Best price for Sony DSX-A410BT is $99.99 inclusive of GST. This is presently the cheapest offer found from comparing prices from 7 shops in New Zealand.
Audio features
Number channels
4 pc
Form Factor
Form Factor
Form factor - Din is a standard that specifies width and height of the head unit. 2-Din is larger than single Din (or 1-Din as it's sometimes called).