VOB technology reduces muddiness from proximity effect.
The Electro-Voice N/D478 is a dynamic cardioid microphone with acoustic response that is optimal in live sound or studio environments. The new "vocally optimized bass" or VOB™ technology provides you with reduced resonant distortion at low frequencies. Critical damping of the low frequency resonant peak results in a microphone that replaces the "muddiness" found in competitive models with greater warmth and increased clarity. The result is an exceptional performing instrument microphone with clean, clear, consistent sound that "cuts through the mix."


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