From AKG: The C519 professional miniature condenser microphone clips gently onto the bell of a trumpet, saxophone, trombone, tuba, didgeridoo or any other wind instrument. Its tight cardioid polar pattern makes the C519 an ideal tool for use near monitor wedges, and its flat frequency response delivers a natural, powerful and clear sound. The MPAV from C519 M features an integrated, switchable bass cut for adjusting the microphone's frequency response. From me: This is an amazing microphone for horn and wind players. Nothing beats the sound of an AKG. This is my second one and it is very gently used. My first was stolen after a gig so I quickly purchased a replacement. I used this microphone on my trumpet as part of a wireless rig and it sounded spectacular. You won't regret it. I have moved to a different setup and have mixed feelings about letting this mic go but I know that someone else will love it. I have included the original Phantom Power adaptor which I had customed shortened by Don Voth here in Winnipeg using AKG parts. If you buy the mic brand new they send you a 3 meter cable which did not work for my trumpet setup. Rich full sound. Easy to use and durable. Please contact me if you are interested. This is a fantastic piece of equipment.