K&K Onboard Trinity Classic System
K&K Onboard Trinity Classic System, Pickup System, Combination of pickup, microphone and onboard preamplifier for acoustic guitars, The system consists of the Pure Pickup in combination with the Trinity Microphone (with 5"" gooseneck and a frequency range of 20-20,000 Hz), and a 2-channel preamplifier with separately adjustable gain, volume, bass, midrange and treble potentiometers, Mono-jack output, Volume control is mounted on the inner edge of the sound hole, Installation of the system does not require any further holes other than for the endpin