MartinLogan Grotto 12 Subwoofer

A subwoofer pairing dual 12-inch passive radiators with a matching 12-inch active woofer, combining the extension of a ported design with the tight bass of a sealed design.

Drivers

Active 12in aluminum woofer + dual 12in passive radiators

Amplifier Power

1,000W RMS / 2,000W peak Class-D

Frequency Response

22-120 Hz ±3dB via LFE input

DSP

64-bit 500MHz Vojtko engine · ARC Genesis compatible

Weight

37.4 kg

Dimensions

W 45.4 × H 45.2 × D 45.4 cm