Huudngeje DC 10-24V Subwoofer Amplifier Preamp Board Subwoofer Frequency Filter Plate Single Power Supply for DIY Kit

Product description

• Special reminder: This board is a subwoofer preamp board, directly connected to the speaker, it not produce sound. It must be connected to a pure post amplifier board to make an active subwoofer to produce sound. The power of the pure post amplifier board is shocking according to personal needs. The degree of selection, the greater the power of the pure power amplifier, the more shocking the bass effect.
• The so-called low-pass filter board filters out the high-pitched part above the human voice, and retains the low-frequency part to amplify to increase the bass reproduction strength. Human voice and high-frequency instrument sound not be heard during playback. must understand this knowledge to avoid not knowing how to use it after buying it.
• Product Name: Single power supply low-pass filter board, subwoofer front panel
• Most subwoofer pre-boards on the market basically have dual power supplies. It is not very convenient for the majority of DIY enthusiasts. After all, a single power supply is easier to Under the premise of ensuring the effect, we launched a single power supply super bass front The board can share a power supply with the power amplifier board, which is very convenient for DIY.