Design me a Product

Greetings!! I am looking for a R&D/product engineering services provider who can design me a prototype of 2.1 channel portable wired Multimedia speakers with the following features/specifications: 1 sub-woofer,2 satellite speakers Compatible Devices:TV, PC, DVD Player, MP3 Player Power output: 4W(Satellite), 7W(Sub-woofer) 1500W PMPO Dual RCA Port, Built-in OCL Amplifier, LED Power Indicator, 2.5 inch Full Range Driver for Satellite, 4 inch Bass Driver for Subwoofer Volume control,Bass control SNR: 65dB Impedance Satellite: 4 ohms Max Output RMS - per Satellite: 2 W Impedance Subwoofer: 4 ohms Max Output RMS - Subwoofer: 7 W Frequency Response: 20 - 160