Pioneer TS-A30S4 1400W 12" Entry "A" Series Subwoofer Reverse Cameras Continuous Power (4 W) 150

Continuous Power (4 W) 150 Watts x 2

Both are 8GA 4000 Series wiring kits with the same power wiring specification

2L Gen4 LSA OHV 16v Supercharged MPFI V8 6sp Man 2dr Utility RWD [11/14 - 08/15]

A separate fascia kit would be required for a double DIN installation in the Alfa Romeo 147

For those unfamiliar with Audi dash removal or stereo wiring

Pioneer TS-A30S4 1400W 12" Entry "A" Series Subwoofer Reverse Cameras Continuous Power (4 W) 150Designed to Perfectly Match the Pioneer A Series Full Range Loudspeakers Without Breaking the Budget Combining the latest design and technology with specifically selected materials these subwoofers provide high quality sound and excellent bass response. Match with Pioneer's GM A Series amplifiers for an impressive in car experience! IMPP Cone Construction 12 glass fiber and mica interlaced Injection Molded Polypropylene (IMPP) cone construction.