GM Ford Volkswagen Speaker Replacement Pioneer TS-G670 Coaxial Speakers | UK Pioneer Speakers These speakers can be ran off either a head-unit or an amplifier, making them very versatile and applicable for most vehicles. Upgrade your car audio system with the Pioneer TS-A878 2-Way Coaxial Car Speakers. These 3-1/2 round speakers deliver premium audio performance, enhancing audio details and improving acoustic clarity for a truly immersive listening experience Available in most common sizes, the A-Series speakers make for a great audio upgrade. Pioneer Speakers - Versatile Car Audio with Clear Custom-Fit for GM, Ford and Volkswagen Vehicles Box Contains 2 x TS-A878 3.5 Inch Coaxial Speakers | 3 1/2 inch car speakers | 3 1/2" speakers Product Description The A-Series speakers are your solution to upgrading those worn out factory speakers. The passive crossover network will blend the mid-woofer and tweeter for a perfectly balanced sound all throughout the audible frequency range. The soft dome tweeter uses Wave Guide technology in order to increase the sensitivity, thus providing great articulation in the high frequency spectrum.