Check the listing for details. AKG HSC271 Professional Headset w/ Condenser Microphone. Color: Black, Condition: New. Listed at 259.00 USD. AKG HSC271 Professional Headset with Condenser Microphone The AKG HSC 271 Professional Headset with Condenser Microphone is designed for video production, ENG/EFP, and intercom applications. The headset is based on the closed over-ear K271 MKII Studio headphones with a flexible gooseneck condenser microphone. A mute switch is built directly into the arm of the gooseneck to silence the microphone when the arm is raised up. The headset also includes a mute switch built into the headband to turn the headset off when you remove it from your head. The microphone can be mounted on either the left or the right side and the headset connects through a six-pin XLR connector. The cable is sold separately and comes in a variety of options. Product Specifications HeadphoneEarpiece Design Over-Ear (Circumaural), Closed-BackNumber of Earpieces Dual EarpieceImpedance 55 Ohms PerformanceFrequency Response 16 Hz to 28 kHzSensitivity 104 dB SPL/VMaximum Power Handling 200 mW MicrophonePickup Pattern Cardioid (Unidirectional)Frequency Response 20 Hz to 20 kHzSensitivity 25 mV/PaImpedance 200 OhmsEquivalent Noise Level22 dBA Wired ConnectivityAudio Connector to Earpiece Mini XLR 6-Pin Male PhysicalMaterial of Construction Leatherette, VelvetDimensions 4.33 x 8.07 x 7.87" / 110 x 205 x 200 mmWeight 9.5 oz / 270 g Packaging Info Package Weight 1.55 lbBox Dimensions (LxWxH) 9.5 x 9.1 x 4.4"