Product description
Note:
This board is a subwoofer preamplifier board, directly connected to the speaker will not be heard, must be connected to the post-amplifier board , to make active subwoofer to sound.
Parameter:
Supply voltage: DC10-24V single power supply.
Frequency range: 22Hz-300Hz.
Audio input: mono or dual channel.
Audio output: mono.
PCB specification: 78x32mm, thickness: 1.6mm.
PCB material: Ultra-hard FR-4 fiberglass board.
Finished board net weight: 30g.
Plate center hole spacing: 70x24mm, hole diameter: 3.2mm.
Potentiometer shaft center distance: 32.5mm.
Package Includes:
1 x NE5532 Single Supply Low-Pass Filter Board
2 x Potentiometer cap
1 x DC male cable