Thank you for viewing this product from among many others. This time, I am listing the following: KOJO Force bar S1P noise filter equipped tap, used, body only. Thank you in advance. It is said that noise in electrical appliances and audio equipment can affect the sound you hear. Depending on the nature of the filter, it can even change the sound quality. This noise filter was used in a set with a power tap that I am listing separately. Because they are from the same manufacturer, they worked well together, and I was satisfied with their use. It has excellent cost performance, so it is also recommended for those who want to take some measures from now on. KOJO Force bar S1P noise filter equipped tap Retail price: 29,370 yen (tax included) http://kojo-seiko.co.jp/products/forcebars1p.html This is a new concept connecting tap that incorporates a surge absorber (lightning protection) and a noise filter in one package. ・Built-in surge absorber ・Built-in noise filter By connecting it with other Force bar series, you can apply a noise filter to other taps. If they have a similar shape, they may be connectable even if they are not from the Force Bar series. The Force bar3P's outer casing size is equipped with a surge absorber (lightning protection) and a noise filter. Although surge absorbers were considered unfavorable in terms of sound quality, this has been overcome with the technology and know-how that has been cultivated. NANOPERM® material from Magnetec is used for the core material of the common mode choke coil used in the noise filter. The core material, which is characterized by its high magnetic permeability, achieves high impedance in the low frequency band (100k to several 100kHz) while having an extremely small DC resistance value of 0.0042Ω or less. In addition, there is little loss to high frequencies, enabling high efficiency and miniaturization, and it also powerfully drives the instantaneous supply current seen in audio equipment. Furthermore, the selection of materials and the selection of constants for the capacitor group through cut & try have successfully achieved the best matching with the common mode choke coil, greatly contributing to further improvement of S/N and a clear sound quality with a sense of dynamism and sharpness.