Styled in black, the Sennheiser MEB 114-S is a wired boundary microphone useful for capturing audio in applications such as conferences, teleconferences, presentations in boardrooms, lecture halls, school auditoriums, and other similar scenarios. This mic is designed to maintain speech intelligibility, so it's suited for vocals. It sits atop tables, lecterns, and the like, making installation a breeze. The MEB 144-S offers a programmable button on the enclosure, which can be set to push-to-talk, push-to-mute, On/Off, or permanent On. Under the boundary mic is a TTL logic output that can be utilized to activate camera or media control systems. For audio connections, the mic employs a mini XLR termination. The mic operates in a cardioid polar pattern and ships with a 9.8' cable.A cardioid pattern has a wide directional characteristic. Sound hitting the rear of the microphone is filtered out completelyProgrammable modes for On, On/Off, PTT, PTM modesTTL logic out for media/camera control systems48V phantom poweredOffers immunity from RF interferenceSennheiser MEB 114-S Cardioid Boundary Microphone (Black)9.8' Mini XLR to 3-Pin XLR CableForm Factor Boundary/Surface MountSound Field MonoCapsule CondenserPolar Pattern CardioidOrientation End AddressHigh-Pass Filter NoneIndicators 1 x Red/Green Single LEDOn-Board Controls Mic Mute, Push-to-Talk, On/OffFrequency Range 40 Hz to 20 kHzMaximum SPL 140 dB SPLImpedance 200 OhmsSensitivity 10 mV/PaDynamic Range 111 dB A-WeightedEquivalent Noise Level 29 dB A-Weighted39 dB CCIROutput Connectors (Analog) 1 x XLR 3-Pin MaleCable Length 9.8' / 2.99 mOperating Voltage 48 VOperating Current Consumption 5.3 mAColor BlackMounting TabletopOperating Temperature 14 to 122°F / -10 to 50°CDimensions H: 3.94 x W: 3.35 x L: 0.98" / H: 100 x W: 85 x L: 25 mmWeight 10.26 oz / 291 g