The iRig Acoustic from IK Multimedia is an acoustic guitar microphone the size of a large guitar pick that easily clips inside the sound hole of any acoustic guitar. The mic can then be connected to your iPhone, iPad, or Mac computer for making high-quality recordings. iRig Acoustic captures the full range and timbre of your instrument with a frequency response ranging from 15 Hz to 20 kHz. The unit offers a 3.5mm headphone output for monitoring. And no batteries or power are required, making it a simple and compact way to record anywhere. The package includes a travel case for safe storage and transport.