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Reiss RS-MB12QS4 12" Midwoofer 400W 4 ohm
Reiss RS-MB12QS4 12" Midwoofer 400W 4 ohm
Reiss RS-MB12QS4 12" Midwoofer 400W 4 ohm
Reiss RS-MB12QS4 12" Midwoofer 400W 4 ohm

Reiss RS-MB12QS4 12" Midwoofer 400W 4 ohm

Reiss RS-MB12QS4 12" Midwoofer 400W 4 ohm

The Reiss RS-MB12QS4 is a powerful and high-resolution 12-inch midbass driver, designed to deliver both punch and clarity in the midrange.

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€142.50 €150.00 -5%
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2 5% €15.00
4 10% €60.00
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Reiss RS-MB12QS4 12" Midwoofer 400W 4 ohm

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Reiss RS-MB12QS4 12" Midwoofer 400W 4 ohm .
Reiss RS-MB12QS4 – 12" midbass with power, sensitivity, and a wide frequency range The Reiss RS-MB12QS4 is a powerful and high-resolution 12-inch midbass driver, designed to deliver both punch and clarity in the midrange. With a power handling of 500W RMS (1000W max) and a 4 Ohm impedance, this is a highly efficient driver that excels in systems where volume and presence are key.
Its wide frequency range from 55 Hz to 5 kHz makes it ideal for both upper bass and midrange reproduction. A resonance frequency (FS) of 57.7 Hz, combined with a QTS of 0.242, indicates a fast and controlled driver suitable for ported enclosures or well-sized door installations. With a 2.5-inch voice coil, a moving mass of just 45.86 g, and a large Vas value of 64.3 liters, the RS-MB12QS4 offers dynamic response with sharp attack. A cone area of ​​522.53 cm² contributes to impressive sound dispersion and efficiency, even at high sound pressure levels.
Reiss RS-MB12QS4 is an excellent choice for anyone building a system where the midbass is expected to play loud, clean, and powerful – perfect for both competition setups and high-performance enthusiast builds.
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Technical Specification

  • Size of base element 12 ”
  • Power resistance RMS 500W
  • Power resistance max 1000W
  • Frequency range 55 Hz - 5 kHz
  • Impedance 4 ohms
  • Fs 57.702Hz
  • Re 3.2 Ohm
  • QES 0.245
  • QMS 17.522
  • QTS 0.242
  • VAS 64.313L
  • Speech Pole Size 2.5 ”
  • Magnet size Ø 220 mm
  • Sensitivity 99 db
  • CMS 165.878µm/n
  • MMS 45.864G
  • SD 52.253cm2
  • Outer diameter Ø 320 mm
  • Installation depth 126 mm
  • Mounting hole Ø 282 mm
  • Weight 7.8 kg
Reiss RS-MB12QS4
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