Sanken HAD-48 - Inline Dynamic Microphone PreamplifierBecause dynamic microphones have lower output levels than condenser microphones, long cable lengths often result in a noticeably noisy signal. Sankens innovative HAD 48 microphone preamplifier solves this problem by increasing the microphone level considerably with no degradation of signal. Providing a choice of switchable 20dB or 40dB of gain, this greatly improves the signal to noise ratio. Even when using dynamic microphones and long cables between