PHD Car Speakers ATI 6.1 Kit PRO 165 Woofer Tweeter Crossover SQ Made in ITALY
PHD ATI 6.1 KIT PRO. About of PHD. PHD Audiophile Sound Systems has been producing handcrafted Italian automotive audio products for nearly 30 years. 2ATI 6.1 MB PRO Woofer 165mm +. Magnete Woofer: Ferrite.