Shure Centraverse CVB B/O, Condenser Boundary Microphone, Directional characteristic: Omnidirectional, Frequency range: 17 - 16,000 Hz, Sensitivity: -28 dBV/Pa, Peak SPL: 120dB, Impedance: 180 Ω, Optimised for speech applications, Resistant to HF interference due to HF filter, Weight: 0.34 kg, Colour: Black,