Alpine ILX-507 Digital Multimedia Receiver | Alpine S2-S40 Car Speakers | EchoMaster RVC 5721 Backup Camera - Bundle XDCLRAIC412 The package includes polyfill for

The package includes polyfill for optimized sound clarity

Whether it's the high-pitched notes of a violin or the sharp vocals in your favorite songs

and fade-resistant

Frequency response: 30Hz-16kHz ±3 dB

This enhancement ensures superior audio fidelity and a more accurate sound reproduction

Alpine ILX-507 Digital Multimedia Receiver | Alpine S2-S40 Car Speakers | EchoMaster RVC 5721 Backup Camera - Bundle XDCLRAIC412 The package includes polyfill forAlpine ILX 507 Digital Multimedia Receiver Alpine S2 S40 Car Speakers EchoMaster RVC 5721 Backup Camera Bundle This Bundle Includes: (1) Alpine ILX 507 Digital Multimedia Receiver (1) Alpine S2 S40 Car Speakers (1) EchoMaster RVC 5721 Backup Camera Alpine ILX 507 7" Digital Multimedia Receiver: Elevate Your Car Audio Experience The Alpine ILX 507 features a stunning 7" high resolution touchscreen with 1280 x 720 pixels, providing crisp and clear