MATCH UP X4MB-FRT - 4" Coax PnP Speaker Pair, MERCEDES | 4Ω 14 Channel DSP while the threaded hole on

while the threaded hole on the back allows a discreet integration into the vehicle

Engraved serial number on a stainless steel plate

Fully digital

SFX sound effects – Augmented Bass Processing

Potentiometer Yes Filter Defeat Function Yes Infrasonic Filter 30 Hz

MATCH UP X4MB-FRT - 4" Coax PnP Speaker Pair, MERCEDES | 4Ω 14 Channel DSP while the threaded hole onMATCH UP X4MB FRT Premium cars deserve premium sound the basic speaker setup in Mercedes vehicles does not meet the expectations of ambitious music lovers in many cases. For all those, the tailor made MATCH UPGRADE speaker systems offer the perfect alternative that opens new horizons of sound. The 2 way coaxial system UP X4MB FRT provides much better precision and dynamics across the whole frequency combined with a fantastic treble resolution thanks