MartinLogan - Grotto 15, 15” Hybrid, Powered Subwoofer with Magnitude MT-2kW Amplifier, Sub Control App, and Wireless Built-In - Gloss Black

{
  "sku": 6663811,
  "upc": "810123026876",
  "url": "https://api.bestbuy.com/click/-/6663811/pdp",
  "name": "MartinLogan - Grotto 15, 15” Hybrid, Powered Subwoofer with Magnitude MT-2kW Amplifier, Sub Control App, and Wireless Built-In - Gloss Black",
  "image": "https://pisces.bbystatic.com/prescaled/500/500/image2/BestBuy_US/images/products/7263a334-af1d-4f52-8608-3ef9b7b41c0b.png",
  "details": [
    {
      "name": "Brand",
      "value": "MartinLogan",
      "values": [
        "MartinLogan"
      ]
    },
    {
      "name": "Model Number",
      "value": "GRO15GBD",
      "values": [
        "GRO15GBD"
      ]
    },
    {
      "name": "Product Name",
      "value": "Grotto 15, 15” Hybrid, Powered Subwoofer with Magnitude MT-2kW Amplifier, Sub Control App, and Wireless Built-In",
      "values": [
        "Grotto 15, 15” Hybrid, Powered Subwoofer with Magnitude MT-2kW Amplifier, Sub Control App, and Wireless Built-In"
      ]
    },
    {
      "name": "Color",
      "value": "Gloss Black",
      "values": [
        "Gloss Black"
      ]
    },
    {
      "name": "RMS Power",
      "value": "1000 watts",
      "values": [
        "1000 watts"
      ]
    },
    {
      "name": "Woofer Size",
      "value": "15 inches",
      "values": [
        "15 inches"
      ]
    },
    {
      "name": "Minimum Frequency Response",
      "value": "20 hertz",
      "values": [
        "20 hertz"
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    },
    {
      "name": "Maximum Frequency Response",
      "value": "0.12 kilohertz",
      "values": [
        "0.12 kilohertz"
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    },
    {
      "name": "Amplifier Class",
      "value": "D",
      "values": [
        "D"
      ]
    },
    {
      "name": "Enclosure Type",
      "value": "Passive radiator",
      "values": [
        "Passive radiator"
      ]
    },
    {
      "name": "Firing Direction",
      "value": "Front",
      "values": [
        "Front",
        "Side"
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    },
    {
      "name": "Subwoofer Type",
      "value": "Powered",
      "values": [
        "Powered"
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    },
    {
      "name": "Enclosed",
      "value": "Yes",
      "values": [
        "Yes"
      ]
    },
    {
      "name": "Peak Power Handling",
      "value": "2000 watts",
      "values": [
        "2000 watts"
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    },
    {
      "name": "App Compatible",
      "value": "Yes",
      "values": [
        "Yes"
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    },
    {
      "name": "Indoor Or Outdoor Use",
      "value": "Indoor",
      "values": [
        "Indoor"
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    },
    {
      "name": "Controls",
      "value": "Volume",
      "values": [
        "Volume",
        "Low pass filter",
        "Cut frequency",
        "Phase",
        "Gain",
        "Mute"
      ]
    },
    {
      "name": "Network Connector(s)",
      "value": "No network connectors",
      "values": [
        "No network connectors"
      ]
    },
    {
      "name": "Subwoofer Connection Type",
      "value": "RCA",
      "values": [
        "RCA"
      ]
    },
    {
      "name": "Product Height",
      "value": "20.5 inches",
      "values": [
        "20.5 inches"
      ]
    },
    {
      "name": "Product Width",
      "value": "21.8 inches",
      "values": [
        "21.8 inches"
      ]
    },
    {
      "name": "Product Depth",
      "value": "21.8 inches",
      "values": [
        "21.8 inches"
      ]
    },
    {
      "name": "Product Weight",
      "value": "118 pounds",
      "values": [
        "118 pounds"
      ]
    },
    {
      "name": "Warranty - Parts",
      "value": "3 years",
      "values": [
        "3 years"
      ]
    },
    {
      "name": "Warranty - Labor",
      "value": "3 years",
      "values": [
        "3 years"
      ]
    }
  ],
  "features": [
    {
      "feature": "The MartinLogan Sound\nMartinLogan subwoofers are uniquely engineered to keep pace with the exotic thin film technologies utilized in MartinLogan loudspeakers. With a focus on high performance and decor friendly design, MartinLogan subwoofers expertly blend audiophile musicality, theatrics, and precision with powerful output, all into a compact space."
