DPA 4088-DC-A-B00-LH black, Headset Microphone, CORE 4088 directional, With removable and adjustable neckband for left - right application, Especially suitable for speech, Polar pattern: Cardioid, Frequency range: 20 - 20,000 Hz, + 4-6 dB treble boost at 15 KHz, Max. SPL: 144 dB, For wireless transmitters with B+K plug (suitable adapter for almost all transmitters - not included), Colour: Black