PA3000 is an audio power amplifier designed for sound and vibration applications. It has two identical input/output channels. Each channel integrates power amplifier with two sets of reference resistors for speaker/receiver impedance measurement. This makes loudspeaker measurem
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PA4000 Power Module is dual-channel power supply for condenser microphone and preamplifier, which is for general use in acoustic vibration measurements, PA4000 also has dual- channel power amplifier for loudspeaker or other sound source.
