Externally biased condenserCardioid or Omni polar pattern using included interchangable capsulesGold sputtered 1/2” capsuleThree position PAD - 0dB, -10dB and -20dBThree position High-Pass Filter - flat, 75Hz and 150HzSurface mount circuitryLow noiseAvailable as Certified Matched Pair10 year extend..