Martin OM-28 Standard Series Acoustic Guitar with Case By Category Internal switching puts it in

Internal switching puts it in “Vintage Mode

The result of fine R&D and skilled craftsmanship: a 100% Analog Audio signal path

This new mounting system provides support at four points on the batter side hoop of a drum

HF - High frequency shelving equalizer switchable to fixed Q parametric response via the Bell switch

thickness (mm): 7Bearing

Martin OM-28 Standard Series Acoustic Guitar with Case By Category Internal switching puts it inCompact and commanding, scalloped bracing brings your sound to lifefingerpicking, strumming or soloing. Perfect balance across all six strings, bold herringbone, East Indian rosewood, ebony, Sitka spruce, and vintage appointments give a classic look to a timeless sound.