ALPHA 4-8 4" ( 2 Each ) American Standard Series Speaker Car Audio 14 mm/N BL Product (BL)

14 mm/N BL Product (BL) 17 T-M Diaphragm Mass Inc

No crossover needed so no time alignment and phase issues or hassles in designs

Ideal for full-range

This is the same as many of the Bose drivers it resembles

Cloth-sealed

ALPHA 4-8 4" ( 2 Each ) American Standard Series Speaker Car Audio 14 mm/N BL Product (BL)Ideally suited for line arrays, car doors, side panels, and other tight fitting applications, the Alpha 4 is a versatile 110 watt driver that can be used full range, midbass, or as a midrange. They can be stacked in a column for vocal applications or with a tweeter and a sub for compact, high performance PA or MI applications. Applications Midbass Midrange Line Array Pro Audio Car Audio Bookshelf Speakers Satellite System Box Type: Sealed Vented