Musway MWS844

The Musway MWS844 is a powerful 20 cm (8-inch) subwoofer with an ultra-slim design, developed specifically for space-saving car audio installations. With an installation depth of just 78 mm, it is ideal for compact subwoofer enclosures and custom installation solutions with limited space.

For precise and powerful bass reproduction, Musway relies on a particularly stable fiberglass composite cone, a robust steel basket construction, and a powerful 40-ounce magnet assembly. The generously sized 50-mm dual voice coil with 4 + 4 ohms allows for flexible adaptation to different amplifier configurations.

With 250 watts RMS and a maximum power handling capacity of 500 watts, the MWS844 offers high power reserves despite its compact dimensions. The long-throw design, with up to ±15 mm of mechanical excursion, ensures powerful bass reproduction. The subwoofer can be used effectively even in sealed enclosures with a volume of 9 to 15 liters.

Technical Specifications

• Manufacturer: Musway

• Model: MWS844

• Design: Passive flat subwoofer

• Speaker size: 20 cm (8 inches)

• RMS Power Handling: 250 watts

• Maximum power handling: 500 watts

• Impedance: 4 + 4 ohms

• Voice coils: 2 x 4 ohms (dual voice coil)

• Voice coil diameter: 50 mm (2 inches)

• Voice coil winding height: 28 mm

• DC resistance (Re): 2 × 3.6 ohms

• Diaphragm material: Glass fiber composite

• Diaphragm suspension: rubber surround

• Centering spider: Nomex

• Dust-proof cap: polypropylene

• Voice coil former: Fiberglass

• Basket material: Steel

• Magnet Type: Y30

• Magnet weight: 1,134 g (40 oz.)

• Magnet dimensions: Ø 134 x 20 mm

• Sensitivity (SPL): 83 dB (1 W/1 m)

• Sound pressure level: 89 dB (2.83 V/1 m)

• Resonance frequency (Fs): 40.7 Hz

• Mechanical Quality (Qms): 5.47

• Electrical Quality (Qes): 0.67

• Overall Quality (Qts): 0.598

• Volume Equivalent (VAS): 10.1 liters

• Diaphragm area (Sd): 214 cm²

• Moving mass (Mms): 97.5 g

• Voice coil inductance (Le): 0.82 mH

• Power Factor (BL): 8.22

• Linear travel (Xmax): ±10 mm

• Maximum mechanical deflection: ±15 mm

• Outer diameter: 214 mm

• Installation diameter: 182 mm

• Installation depth: 78 mm
  
  

Recommended Cases

Enclosed housing

• Recommended net volume: 9–15 liters

• Lower cutoff frequency (-3 dB): approx. 46 Hz

Bass-reflex enclosure

• Recommended net volume: 20 liters

• Bass reflex port diameter: 70 mm

• Bass reflex port: 38 cm²

• Bass reflex tube length: 31 cm

• Tuning frequency (Fb): 39 Hz

• Lower cutoff frequency (-3 dB): approx. 32 Hz
  
  

What's Included

• 1 Musway MWS844 20 cm (8") subwoofer

• 1 x User Manual