Audison Prima APS 10 S4S 10" Car Subwoofer Driver Single 4 Ohm Sub with GrillPrima APS 10 S4S Subwoofer Driver 800 W Peak Power 250 mm 4 ohm Audison Prima Prima compact subwoofer family expands with the introduction of the new 25 cm (10 in.) APS 10 S4S, optimized for enclosures with a reduced volume starting from 10 liters. The configuration of the single 4 ohm voice coil makes it ideal to be driven by the new AP F8. 9 bit amplifier with built in DSP that delivers an outstanding 260 W RMS with two channels bridged. Also