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High Quality Low Pass Filter Subwoofer Volume Control Preamp

₦ 4,360

₦ 8,29047%

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+ shipping from ₦ 1,713 to LEKKI-AJAH (SANGOTEDO)

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Product details

Description:
1. The adjustment potentiometer is made of fully sealed type, and the input and output ends are made of pure copper terminals. The wiring is very convenient.
2. The IC holder can be soldered at any time to feel the effect of different op amps and enhance the playability.
3. Designed with LED indicators to monitor power state in real time.
4. The board is simple and beautiful in design, and the wiring is reasonable, which makes the board have a very high signal to noise ratio.
5. This board has strong anti-interference ability. There is almost no noise near the horn when there is no signal input.

Specifications::
Condition: Brand new
Frequency Range: 22Hz-300Hz
Audio Input: Mono or dual channel
Audio Output: Mono
Printed Circuit Board Standard: Approx. 78 x 32mm / 3.1 x 1.3in, Thickness: 1.6mm
Printed Circuit Board Material: Super hardness FR-4 fiberglass board
Plate Fixing Hole Center Spacing: 70x24mm, Hole Diameter: 3.2mm
Potentiometer Shaft Center Distance: 32.5mm
Weight: Approx. 32g / 1.1oz

Package list:
1 x Filter Board
2 x Screw
2 x Gasket
2 x Knob Cap
Note:
This board is a heavy bass preamp board. It will not sound when directly connected to the horn. It must be connected to a pure final stage power amplifier board to make an active subwoofer. The power of the pure final stage power amplifier board is selected according to the shock level of individual needs. The higher the power of the pure final stage amplifier, the more shocking the bass effect will be. The so-called low-pass filter board filters out the high-pitched parts above the human voice, and retains the low-frequency part to zoom in to improve the bass playback strength, and does not hear human voices and high-frequency instrument sounds during playback.
.

Specifications

Key Features

The adjustment potentiometer is made of fully sealed type, and the input and output ends are made of pure copper terminals. The wiring is very convenient.
The IC holder can be soldered at any time to feel the effect of different op amps and enhance the playability.
Designed with LED indicators to monitor power state in real time.
The board is simple and beautiful in design, and the wiring is reasonable, which makes the board have a very high signal to noise ratio.
This board has strong anti‑interference ability. There is almost no noise near the horn when there is no signal input.

What’s in the box

1 x Filter Board
2 x Screw
2 x Gasket
2 x Knob Cap
Note:
This board is a heavy bass preamp board. It will not sound when directly connected to the horn. It must be connected to a pure final stage power amplifier board to make an active subwoofer. The power of the pure final stage power amplifier board is selected according to the shock level of individual needs. The higher the power of the pure final stage amplifier, the more shocking the bass effect will be. The so-called low-pass filter board filters out the high-pitched parts above the human voice, and retains the low-frequency part to zoom in to improve the bass playback strength, and does not hear human voices and high-frequency instrument sounds during playback.
.