MartinLogan Unveils Grotto 12 & 15 Subwoofers for High-Powered Home Theater Audio
By HiFi Editorial7 January 2026
Key Highlights
The MartinLogan Grotto 12 and Grotto 15 subwoofers introduce advanced Hybrid Woofer Systems for superior bass performance in larger spaces.
These subwoofers feature a 1,000W RMS / 2,000W peak Magnitude MT-2kW amplifier and a 500MHz 64-bit DSP engine for precise audio tuning.
The Grotto 12 has a frequency response of 22–120 Hz, while the Grotto 15 extends down to 20 Hz, ensuring deep bass reproduction.