Sennheiser MKH 418-S - M/S Stereo Shotgun MicrophoneThe Sennheiser MKH 418S professional stereo shotgun microphone incorporates the Mid Side (M S) technique, yielding a high degree of directivity and focus while reproducing signals with extreme accuracy to their perspective placement, within the Left Right Stereo field. The MKH 418S features 2 independent acoustic systems for generating the mid and side signals. The mid (M), or mono signal is generated using an internal shotgun microphone. With its