AKG CM311 Head-worn Condenser Mic with with TA4F 100839953 Vertical pattern coverage switchable between

Vertical pattern coverage switchable between 30° and 15° for medium or long-throw coverage

Exterior Width: 9

Audio circuit type: Passive signal path with active relay switching

And connect studio speakers

AIR-series subwoofers also are equipped with a variable lowpass filter that allows you to dial in the best crossover point for your system

AKG CM311 Head-worn Condenser Mic with with TA4F 100839953 Vertical pattern coverage switchable betweenAKG CM311 Head worn Condenser Mic with W TA4F The CM311 reference head worn condenser microphone is designed for touring and live sound applications. It sounds like the best handheld microphones, clear and distortion free, even with the loudest singers. Differoid stands for differential cardioid, which cancels ambient noise from floor monitors, crowds and other sources. Controlled field tests show that the Differoid provides up to 12dB more gain