E602 Bass Drum, Bass Guitar, Tuba Microphone. Cardioid Microphone. Published by Sennheiser. The Sennheiser e602 II is a cardioid instrument microphone especially suitable for use with bass drums, bass guitar cabs, tubas and other low frequency instruments. Features Rugged, lightweight aluminum body for stable positioning on long microphone boom arms Lightweight high-performance voice coil construction Fast transient response Low frequency extension Ideal for direct use on the most problematic bass signal Frequency-independent directivity provides isolation from other on-stage signals Humbucking coil Integral stand mount Specifications Pickup Pattern: Cardioid Frequency Response: 20 - 16,000 Hz Sensitivity: 0,25 mV/Pa; @ 50 Hz 0,9 mV/Pa Nominal Impedance: 350 Ohm Dimensions: 60 x 153 mm Weight: 11.3 oz (320 g)