The cheapest way to do hdmi to RCA is one of the generic hdmi to VGA adapters on ebay or one of the chinese marketplaces (like this one.HDMI goes in, and you've got a 3.5mm audio output.

If you're looking to connect a computer to a TV or monitor, your choices are HDMI, DisplayPort, DVI, and VGA. What's the best connection?

Contrary to what continuum says (he's usually spot on, though), it's quite normal for a HDMI to VGA adapter to be fairly warm. Ballpark figure for a HDMI to VGA decoder is around 200 mA at 5 volts.

His method utilized a modified HDMI-to-VGA adapter. From the looks of it, apps like music for Google Play, Pandora, and Music All Access seem to able to be streamed through this device.

The pocket -sized video adapter is compatible with HDMI1.3, supports HDMI input from 480i to 1080P although 3D and HDCP are not supported. Other features of the new hardware include ...