This Sennheiser ME-4 cardioid lapel lavalier mic is the perfect addition to your Evolution Wireless system. With its 3.5mm locking connectivity, this black lavalier mic is designed for use with Sennheiser Evolution Wireless systems. Its polar pattern is cardioid, making it ideal for recording vocals and acoustic instruments. The Sennheiser ME-4 lavalier mic is built to last and provide high-quality sound. Its compact form factor makes it easy to use and transport, while its durable construction ensures that it will withstand even the toughest of recording conditions. Whether you're a professional musician or just starting out, this lavalier mic is an excellent choice for recording your vocals and acoustic instruments.