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PreSonus StudioLive 18sAI 18" Active Subwoofer with AI Technology
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      PreSonus StudioLive 18sAI 18" Active Subwoofer with AI Technology (110126497)
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Power, accuracy and control.

Perfect for contractors, bands, DJs, venues and anyone who needs a system with powerful low end, the StudioLive 18sAI active PA subwoofer features a powered 18-inch, ferrite driver that will deliver the bottom you need with an accuracy usually found only in studio monitors.

The StudioLive™ 18sAI’s Active Integration 32-bit, 96 kHz DSP gives these groundbreaking new subwoofers studio-monitor accuracy and delivers wireless and wired control of all setup, tuning, and monitoring functions, using free SL Room Control software for Mac®, Windows®, and iPad®.

Although it is designed to complement the full-range StudioLive AI speakers, the StudioLive 18sAI is flexible enough to work with other powered loudspeakers. An adjustable (0, 2, or 4 feet) alignment delay allows the subwoofer to be placed in different positions relative to a full-range speaker system and correctly combine with them. When used with a StudioLive 312AI, 315AI, or 328AI, the StudioLive 18sAI forms a true four-way system. The StudioLive delivers those low frequencies with plenty of muscle, thanks to its 1,000 watt (bridged), Class D power amplifier.

Connections are straightforward, with stereo line inputs (XLR/¼-inch combo) and full-range, switchable stereo/summed-mono line outputs (XLR).

The lightweight plywood enclosure includes ergonomic side handles, an integrated pole insert, and interlocking stacking provisions for use with a full-range system such as those in the StudioLive AI series. These features are important but what makes the StudioLive 18sAI special is its amazing accuracy and control features—the result of PreSonus Active Integration technology.
Products that sense each other, interact and work together via wireless and wired communication, feature 32-bit floating-point DSP and seamlessly integrated software, and run on powerful CPUs is the coming wave of live audio. PreSonus has realized this dream with its new Active Integration technology.

Active Integration incorporates communications, wireless networking, and huge amounts of DSP into a specialized, custom chip. Essentially, Presonus has put a computer into these speakers, with enough processing power to handle not only the specialized algorithms for tuning the system to near-perfection but also providing extensive remote control over system performance, the variable low-pass filter, and much more.

As with the full-range StudioLive AI-series systems, the StudioLive 18sAI offers the benefits of Active Integration, including remote control and wireless control—over output level, user-adjustable contours and more, and uses 32-bit floating point DSP for the variable crossover, dynamic limiting, and excursion limiting.

Every Active Integration product—including StudioLive AI-series speakers—include both wired and wireless communications. The included USB Wi-Fi LAN adapter enables wireless networking. Wired communications are provided via an installed option card with an Ethercon port that connects to your Ethernet-based LAN network.

The master control center resides in SL Room Control, a rich, easy-to-use, system-configuration software application for Mac®, Windows®, and iPad that offers individual or group control of all StudioLive AI-series speakers on the network. SL Room Control gives you control over most onboard controls and lets you monitor key performance indicators.

With SL Room Control, you can full configure, tune, and monitor networked StudioLive AI PA speakers from anywhere in the venue. You can even visually display the room layout on a laptop or iPad. But active Integration doesn’t stop at remote control. Swap out your StudioLive loudspeaker’s Ethercon control card for the StudioLive Dante upgrade, and you can ditch those analog cables.

PreSonus StudioLive 18sAI 18" Active Subwoofer with AI Technology Features:

  • 18-inch transducer with 1,000 watt, Class D amplifier
    Active Integration 32-bit, 96 kHz DSP with variable crossover, dynamic limiting, and excursion limiting
    Wireless networking with free SL Room Control software for Mac®, Windows®, and iPad® enables complete setup, tuning, and monitoring
    Stereo line inputs (XLR-¼” combo) and switchable stereo/summed-mono line outputs (XLR)
    Alignment delay (switchable: 0, 2, or 4 feet) enables subwoofer to be placed in different positions relative to a full-range speaker system
    Integrated pole insert and interlocking stacking provisions
    Active Integration 32-bit, 96 kHz DSP with more processing power than three rack speaker processors
    Wireless or wired networking with SL Room Control for complete setup, tuning, and monitoring from anywhere in your venue.
    Network Setup Wizard automatically detects each speaker and allows you to quickly connect to your wireless router network.
    Remote control over Maximum SPL/output level, high-pass filter, onboard operational modes, performance monitoring, mute, speaker delay, polarity, and variable crossover
    Variable low-pass filter
    Visually display room layout on a laptop or iPad
    Edit, save, recall, and share speaker-setup parameters
    Universal Switch mode power supply with power-factor correction
    Comfortable, ergonomic handles
    Ships with Ethernet connection for wired control


PreSonus StudioLive 18sAI 18" Active Subwoofer with AI Technology Specifications:

  • Power Capacity 1,000W, Class D
    Low Frequency Driver 18" ferrite
    Enclosure Material Plywood
    Input Connections 2 x XLR/TRS combo (1 x L/R)
    Output Connections 2 x XLR line outputs— switchable: 1 x L/R or 2 x mono-sum
    Dimensions (W x H x D) 25.98x 21.85 x 24"
    Weight 94lb


PreSonus StudioLive 18sAI 18" Active Subwoofer with AI Technology

One year parts and labor warranty.

Get your gear covered!

Now you can get added warranty protection for your new gear. Pro Coverage steps in where the manufacturer's "normal wear and tear" ends. Our PRO COVERAGE program offers you UPGRADED COVERAGE if your product ever fails!

Pro Coverage includes:

  • Accidental damage protection (new gear only)
  • Expedited Repair
  • Free Shipping (for returns or repairs)
  • 100% Coverage for Commercial Use
  • Extended Return Period
  • Extended Price Protection
  • No Lemon Guarantee
  • Free Transfer of Coverage to a new owner
  • Repair Costs Covered for up to 3 years from date of purchase
  • Repairs Can Be Authorized Toll-Free by Phone or the via the web
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