The Samson Audio CM11B is a low profile boundary microphone with an omnidirectional polar pattern. The CM11B is designed for surface mounting and excels in reproducing audio in conferences lectures boardroom meetings classrooms interviews etc. The omnidirectional pick up pattern provides a 360 degree pick up area around the perimeter of the capsule. The polar pattern results in accurate pickup of round-table discussions without degradation. A mini XLR output connector is located on the rear and a 30-foot mini XLR to standard XLR output cable is supplied. The CM11B is powered with a 9 to 52V phantom power source. The heavy duty construction features a die-cast reinforced grille to protect against damage due to shock.