Martin Logan Grotto 12 Inch Subwoofer Clearance 7 dedicated 8K inputs that

7 dedicated 8K inputs that support 8K/60Hz or 4K/120Hz pass-through

while letting the soundbar's speakers create the soundtrack

Blu-ray quality or better

or as a bridged single-channel Mono amplifier

Martin Logan Grotto 12 Inch Subwoofer Clearance 7 dedicated 8K inputs thatProduct Overview The original Grotto subwoofer set a standard for clean, powerful bass in a compact, dcor friendly design. The all new Grotto Series elevates that legacy with advanced amplification, precision drivers, and ARC Genesis Room Correction delivering deep, controlled, and impactful bass from an elegantly understated form. Available in 12 inch and 15 inch models, the new Grotto subwoofers embody MartinLogan's tradition of blending power,