BMW42S 4" 4Ω OEM replacement Component System

Performance Driven Audio.

XFR OEM Series Components redefine the boundaries of sonic euphoria with lush, crystal clear image and dynamics the way music was intended to be heard. XFR OEM Series Components garner exquisite definition and detail.

An experience all it’s own. Be part of it. 


  • Specially formulated glasfiber cone coupled to an ASV voice coil
  • Shallow mount 4” midrange with OEM chassis
  • XFIRE neodimium motor structures
  • Butyl rubber surround
  • 25mm textile softdome tweeter with OEM “click-in” chassis


  • Power Handling : 300W Max
  • Power Handling : 75W RMS
  • Impedance : 4Ω
  • Sensitivity : 83,7dB/2,83V/1m
  • Frequency Response : 85 - 25000Hz
  • Recommended HP X-over Frequency : 110-200Hz
  • Mounting Depth Midrange : 1.00” (25mm)