Audio DSP PCB Design Needed

I need a complete board designed around an audio-grade DSP that will sit at the heart of a home audio system. The board must include on-board equalizer control as its core feature and run from a stable AC-adapter input—no battery support required... (Budget: ₹1500 - ₹12500 INR, Jobs: Analog Electronics, Audio Engineering, Circuit Design, Documentation, Electrical Engineering, Electronics, Embedded Systems, Firmware Development, PCB Layout, Signal Processing)