Features: Experience superior sound quality with the high to low frequency sound converter, designed to efficiently transform high frequency signals into rich, low frequency sound for enhanced listening pleasure. Featuring a transparent adjustable design, this converter allows users to monitor device condition easily while offering customizable settings through built in knobs for optimal performances. Ideal for audiophiles and music enthusiasts seeking hifi sound, as well as DJs and producers needing precise sound adjustments in various environments. Perfect for home theater systems, vehicle sound setups, and live performances, this converter enhances bass effects and optimizes sound delivery for immersive experience. It ensures durability and reliability, making it a long lasting addition to any sound system. Specifications: Component:Plastic Size:Approx.55x37mm/2.17x1.46inch Package Includes: 1pcs Adjustable Frequency Converter note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.