Roland KD7

KD7 description:

This dynamics-sensitive kick drum trigger can be used with a standard kick drum pedal. It features a mix input for chaining two KD-7's for double-bass setup, and comes with a Beater and connection cable (kick drum pedal not included). The KD-7 is the ideal kick trigger for use with the HPD-15 and RMP-1. Specifications
Width: 172mm (6-13/16 inches)
Depth: 112mm (4-7/16 inches)
Height: 100mm (3-15/16 inches)
Weight: 1.4Kg (3lbs. 2oz.)