Bought one last year during Christmas at $123, it was the cheapest according to pricehipster. It's gone even lower now. It's a brilliant unit, easy to install and has all functions needed.
Key Features
55w × 4 Peak power output
Bluetooth and NFC
MEGA BASS
Front AUX and USB (iPod control)
CD-R/CD-RW/MP3/WMA/WAV/AAC/FLAC
3 PRE OUT
Configurable Steering Remote Input
Works with Pandora
Sound & Colour Synchronization
Dynamic Colour Illumination
I've got a similar one.. Great piece…