Acoustic guitar microphone. Lyric, the next step in TRU MIC technology, provides studio mic’d fidelity engineered for live performance. The system includes an internal microphone, Hi-Fidelity mic preamplifier with soundhole volume and presence controls. TRU MIC noise canceling technology. No pickup. Analog signal conditioning. All discrete mic preamplifier. Soundhole volume control. Microphone presence control. Quick and easy installation.