The FW series is a product developed for audio applications. It has excellent performance and is very suitable for use in audio circuits. It is also commonly used by European and American Hi-End audio manufacturers. The FW series is suitable for decoupling and filtering of audio equipment. The sound is transparent and clear, the bottom of the sound is clean and tidy, the level is good, the low frequency is compact, the high frequency is penetrating, but the mid frequency is slightly weaker. Overall, it tends to be HIFI, refreshing, vigorous and modern.