• Dimensions: 63 x 41 mm
• Connector: XLR-3
• Frequency response: 40 - 18000 Hz
• Weight: 125 g
• Sensitivity in free field, no load (1kHz): 2 mV/Pa
• Nominal impedance: 350 Ω
• Min. terminating impedance: 1000 Ω

https://en-us.sennheiser.com/instrument-microphone-drums-percussion-cardioid-dynamic-e-904