The 5-piece Pulse TK-5 Acoustic Trigger Kit has 4 industry-standard DR-1 removable Red Hots and one KD-1 removable kick drum trigger. Rated at 6.4kHz for ultra sensitivity, the rugged, reliable DR-1 has long been the pro"s choice for adding electronic punch. The KD-1 features a larger-diameter sensor naturally tuned to the bass drum"s dynamic range while the 14" cable, larger adhesive strip, and standard adhesive lockable jack make placement a breeze. Both trigger types feature 1/4" molded input jacks and heavy-duty, shielded 20-gauge cable that resists errant stick hits.