SUBWOOFER FILTER Description. Here is the circuit diagram of an opamp based subwoofer filter. Audio frequencies below 200Hz are considered to be in the subwoofer range. So a subwoofer filter will be essentially a low pass filter with a cut off frequency of 200Hz.The working of this straight forward circuit is as follows.May 22, 2019 · Subwoofer filter 4558 circuit schematic design it complete power supply circuit so it can make easier to use this subwoofer filter 4558. ... 4558D, JRC4558, NE5532 ...

miniDSP is a leading manufacturer of Digital Audio Signal Processors for the HomeTheater, Hifi, headphone and Automotive market. Join our large community of Audiophiles, Engineers and DIYers using our innovative products.Circuit is already done of AMP RC4558D(1/2) only produce LOW PASS but not more produce REVERB DEPTH high cause not amplify the low frequency, Its filter only. BUY Pre-amp IC 8Pin 4558D 10pcs wholesale 50pcs wholesale RC4558D Datasheet