear Phase design provides complementary coherence between QSC loudspeakers deployed in the same audio system delivering a uniform listening experience across the entire venue
  • QSC SysNav System Navigator App allows users to easily design, configure, control, monitor and apply signal processing to individual subwoofers, full arrays or groupings of both
  • Network solution includes digital audio-over-IP Dante for interoperability with other audio equipment and seamless control and monitoring integration into the Q-SYS Ecosystem via Q-SYS Inventory Extensions
  • Omni-directional or cardioid radiation modes
  • Selectable DEEP mode for extremely low frequency extension
  • Rugged wooden enclosure with Polyurea coating for lasting durability
  • Vertical or horizontal deployments with M20 threaded pole receivers combined with array frame/ground-stack adapters or loudspeaker poles
  • Complemented by LA108 and LA112 active line array loudspeakers


Delivering extraordinary audio experiences and exceptional performance via system intelligence and premium components, the LS218 is the result of a deep understanding of customer needs and application requirements. The LS218 is easy to configure and deploy for applications ranging from simple, portable, plug-and-play setups, to demanding, networked, high-tech AV productions and fixed installations.

Featuring QSC Acoustic Linear Phase (ALP) design, which permits effortless combination and coherent deployment of QSC loudspeakers within the same sound system, the LS218 also provides daisy-chain connections for analog, networked digital audio Dante and AC power PowerCON TRUE1. Two or more LS218 can be configured in a cardioid arrangement, maximizing low frequency output in front while minimizing unwanted energy around the sides and rear of the system.

Together with the LA108 or LA112 active line array loudspeakers, the LS218 can be deployed with either an array frame/ground-stack adapter or using loudspeaker poles in both horizontal and vertical orientations.


SPECIFICATIONS

General

  • Product Type: Powered dual 18-inch subwoofer
  • Model: LS218
  • Configuration: Direct radiating, active subwoofer
  • LF Transducer: 2 x 460 mm / 18-inch cone
  • Nominal Coverage Angle: Omni-directional or cardioid radiation modes
  • Maximum Rated SPL: 141 dB at 1 m peak
  • Amplifier: Class D, 5000 W peak
  • Cooling: Low noise, variable speed fan
  • Color: Black / RAL 9011

Frequency Response

  • Frequency Response: 41 Hz - 98 Hz at -6 dB
  • Frequency Range: 35 Hz - 111 Hz at -10 dB

Controls and Display

  • Controls: Rotary push encoder
  • Push Buttons: 2 x Menu and ID
  • Display Screen: 61 mm / 2.4-inch full color display area, 240 x 320 pixels
  • Indicators: Power LED, limiter active LED, standby active LED, 2 x signal LED

Connectors

  • Analog Input: XLR female
  • Analog Thru: XLR male
  • Network Connectors: 2 x RJ45 EtherCON for Dante and QSC SysNav In/Thru
  • AC Power Connectors: 2 x PowerCON TRUE1 AC power inlet/outlet

Power

  • AC Power Input: Universal power supply 100-240 VAC, 50-60 Hz
  • AC Power Consumption: 100 VAC, X A / 120 VAC, X A / 230 VAC, X A

Enclosure

  • Enclosure Material: 15 mm birch plywood with Polyurea coating
  • Grille: 16 GA powder coated steel

Dimensions

  • Dimensions Without Casters: 638 x 1023 x 696 mm / 25.1 x 40.3 x 27.4 inches
  • Carton Dimensions: 1200 x 800 x 724 mm / 47.2 x 31.5 x 28.5 inches

Weight

  • Net Weight: 83.5 kg / 184 lb
  • Shipping Weight: 96.6 kg / 213 lb

Included Accessories

  • Included Accessory: 1 x PowerCON TRUE1 power cable

Optional Accessories

  • Optional Accessories: CASTER KIT-L, SP-16X, SP-26, SP-36, COVER 1, COVER 2, Caster Cart, M10 KIT-W, LS-KIT-J

Battery

  • Battery Chemistry: Lithium manganese dioxide

Regulatory

  • Regulatory: CE, WEEE, UL, China RoHS, RoHS II, FCC Class B


Manufacturer: QSC Audio
Model: LS218
SKU: I876639-N-4-WHXB


We are Chuck Levin's Washington Music Center

Since 1958, Chuck Levin’s Washington Music Center has been the trusted destination for musicians and audio professionals across Maryland, Virginia, and Washington, D.C. Family-owned and operated, our legendary music store delivers Everything in Music®—from instruments and recording gear to pro audio, rentals, and repair services.

Our team of musicians and industry experts lives and breathes gear, helping you build the perfect setup for your next performance, studio session, or installation. As an authorized dealer for top brands, we also offer our award-winning CHUCKSCLUSIVE line—exclusive, limited-edition instruments and collaborations recognized with the NAMM Top 100 Dealer Innovation Award for redefining what a music retail experience can be.

Chuck Levin’s isn’t just a store—it’s a community built by players, engineers, and creators who share a lifelong passion for sound. Stop by our legendary Wheaton, MD showroom or contact us anytime for expert advice, product questions, or the best possible deal on your next piece of gear.


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