In these head units the navigation is stored on a front panel MicroSDHC 4GB card. The software is from NNG (formerly known as Nav N Go) and features 15 million POIs. These systems are powered by a SiRFprima GPS receiver.
These units include built-in Parrot-Branded Bluetooth for Hands-Free calling and Stereo Audio Streaming; they are also HD Radio and Sirius Direct Connect Ready.
The NX501 and NZ501 will ship in the first quarter of 2011, said Clarion.