Description The models of the Echo Harp series are traditional tremolo harmonicas. They all feature a high-quality maple wood comb and come in four different sizes, each offering a different tonal range, depending on the musical requirements of the player. Made in Germany. Features: • Maple wood comb • Double-sided instrument – 2 harmonicas in 1! • 0.9 mm brass reed plates • Stainless steel covers • Opposing sides are tuned a fifth apart • 96 reeds • tunings: C/G • Made in Germany SKU: 5696CG Tremolo harmonicas The tremolo harmonica‘s distinguishing feature is that it has two reeds per note, with one slightly sharp and the other slightly flat.This provides a unique wavering or warbling sound created by the two reeds being slightly out of tune with each other and the difference in their subsequent waveforms interacting with each other. These so called 2-voice instruments are ideally suitable for traditional folk music. Tremolo and octave harmonicas are 2-voice instruments, where each blow and draw note is produced by two reeds sounding simultaneously.