NE5532 tone Preamplifier Board 2.1 Channel Audio equalizer Subwoofer Preamp Tone Control Bass Pre amplifier DC10-24V customize

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NE5532 tone Preamplifier Board 2.1 Channel Audio equalizer Subwoofer Preamp Tone Control Bass Pre amplifier DC10-24V

Power Supply: DC10-24V
Appearance Size: 82*30mm
OP Chip: 2*NE5532
Output Interface: 2.54-3P
Channels: 2.1 Channel
Type Of Adjustment: 3 Way (Bass Frequency+Bass+Total Volume)