RS-M4BW 4" midrange for BMW with neodymium magnet

Reiss Audio
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€ 80,00
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Type
Midrange
Speaker Size
100 mm
RMS Power
80 Watt
Sensitivity
90 dB

Reiss Audio RS-M4BW 4" Midrange for BMW with Neodymium Magnet

Reiss Audio RS-M4BW is a 4-inch midrange specifically developed for upgrading compatible BMW audio systems. Thanks to OEM dimensions and the use of a neodymium magnetic motor, it represents a solution designed to improve the sound performance of the original system while maintaining perfect integration with the vehicle.

The high sensitivity and dedicated construction allow for a more detailed, dynamic and natural midrange compared to factory speakers, improving voice presence and instrument definition.

RS-M4BW Features

  • 4" midrange (100 mm)
  • Designed for compatible BMW applications
  • RMS Power 80 Watt
  • Impedance 4 Ohm
  • Sensitivity 90 dB
  • High efficiency neodymium magnet
  • Optimized dimensions for OEM replacement
  • Accurate midrange reproduction
  • High voice intelligibility
  • Lightweight structure with excellent weight/performance ratio
  • Ideal for BMW original system upgrades
  • Compatible with amplified and advanced OEM systems

The RS-M4BW was designed to improve the midrange, one of the most important areas of the sound spectrum as it contains much of the musical information and voices.

Compared to original transducers, it offers greater sonic openness, better detail definition and more natural voice reproduction. The neodymium magnet helps maintain high efficiency and response speed, making the sound more precise and dynamic.

The tonal balance is particularly suited to upgraded OEM systems, where a noticeable improvement is sought without altering the overall character of the original audio system.

Scheda tecnica

n-20260617115429-rsm4bw.pdf

Reiss Audio RS-M4BW Technical Specifications

  • Type: car audio midrange
  • Diameter: 4" (100 mm)
  • RMS Power: 80 W
  • Impedance: 4 Ohm
  • Sensitivity: 90 dB
  • Magnet: neodymium
  • Installation: compatible with BMW applications
  • Application: OEM upgrade and advanced car audio systems
  • Response optimized for midrange
  • Lightweight high efficiency structure
€ 80,00 Price incl. VAT