An electronic product (100) includes a casing (10) containing a speaker set (20) therein. The speaker set includes a hollow shell (60) and a loudspeaker (50). The loudspeaker is accommodated in the shell, dividing an inner space of the shell into a first resonance chamber (61a) and a second resonance chamber (61b). The loudspeaker includes first tone holes (52) communicating with the first resonance chamber and second tone holes (54) communicating with the second resonance chamber. The first resonance chamber communicates with the second resonance chamber via at least an inverted tube (69).