Iphone Video Output Cable

Does anyone know if you can use a Scosche AV cable to connect iPod / iPhone to an amplifier anological?

Scosche Introduces ShowTime, an output Audio and Video Cable for iPod and iPhone. The Showtime connects to your iPod and iPhone to TV or monitor devices with RCA A / V inputs. However, I can not find information about whether this cable is compatible with standard analog amplifiers …

Yes – that's exactly what he does – is the output connector iPod dock with RCA analog to your receiver or TV. Http: / / www.scosche.com/products/productID/1622

iPhone 3rd party AV output cable from DX w/Jailbroken iPhone 2G/3G/3GS running 3.0 Firmware