    },
    {
      "feature": "Grotto Heritage\nThe original Grotto™ subwoofer used trickle down technology from MartinLogan’s flagship subwoofers to deliver clean, powerful, and articulate bass in a decor friendly design. The all new Grotto series carries on that legacy and takes it to the next level. Its subtle appearance belies the raw performance concealed beneath its grilles."
    },
    {
      "feature": "High-Performance Audio with Flexible, Elegant Design\nMartinLogan’s Grotto Series subwoofers blend audiophile precision, dynamic output, and décor-friendly style. Engineered to complement MartinLogan’s advanced thin-film speakers, Grotto models integrate seamlessly into any system with versatile wired (XLR, RCA, Speaker Level) and low-latency wireless connections for effortless, flexible installation."
    },
    {
      "feature": "Hybrid Woofer System\nThe Grotto 15 employs a 15\" aluminum active woofer with dual 15\" passive radiators for truly commanding bass. Optimized through Klippel analysis, this Hybrid Woofer System merges the power of ported performance with sealed precision. Lightweight aluminum ensures strength, speed, and thermal efficiency, producing deep, controlled bass that effortlessly fills even large listening spaces."
    },
    {
      "feature": "Magnitude MT-2kW Amplifier\nThe Grotto 15 harnesses the Magnitude MT-2kW amplifier, producing up to 2000 W Peak (1000 W RMS) of high-efficiency Class-D power. Designed for maximum control and authority, it unleashes the full potential of its 15-inch Hybrid Woofer System. With low distortion and vast dynamic range, the MT-2kW delivers effortless, room-filling bass that remains clean, precise, and musical at any volume."
    },
    {
      "feature": "Ultra High Resolution Vojtko DSP Engine\nThe Grotto 15 employs the powerful Vojtko DSP engine, featuring 500 MHz, 64-bit processing for ultra-precise real-time control. This advanced system manages every performance detail, enabling app control, wireless integration, and flawless tuning. Engineered for impact and accuracy, it works seamlessly with Anthem Room Correction to deliver deep, perfectly balanced bass."
    },
    {
      "feature": "Integrated Anti-Vibration Feet\nThe Grotto 15 employs heavy-duty anti-vibration feet that stabilize the cabinet and reduce unwanted resonance. By isolating the subwoofer from the floor, they deliver cleaner, more impactful bass and improved overall clarity. Designed for any flooring type, they also minimize noise transfer to nearby rooms, with optional carpet spikes included for enhanced grip and performance."
    },
    {
      "feature": "MartinLogan Subwoofer Control App\nBy far the most convenient way to adjust a subwoofer, MartinLogan’s Subwoofer Control app for iOS and Android devices allows you to easily adjust settings like Volume, DSP Mode, Phase, and many others right from the comfort of your seat for ultimate control and ease of tuning."
    },
    {
      "feature": "ARC Genesis Ready\nGrotto subwoofers are compatible with the award winning Anthem Room Correction system. This highly advanced software measures subwoofer performance in your room and then performs custom equalization, tuning, and calibration to achieve the highest levels of bass impact, and accuracy possible in your specific installation. Requires an ARC Calibration Microphone and PC or Mac computer (sold separately)."
    },
    {
      "feature": "Built-In Wireless Connection\nAlthough correct placement plays a key role in optimizing subwoofer performance, getting a cable where you need it can be challenging. To solve the problem, Grotto subwoofers incorporate a built-in Wireless Receiver for use with the included Wireless Subwoofer Transmitter. With quick and easy setup, eliminating cable clutter has never been easier and with lossless transmission and low latency, even the most discerning enthusiast will be thrilled with the results."
    },
    {
      "feature": "Inputs\nGrotto subwoofers advanced Magnitude amplifiers have a suite of connection options available. In addition to the built-in wireless option, Grotto subwoofers offer LFE RCA, Stereo RCA, LFE XLR, and Speaker Level Connections for maximum flexibility. Grotto subwoofers also have an RCA Output making it easy to add additional subwoofers to any system."
