AKG C535 EB Reference Condenser Vocal Microphone The C535 EB reference handheld condenser vocal microphone is a classic, legendary microphone that provides the ultimate combination of excellent, highly detailed audio and exceptional ruggedness. A bass cut/roll off filter and a switchable pre-attenuation pad let you match the frequency response and output level to the most diverse recording and onstage miking situations. Polar Pattern: Cardioid, Audio Output: Balanced XLR Powering Interface: 9 to 52 V phantom power