Match UP X4MB-FRT

Match UP X4MB-FRT – 2-way coaxial upgrade speaker for Mercedes vehicles

The UP X4MB-FRT is the coaxial member of Audiotec Fischer’s MATCH UPGRADE speaker family for Mercedes. It combines woofer and tweeter in one unit and replaces the factory speakers in models of the C-Class (205), E-Class (238/213), GLC (253) and S-Class (W222), offering a simple upgrade where a component system is not required.

According to the manufacturer, the speaker delivers more precision and dynamics than the stock speakers across the frequency range, with a 20 mm silk dome tweeter providing detailed highs. The sound is tuned for Mercedes vehicles, power handling is significantly increased, and the full dynamic potential is reached with one of Audiotec Fischer’s DSP amplifiers.

Key Features

• 2-way coaxial design: tweeter and woofer in a single unit.
• 20 mm silk dome tweeter: coated silk dome for refined treble.
• Integrated crossover: 6 dB slope, no external crossover to mount.
• Mercedes-specific tuning: sound characteristics optimised for Mercedes vehicles.
• Higher power handling: 60 W RMS / 120 W max.
• Coated paper woofer cone: for the low and mid frequencies.
• Exclusive baskets: developed for Mercedes mounting positions.
• Car-specific connectors: for straightforward plug-in installation.
• System expandable: combinable with other MATCH UPGRADE components such as DSP amplifiers.
• Supplied as a pair: two coaxial speakers plus manual.

Drivers & Construction

Each unit combines a coated silk dome tweeter (20 mm) with a coated paper cone woofer; there is no separate midrange. The outer diameter is 126 mm (4.96″). Baskets and connectors are developed specifically for Mercedes vehicles.

Acoustic Performance

• Power handling: 60 W RMS / 120 W max.
• Impedance: 4 Ω.
• Sensitivity: 89 dB (1 W / 1 m).
• Frequency response: 90 Hz – 25,000 Hz.

Crossover

The crossover is integrated in the speaker and works with a 6 dB slope.

Installation Notes

• Installation diameter: 90.8 mm (3.57″).
• Installation depth: 34.3 mm (1.35″).

Compatible vehicles and installation places as listed by the manufacturer (status May 2019):

• C-Class: Convertible A205 (from 2016) – front door / rear door; Coupe C205 (from 2015) – front door / rear door; Sedan W205 (from 2014) – rear door; T-Model S205 (from 2014) – rear door
• E-Class: Convertible A238 (from 2017), Coupe C238 (from 2017), Sedan W213 (from 2016), T-Model S213 (from 2016) – rear door
• GLC: SUV X253 (from 2015), SUV Coupe C253 (from 2015) – rear door
• S-Class: Sedan W222 (from 2013) – no installation place given on the page

Technical Specifications

Scope of Delivery

2 x Coaxial speaker MATCH UP X4MB-FRT
1 x Instruction manual