The AT2005USB features a convenient headphone output with volume control that allows the user to monitor the audio signal right from the microphone. The mic’s USB operation is compatible with both Windows- and Mac®-based hardware and software. Its cardioid polar pattern reduces pickup of unwanted sounds from the sides and rear, improving isolation of the user’s desired sound source. Audio-Technica AT2005USB Cardioid Dynamic USB/XLR Microphone AT2005USB Specifications: Element: Dynamic Polar Pattern: Cardioid Frequency Response: 50 to 15,000 Hz Power Requirements: USB Power (5V DC) Bit Depth: 16 bit Sample Rate: 44.1 kHz/48 kHz Controls: On/off switch; headphone volume control Weight: 9.5 oz (268 g) Dimensions: