As one of its daily deals, Best Buy offers the Audio-Technica Dynamic Cardioid Handheld Mic in Black, model no. ST95MKII, for $9.99 with free shipping. That's the lowest total price we could find by $24 and the least expensive cardioid microphone we've seen. Sales tax is added where applicable. It features a cardioid polar pattern, stand clamp, all-metal body, XLR connector, and more. Deal ends today.