Martin Logan Grotto Servo-Control High Resolution Subwoofer Tested Works Great

- Best for buyers seeking a compact high-resolution subwoofer for home audio at mid-range price without shipping cost to continental US addresses.
- Used condition with visible cosmetic wear from age; unit is tested and functional, though exterior aesthetics are not pristine.
- Seller has 3863 feedback ratings at 99.8% positive; long track record of reliable transactions.
- Free shipping to continental US only; physical addresses required (no PO or APO boxes); standard handling speed not specified.
- Martin Logan Grotto features servo-control and high-resolution capability; compact form factor typical of this model line.
- Before purchase, confirm in photos that all connectors (power, audio inputs, control) are visible and undamaged, and verify it meets your space and setup requirements.