CLARION CX609A (2-DIN) with the following specs : PIONEER FH-P6050UB (2-DIN) with the following specs : SONY WXGT78UI (2-DIN) with the following specs : http://www.sony.com.au/product/wx-gt78ui
im going to say the clarion. it has more eq bands and its line out voltage for an amp is slightly higher than the sony.