Preamp Board HiFi NE5532 Pre Amplifier Volume Control Board With
--\n--\n--\n--\n--\n--\n--\n--\n--\n--\n--\n--\n--\n--\n--\n--\n--\n--\n\nFeature: \n 1. Three Chips: This stereo preamplifier board uses three TINE5532 chips, with 1 level gain, 1 level buffer, and 1 level processing.\n2. Silent On Off Circuit: This audio pre amplifier board is equipped with a silent on off circuit, and there is basically no impact sound when turned on and off.\n3. Wide Input Voltage: This audio pre amplifier board supports DC9V to 29V wide voltage stable input, features positive and negative polarity reverse guard function.\n4. Built in Boost Module: The preamp board has built in boost module, and can convert a single power supply to \u00B114.5V dual power supply for powering circuit, with large sound dynamic range, strong thrust, can drive high power rear stages.\n5. Two Impedance Interfaces: The low impedance interface can be connected to pure rear stage amplifier, the high impedance interface can be directly connected in parallel to the input end of a combined-
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