AEA R88A, Stereo Ribbon Microphone, Active version of the R88 mkII with a level boost of 12 dB, Can also be used as a mid-side configuration, 2 Ribbons placed 90º apart with figure-of-eight polar pattern, 1.8 µm thin aluminium ribbon each (4.7 x 59.7 mm), Frequency range: 20 - 20,000 Hz, Maximum sound pressure level: 141 dB SPL, Sensitivity: 7.4 mV/Pa (-42.6 dBV), Output impedance: 92 Ohm, Requires 48V phantom power, Connector: XLR-5M plug, Dimensions (H x D): 381 x 99 mm, Weight: 2.8 kg, Incl. 4.5 m cable XLR, 5F-plug to 2 x XLR3-M, swivel adapter, protective cover and high-quality carrying case, Handmade in USA