Griffin AirCurve Play For iPhone 4

If you are unsatisfied with your iPhone’s volume input, then you can use the Griffin AirCurve Play. This gadget will increase the volume output up to 10dB. The AirCurve Play collects the sound from the built-in speaker of your iPhone and uses the coiled waveguide to project the increased sounds into the room. The Griffin AirCurve Play is now available for $19.99 each.