Avantone Pro CV-12 Large-diaphragm Tube Condenser Microphone Audio Frequency response: 20Hz to 20kHz Max SPL: 136 dB Connectivity: XLRPattern and type Capsule: Tube Pattern: Multi-pattern Type: Mounted Applications: Studio, stage Phantom power required: NoSize and weight Length: 9.5" Width: 1.8" Depth: n/a Weight: 1.8 lb.Included accessories Case: Wooden box Clip: Shockmount Power supply: Yes They will meet or surpass the performance and specifications of some much higher priced mics The Avantone CV-12 is truly a gorgeous looking and sounding microphone The design, character and performance are comparable to some of the finest vintage tube mics of the 1950' &amp; 1960', but at a fraction of the cost The rugged CV-12 microphone body and capsule assembly are precision machined of brass