Musical Instrument & Vocal Microphones
the t.bone BD 500 Beta
the t.bone BD 500 Beta, Condenser Boundary Microphone, Polar pattern: Semi-cardioid, Switchable frequency response for bass drum or piano / voice applications, Frequency range: 30 - 20,000 Hz, Impedance: 230 Ohm, Sensitivity: -53 dB, Robust metal...
https://www.bizrate.co.uk/musicalinstrument_vocalmicrophones/the-t-bone-bd-500-beta-oid9073793062.html