KNACRO NE5532 Low-Pass Board Filter preamp Board Subwoofer Cannon Pitch Board HI-FI Low-Pass Circuit Board
Key features
- •High quality electrolytic capacitors 2 2200uf / 25V rectifier to do, low-pass filtering to enlarge dual op amp NE5532
- •Welded 8P op amp IC Block, easy to replace the op amp to enhance playability, CBB capacitance capacitors are original, high-quality sealed potentiometers potentiometer.
- •There are LED lights, real-time monitoring the power supply situation. Input voltage: positive and negative dual power input AC 12v to 15v can be.
- •It can be a single / dual channel input and mono output. PCB ultra hardness FR-4 fiberglass board, size: 78x42mm, thickness: 1.6mm.
- •Frequency adjustment range 22Hz-210Hz, this frequency range is no human voice, so-called low-pass only the low-frequency output, to be added after stage amplifier power amplifier board can be used. The intensity of low-frequency performance and power amplifier board with speaker matching, please choose a different amplifier board and subwoofer (passive subwoofer) according to different occasions.
BrandKNACRO
CategoryAmplifiers
KNACRO NE5532 Low-Pass Board Filter preamp Board Subwoofer Cannon Pitch Board HI-FI Low-Pass Circuit Board
List Price: $23.28$20.95DEALYou Save: $2.33 (10%)
Free shippingFree Returns – 30 daysFree Order CancellationSecure Payment2–3 Days DeliveryGet It June 22, 2026In Stock (1)No marketing spamNo account requiredFulfilment by FedEx / Amazon / UPS / ShipwirePayPal / Card Buyer Protection
Customer Reviews
Reviews sourced from verified Amazon purchasers3.7
out of 5
Based on 3 reviews
5★
100%
4★
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3★
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2★
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1★
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As Described. These are utility devices without emotional affect ...
Amazon Customer✓ Verified Purchase•October 21, 2023
As Described. These are utility devices without emotional affect.
Well designed circuit with good performance.
Gp usa ✓ Verified Purchase•August 23, 2023
I really liked this small circuit. I would say Very good circuit with good performance.
Fine crossover _ CORRECTED info
Frank P✓ Verified Purchase•August 6, 2023
Power input is described as 12 volt; 12vac will NOT work correctly. This PCB needs 24 volt center-tapped transformer (12V - Ground - 12V). With a 12V transformer the L7812CV and L7912CV voltage regulator chips used on the PCB cannot operate!
Description was CORRECTED by seller; Well Done!
Description was CORRECTED by seller; Well Done!
