The Trinity Pro Upgrade is designed to upgrade an existing Pure Mini, Pure Classic, or Pure 12-String pickup system to the full Trinity Pro system. The Trinity Pro Upgrade includes the Trinity Pro Preamp, the Trinity Condenser Microphone, and a six foot stereo cable to connect from your guitar to the Trinity Pro Preamp. Pickup not included. Soldering required, professional installation recommended.
The K&K Sound Trinity Pro Preamp is an upgrade to the original Trinity Preamp, and now has a phase switch on the preamp for the microphone channel. The Trinity Microphone is a high quality internal mount condenser mic that is powered by the Trinity Pro Preamp.