A crossover panel designed for shelf speakers and similar setups offers precise, adjustable sound shaping with quality components and easy wiring. - 16-step high-current control knob for quick, precise tuning: sound quality settings span from 6dB to 12dB for flexible response control. - Flexible tone controls: bass selection includes bass, subwoofer, full-range, and low midtone; treble selection includes super highs, treble, mids, and micro treble to match your listening environment. - Detachable cross-wiring panel: two buttons enable different circuit combinations, allowing you to change the sound profile without rewiring. - Independent adjustable frequency divider: suitable for shelf speakers; lets you customize sound quality and effect to your preferences. - Build and components: uses special audio capacitors; the inductor is wrapped with high-temperature resistant copper-coated aluminum enamel wire; crossover comes with solderless terminals for easy connection. Applications and compatibility: - Ideal for upgrading bookshelf/station speakers in living rooms, providing tailored bass and treble without changing the entire speaker system. - Suitable for small home theaters or desktop audio where precise crossover control improves clarity and balance. - Useful for DIY speaker projects where adjustable crossovers and modular wiring simplify experimentation and tuning. This panel combines adjustable function, practical compatibility, and reliable construction to deliver customizable sound quality with a clean, attractive design.