Enhance your audio experience with the W Audio W-4800 Hi-End Audio Grade Noise Filter Power Distribution Unit. This PDU is designed to filter digital noise by more than -10dB (2MHz-100MHz) and restrain interference above 1kHz, providing cleaner power for your sensitive audio and video equipment. It features a total of 8 universal outlets: 4 direct (non-filtered) outlets and 4 filtered outlets, allowing you to choose the appropriate connection for each device. The robust design ensures stable power delivery and improved signal clarity. Perfect for audiophiles, home theater enthusiasts, and professional setups seeking optimal power quality.READ: New open box item. I opened it to test it and to make sure everything was working properly. Please look at all of the pictures to make sure you are happy with the item before purchase.