{"product_id":"martinlogan-grotto-15-subwoofer","title":"MartinLogan Grotto 15 Subwoofer","description":"\u003cdiv class=\"uk-width-1-2@m uk-padding uk-text-center uk-flex-middle uk-padding\"\u003e\n\u003cp\u003eThe original Grotto subwoofer set a standard for clean, powerful bass in a compact, décor-friendly design. The all-new Grotto Series carries on that legacy with advanced amplification, precision drivers, and ARC Genesis Room Correction; delivering deep, controlled, and impactful bass from an elegantly understated form. Featuring MartinLogan’s largest, most powerful Hybrid Woofer System to date, Grotto 15 uses dual 15-inch passive radiators to enhance the low frequency output of its powerful, active 15-inch aluminum cone woofer. This high-output woofer system is driven by robust amplification and a best-in-class 64-bit DSP Engine to extract maximum performance. Grotto 15 offers a wide range of connectivity options including XLR, RCA, Speaker Level, and built-in wireless, plus the added convenience of the MartinLogan Subwoofer Control App. With support for the award-winning Anthem Room Correction(ARC) system, Grotto 15 can also be expertly tuned in a matter of minutes using the optional ARC Calibration Kit.  \u003c\/p\u003e\n\u003ctable width=\"100%\" style=\"width: 100.089%;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 79.6793%;\"\u003eDigital Signal Processor\u003c\/td\u003e\n\u003ctd style=\"width: 19.9624%;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eUltra High-Resolution 500MHz Vojtko DSP Engine with 64bit processing\u003c\/span\u003e\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 79.6793%;\"\u003eFrequency Response\u003c\/td\u003e\n\u003ctd style=\"width: 19.9624%;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003e20–120 Hz ±3 dB (Anechoic via LFE input)\u003c\/span\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 79.6793%;\"\u003eLow Frequency Transducer\u003c\/td\u003e\n\u003ctd style=\"width: 19.9624%;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eTriple 15\" (25.4cm) Hybrid Woofer System consisting of 1x high-excursion, aluminum cone in a cast aluminum basket with 2x aluminum cone passive radiators for enhanced low frequency output.\u003c\/span\u003e\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 79.6793%;\"\u003eCabinet\u003c\/td\u003e\n\u003ctd style=\"width: 19.9624%;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eSealed 1\" thick MDF cabinet with dual center braces and reinforced MDF woofer baffles\u003c\/span\u003e\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 79.6793%;\"\u003eAmplifier\u003c\/td\u003e\n\u003ctd style=\"width: 19.9624%;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003eMartinLogan Magnitude MT-2kW Amplifier: 2000W peak (1000W continuous)\u003c\/span\u003e\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 79.6793%;\"\u003eControls (Backplate)\u003c\/td\u003e\n\u003ctd style=\"width: 19.9624%;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cmeta charset=\"utf-8\"\u003e \u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003eLevel: Interactive LED Backlit Knob, Min-Max\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003eTone Sweep: Sweep Start and Pause (with status light)\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003ePower Mode: On, 12v Trigger, Auto\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003eWireless Audio Pairing Button (for included MartinLogan wireless transmitter)\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 79.6793%;\"\u003eControls (via Bluetooth)\u003c\/td\u003e\n\u003ctd style=\"width: 19.9624%;\"\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003e\u003cmeta charset=\"utf-8\"\u003eLevel: -40 to 12dB (Min-Max)\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLow-Pass Filter (Frequency): 35–120Hz (1° Increments)\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLow-Pass Filter (Order): Bypass, Third, Fourth\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePhase: 0–180° (1° Increments)\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePhase (Polarity): Normal, Inverted\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003ePreset Listening Modes: Movie, Music, Night\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e20–30Hz Level: ±10dB\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAnthem Room Correction (ARC Genesis): On, Off\u003cbr\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eTone Sweep (120-20Hz): On, Off, Pause (Frequency)\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 79.6793%;\"\u003eInputs\u003c\/td\u003e\n\u003ctd style=\"width: 19.9624%;\"\u003e\n\u003cul\u003e\n\u003cli\u003eLine Level: Left, Right, and LFE\u003c\/li\u003e\n\u003cli\u003eXLR: LFE\u003c\/li\u003e\n\u003cli\u003eSpeaker Level: Left and Right (Requires Banana Plugs)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 79.6793%;\"\u003eFinish\u003c\/td\u003e\n\u003ctd style=\"width: 19.9624%;\"\u003eGloss Black\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 79.6793%;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"width: 19.9624%;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cspan\u003e118 lbs\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e(53.5 kg)\u003c\/span\u003e\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 79.6793%;\"\u003eDimensions (HxWxD)\u003c\/td\u003e\n\u003ctd style=\"width: 19.9624%;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cspan\u003e20.5\" x 21.8\" x 21.8\"\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e(52.2cm x 55.4cm x 55.4cm)\u003c\/span\u003e\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"MartinLogan","offers":[{"title":"Default Title","offer_id":47971672228079,"sku":null,"price":3199.99,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0874\/3084\/files\/54854441007_150e32f449_b.jpg?v=1773324085","url":"https:\/\/audioshop.on.ca\/products\/martinlogan-grotto-15-subwoofer","provider":"Audioshop","version":"1.0","type":"link"}