High-end audio and video fidelity are really all about fine-tuning products and the assembly of parts to attain optimal results. In these days of mass production and packaged goods, we overlook this simple truth. For convenience, manufacturers build some of these audio enhancements into the finished product. In reality, building audio enhancements into the packaged product is constrained by costs, new technology, and the law of dimishing returns. Thus the need to accessorize - to meet individual aspirations for performance and to change, enhance and heighten overall sound quality and video fidelity.