KNA SG-2 Bridge piezo pickup for steel string acoustic guitar. With onboard volume control, SG-2 is great choice in a piezo pickup for guitar. It is an acoustic guitar bridge pickup that transfers the natural sound of your guitar without requiring modification. Unlike other guitar pickups, SG-2 installs safely and securely between the bridge saddle and pins, held in place by the tension of tuned strings. This steel-string guitar pickup may remain installed when not in use. It comes with two cables – plug in directly with the 9-ft. 1/8" to 1/4" cable, or use the 3-ft. 1/8" to female 1/4" jumper with safety clip to connect with the instrument cable of your choice.