Audio-Technica ATM450 Cardioid Condenser Instrument Microphone Unique side-address stick design maximizes placement options with minimal obstructions Uncompromising sound quality for overheads, percussion, acoustic guitar, strings and other acoustic instruments Integral 80 Hz HPF switch and 10 dB pad Durable performance for professional applications Cardioid polar pattern reduces pickup of sounds from the sides and rear, improving isolation of desired sound source