The APEX 435B Microphone is made with a heavy-duty aircraft grade machined brass body with a durable, scratch resistant anodized finish. APEX 435B Microphone Features Compact high performance FET condenser microphone Cardioid polar pattern 32mm Gold sputtered diaphragm Solid machined bass body Internally switched high pass filter Ideal for studio or live sound applications APEX 435B Microphone Specifications Type: Wide Diaphragm Condenser Frequency Response: 20Hz - 20kHz Sensitivity: -37dB (14mV/Pa) Impedance: Equivalent Noise Level: 24dB S/N: 76dB Max SPL: 140dB Power Requirement: 9V - 48V Phantom Power Dimensions: 1.75 x 6 in / 45 x 152 mm Weight: 13 oz / 362 g APEX 435B Microphone Includes APEX 435B Microphone IMC-3S Shockmount Foam Windsock Nylon Bag Owners Manual