MartinLogan - Grotto 12, 12” Hybrid, Powered Subwoofer with Magnitude MT-2kW Amplifier, Sub Control App, and Wireless Built-In - Gloss Black

Features

• The MartinLogan Sound MartinLogan 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.
• Grotto Heritage The 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.
• High-Performance Audio with Flexible, Elegant Design MartinLogan’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.
• Hybrid Woofer System The Grotto 12 features a 12" aluminum active woofer paired with dual 12" passive radiators, combining the depth of a ported design with the control of a sealed sub. Precision-tuned using Klippel analysis, its lightweight, rigid aluminum drivers deliver fast response, low distortion, and exceptional clarity—ideal for achieving powerful, accurate bass in a compact form.
• Magnitude MT-2kW Amplifier The Grotto 12’s Magnitude MT-2kW amplifier delivers up to 2000 W Peak (1000 W RMS) of ultra-clean Class-D power. Engineered for precision and control, it drives the 12-inch Hybrid Woofer System with deep impact and effortless musicality. Highly efficient and low-distortion, it provides massive dynamic headroom, ensuring tight, accurate bass performance even under the most demanding conditions.
• Ultra High Resolution Vojtko DSP Engine The Grotto 12 features MartinLogan’s ultra-high-resolution Vojtko DSP engine, a 500 MHz, 64-bit processor managing every aspect of performance in real time. It enables app control, wireless connectivity, and advanced DSP functions with total transparency. Tuned for maximum output and fidelity, it also supports Anthem Room Correction for perfectly optimized bass in any space.
• Integrated Anti-Vibration Feet The Grotto 12 features integrated anti-vibration feet that enhance bass clarity by reducing floor and wall vibrations. By limiting energy transfer, they eliminate unwanted rattles and resonance, resulting in tighter, more accurate bass. Safe for all flooring types, these feet also help reduce noise into adjoining rooms, with optional carpet spikes included for added stability and performance.
• MartinLogan Subwoofer Control App By 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.
• ARC Genesis Ready Grotto 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).
• Built-In Wireless Connection Although 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.
• Inputs Grotto 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.