Black lacquered cover plates without side vents give the Hohner Pro Harp its distinctive rock–ready aesthetic and focused sonic character. Often called the Rock Harp, this MS–series diatonic harmonica in F# combines the plastic comb of the Big River Harp with the cover plate design of the Blues Harp, creating a rugged instrument built to cut through guitar riffs, bass and drums. The modular construction allows the comb, reed plates and covers to be swapped with other MS–series harmonicas, opening up customisation options that match individual playing styles.
The plastic comb delivers consistent performance across varying climate conditions, maintaining tuning stability where wooden combs might warp or swell. Torx screws ensure stability during maintenance and allow players to access the reed plates for adjustment or cleaning without stripping threads. A practical snapcase protects the harmonica during transport. The all–black design eliminates the traditional side vents found on many diatonic harmonicas, contributing to the focused tone that suits amplified rock and blues settings where projection and attack matter more than acoustic warmth.
Features
- Tuned to the key of F# for specialist harmonica repertoire
- Modular MS–series construction with interchangeable comb, reed and cover plates
- Black lacquered cover plates without side vents for focused tone
- Durable plastic comb maintains tuning stability in all climates
- Torx screws allow stable, easy maintenance and reed plate access
- All–black finish combines Big River and Blues Harp design elements
- Includes protective snapcase for transport and storage
- Compatible with other Hohner MS–series components for custom configurations