    }
  ],
  "condition": "New",
  "salePrice": 2799.99,
  "categoryPath": [
    {
      "id": "cat00000",
      "name": "Best Buy"
    },
    {
      "id": "abcat0200000",
      "name": "Home Audio & Speakers"
    },
    {
      "id": "pcmcat241600050001",
      "name": "Home Audio"
    },
    {
      "id": "abcat0205000",
      "name": "Speakers"
    },
    {
      "id": "abcat0205008",
      "name": "Home Subwoofers"
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      "name": "Home Powered Subwoofers"
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  "manufacturer": "MartinLogan",
  "regularPrice": 2799.99,
  "shippingCost": 0.0,
  "longDescription": "Grotto series subwoofers offer a unique combination of understated, minimalist styling and impressively powerful, yet articulate performance. Utilizing our largest, and most powerful Hybrid Woofer Systems to date, Grotto 12 and Grotto 15 pack an incredible feature list and massive power into a classy, room friendly design, making them an ideal choice for those looking for a high performance, high output subwoofer that won’t look out of place. The Hybrid Woofer System used in the Grotto series, pairs either a 12\" or 15\" active aluminum woofer with two equally sized, custom-designed aluminum passive radiators. This driver layout provides the massive surface area necessary to achieve the increased output and lower distortion of a ported design while maintaining the more compact sizing and tighter bass typically associated with a sealed design. Powering the Hybrid Woofer System is the brawn of MartinLogan’s powerful Magnitude® MT-2kW amplifier, capable of delivering up to 2000 watts of peak power (1000W RMS), and the brains of the Ultra High Resolution Vojtko DSP Engine, a best-in-class 500MHz DSP with 64bit processing. With their high output, low distortion Hybrid Woofer Systems paired with powerful and precise amplification and processing, Grotto series subwoofers have the ideal recipe for highly detailed and powerful bass performance even in larger rooms. Although correct placement plays a key role in optimizing subwoofer performance, getting a cable where you need it can be challenging. With the inconvenience of running long lengths of cable through walls, along baseboards or under floors and carpets, properly concealing the subwoofer cable is not always a simple task. To solve the problem, Grotto Series subwoofers incorporate a built-in Wireless Receiver for use with the included Wireless Subwoofer Transmitter. With quick and easy setup thanks to direct pairing, eliminating cable clutter has never been easier and with lossless transmission and low latency, even the most discerning enthusiast will be thrilled with the results. Solid bass performance is a critical component of any audio system, and helps provide visceral impact to your entertainment. Grotto subwoofers use integrated anti-vibration feet to improve bass performance while reducing floor and wall vibrations. By dramatically reducing the energy transfer between the subwoofer and the floor, unwanted room rattles and buzzes are removed, leaving tighter, cleaner bass and improved system clarity and dynamics. As a less intrusive alternative to acoustic room treatments, Grotto’s integrated anti-vibration feet can also aid in minimizing noise complaints by reducing vibration transfer into adjoining rooms. Out of the box, Grotto’s anti-vibration feet are safe for all flooring types, and optional carpet spikes are included to further improve performance on carpeted floors. Grotto subwoofers also take advantage of MartinLogan’s Subwoofer Control app for iOS and Android devices, allowing you to easily adjust settings like Volume, DSP Mode, Phase, and many others right from the comfort of your seat for ultimate control and ease of tuning. With 3 DSP modes for Movies, Music, or Night, you can optimize the performance of your subwoofer with a single press in the app. Choose Movie for the highest output, Music for lowest distortion, or Night to tame things down and help reduce noise complaints. With connections for both RCA and XLR LFE, Stereo RCA, and Speaker level, Grotto subwoofers are an ideal choice for both Home Theater and Music applications, integrating seamlessly into any system. The Subwoofer Out connection also makes it easy to add additional subwoofers to your system, further increasing bass performance. As with all MartinLogan subwoofers, Grotto models are designed to work with any speaker system while also being uniquely engineered to keep pace with the renowned clarity of MartinLogan loudspeakers. The high output, low distortion Hybrid Woofer System paired with the power and precision of MartinLogan’s Ultra High Resolution Vojtko DSP Engine, and Magnitude series amplifiers provides a recipe for highly detailed and powerful bass performance even in larger rooms.",
  "shortDescription": null,
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  "inStoreAvailability": true
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