RC220 High Precision Passive Preamp Volume Controller HiFi

RC220; fever and other loudness preamp boards, the role is to process the frequency of the corrected audio, so that the sound quality is more balanced, so that the high frequency is not too prominent and sharp, so that the intermediate frequency gets a clear and natural effect, and the low frequency dynamic penetration is more Strong, high school bass colors are more delicate and soft, overall high school low frequencies are more delicate and full balance.
Upgrade the resolution of the high and medium frequency, improve the resolution of the high and low frequency, improve the full details of the high and low frequency, improve the penetration of low frequency, and the depth of low frequency dive.
For those who like subwoofer, you can increase the capacitance at C1, C2, C3, C4.
The width is 75mmx65mm.

Colour:black
Material:plastic

Package Contents:
1 x High Precision Passive Preamp

Only the above package content, other products are not included.
Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.