Rode K2 Tube Vocal Microphone Amazon as the seller is the ONLY authorized Fulfilled by Amazon Dealer, and purchases from unauthorized dealers carry No Warranty A premium valve condenser microphone featuring dual 1 gold sputtered diaphragms Features infinitely variable control of the polar pattern from omnidirectional through cardioid and bidirectional/figure-8 Provides the freedom and flexibility to excel in any recording situation Combines high-performance specifications with the character and subtleties of the legendary mics of the '50s Not only provides excellent vocals but is perfectly at home recording a wide range of instruments both up-close or in a wider room capacity