National Reso-Phonic M-14T 'ThunderBox' Resonator Guitar bf24 practicing on the couch

practicing on the couch

anchored Adjusto-Matic bridge and G-arrow knobs

Spanish neck joint

NOISE LEVEL (A-weighted): <17 dBA

National Reso-Phonic M-14T 'ThunderBox' Resonator Guitar bf24 practicing on the couchThe National M 14T ThunderBox Resonator Guitar takes the celebrated M 14 series to bold new heights, delivering greater volume, punch, and low end response. With its deeper 4" body, the ThunderBox produces a thunderous yet balanced sound that resonates with warmth and clarity. Its carefully selected tonewoods and expert craftsmanship ensure the unmistakable character that players expect from National, while offering a livelier, woodier twist on the