Boya By-M1000 Features . Gold-sputtered diaphragm • Broadcast-quality condenser microphone • Cardioid, Omnidirectional and Bidirectional polar patterns • Wide frequency range and ultra low noise • Off-axis rejection for clean recordings • OdB,-10 dB pad switch • Controlled by low-cut filter switch • All-metal housing • 3m(10ft) XLR cable included • Included 3/8" and 5/8" thread Specifications: Acoustic Principle: Condenser Polar Pattern: Cardioid, Omnidirectional, Bidirectional Diaphragm: 34mm(1.3") Frequency Response: 20- 20,000Hz Sensitivity: -33÷3dB (0dB=1V/Pa @ 1KHz) SN: 80dB and more Output Impedance: 200 Ohm Power Requirement: 24V or 48V Phantom Cable Length: 3m(10ft) Dimensions: 207 x 115 x 185mm (8.1" x 4.5" x 7.3") Weight: 812g (29 oz)