MartinLogan Unveils Grotto 12 & 15 Subwoofers for High-Powered Home Theater Audio

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.