Martin D-45 Standard Series Acoustic-Electric Guitar w/ L.R. Baggs Anthem and Hard CaseWhen it comes to acoustic guitars, you're not likely to find one quite like the Martin D 45. This dreadnought, an absolute masterclass in acoustic guitar design, construction, and sound, enters a room and is sure to bring all conversation to a halt. This particular model, entering Martin's refreshed 2025 Standard Series, raises the bar for the D 45 and similar dreadnoughts universally. As a bold take on a Martin classic, the Martin Standard Series D