Infinity Kappa: 60CSX (300 watt), 62IX (225 watt), and 20MX (195 watt) + Pioneer AVH4500NEX (wireless Apple CarPlay) + Audio Control LC-4.800 + fully sound deadened WRX frame + all rattles extinguished (summary in comments) : r/WRX
Infinity KAPPA 60CSX 6-1/2" (160mm) Two-Way Car Audio Component Speaker System w/ gap-Selectable Crossover • FREE Shipping • Audio Jam Inc. of Delaware
Infinity - Two Pairs of KAPPA-60CSX Kappa 6.5 Inch Two-Way Car Audio Component Speakers with Crossovers : Electronics - Amazon.com