ALPINE S2-Series 4" Component Speakers - S2-S40C Impedance_Dual 4 Ohm Two 20" Lengths of speaker

Two 20" Lengths of speaker wire with in-line tweeter crossovers

but goes a step further than most receivers by supporting AAC and LDAC in addition to regular Bluetooth streaming codecs

With the world’s first built-in Class-D amplifier the iLX-F511A reinvents head unit power

Tuned for S-Series

Filter slope (slope): -6dB/Oct~-48dB/Oct

ALPINE S2-Series 4" Component Speakers - S2-S40C Impedance_Dual 4 Ohm Two 20" Lengths of speakerIt's time for high res We're big fans of Alpine's push to give more drivers access to high res audio in the car. Using technology developed for their flagship F#1 Status Series, Alpine's Next Generation S Series car speakers provide access to all the wondrous detail of your favorite high resolution audio files at an appealing price. We recommend aftermarket power to drive these speakers, but even with factory power, their ultra wide frequency response