Single Power 10V-24V Overweight Subwoofer Front Stage Plate Low Pass Filter Board

Single Power 10V-24V Overweight Subwoofer Front Stage Plate Low Pass Filter Board

Special reminder:

• This board is a subwoofer preamplifier board, directly connected to the speaker will not sound, it must be connected to the pure rear amplifier board into an active subwoofer to sound, pure rear amplifier board power according to the degree of personal need to choose the degree of shock, pure rear amplifier power, the greater the bass effect of the more shocking.

• The so-called low-pass filter board is to filter out the treble part of the human voice above, leaving the low-frequency part of the amplification to improve the bass playback strength, playback will not hear the human voice and high-frequency instrument sound. Please ensure buyers understand this knowledge, to avoid the purchase not knowing how to use it

• Most of the subwoofer preamplifier boards on the market have a dual power supply, which the majority of DIY enthusiasts is not very convenient to use, after all, a single power supply is easier to find, under the premise of guaranteeing the effect, we introduced a single power subwoofer preamplifier board, you can share with the rear amplifier board with a set of power supply, DIY is very convenient!

Features:

• This product's frequency adjustment capacitor selection of the original Philips CBB capacitor, adjust the potentiometer selection of Taiwan's fully sealed type, the input and output selection of pure copper terminals, wiring is very convenient!

• Op-amp selection of Texas NE5532, welded 1C seat can be replaced at any time to feel the effect of different op-amps to enhance the playability.

• Designed with LED indicators to monitor the power status in real-time.

• The PCB design of this board is simple and beautiful, with reasonable wiring, so the board has a very high signal-to-noise ratio, strong anti-interference ability, no signal input near the speaker can hardly hear the noise!

Specification:

• Product name: single power supply low-pass filter board/subwoofer preamplifier board

• Power supply voltage: DC 10-24V single power supply direct current

• Frequency range: 22Hz-300Hz

• Audio input: mono or dual-channel

• Audio output: mono

• PCB specification: 78*32mm, thickness: 1.6mm

• PCB material: super hard FR-4 glass fibreboard

• Net weight of finished board: 30g

• Board fixing hole center spacing: 70*24mm, hole diameter: 3.2mm

• Potentiometer shaft centre spacing: 32.5mm

Package includes:

• 1 x Filter Board