Passive Monitor

SE MF-4

Passive Midfield Monitoring System |  

The SE MF-4 brings Strauss large-format technology into a more compact midfield monitor. Its 12-inch LIT woofer is derived directly from the SE MF‑2.1’s 15-inch LIT design, sharing the same low-loss motor concept, cone geometry, and control. Paired with a precisely time-aligned 1” compression driver, the SE MF‑4 behaves as a single coherent source, delivering seamless imaging, low distortion, and natural dynamics. Extending down to 28 Hz (-6 dB), it is ideal for critical mixing, mastering, and high-fidelity listening at 1.5–2.5 meter listening distances.

Key Features

  • Passive analog mastering studio monitor
  • Large-format midfield monitor for listening distances of 1.5–2.5 meters
  • Extended low-frequency response to 28 Hz (–6 dB)
  • 12-inch LIT woofer derived from the SE MF-2.1
  • Low-loss motor design for precise low-frequency control
  • 1-inch compression driver with constant directivity horn
  • Physical time alignment for coherent source behavior
  • Controlled 80° × 60° dispersion for stable acoustic performance
  • Low-distortion reproduction across the audible range
  • High-sensitivity design for natural dynamics and effortless resolution

Price per pair

$34,500.00
USD Pricing applicable to the U.S. market.
Shipping and taxes calculated at checkout.
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Technical Specifications

Drivers 1” compression driver, metal alloy diaphragm, neodymium magnet circuit, constant directivity horn; 12” LIT woofer, coated paper cone, neodymium magnet circuit
Sensitivity 91 dB / 1 W / 1m
Impedance 8 Ω nominal, 4 Ω minimal
Power 100 W RMS
Frequency range 28 Hz – 22 kHz (-6 dB)
Crossover frequency 1200 Hz
Distortion THD < 0.5 % (91 dB / 1m / 100 Hz – 22 kHz)
Dispersion 80° horizontal, 60° vertical
Weight 50 kg / 110 lbs
Dimensions H 910 mm × W 395 mm × D 510 mm
Finish Nextel anthracite, different colors on demand
The SE MF-4 combines a custom Strauss-developed 12-inch LIT woofer with a 1-inch compression driver at a 1200 Hz crossover selected to preserve coherent source behavior through the transition region. Low mechanical loss in the woofer, physical time alignment between the drivers, phase-coherent integration through the handoff, and the controlled radiation of the horn system work together to maintain transient fidelity, midrange continuity, spatial precision, and stable spectral balance in real midfield environments.
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