N° d’article MS-12SD4_
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Additional Information
With a peak power rating of 1800 watts, the JBL® MS-12SD4 subwoofer will add serious muscle to any car audio system. But the MS-12SD4 is also about flexibility, offering you the exact wiring options you need to build the car audio system of your dreams. A 4-ohm, dual voice-coil design, the MS-12SD4 lets you wire the two voice coils in parallel (to get more output from your amplifier) or in series (to bridge your amp for adding a second sub) or . . . well, you tell us. The system design possibilities are almost unlimited – and the sound is exceptional. A Class D sub with a rigid laminated polypropylene cone, fabric surround and vented polepiece, the MS-12SD4 is optimised for sealed and vented enclosures with a vented, cast-aluminium basket that dissipates heat effectively to play louder and longer without power compression. Power, accuracy and dynamic range are what set JBL professional loudspeakers apart, and the JBL MS-12SD4 subwoofer has been engineered to the same exacting standards.
En résumé:
  • 25 – 1800 watts suggested amplifier power range
  • Rigid polypropylene cone
  • Stitched tri-laminate surround
  • Cast-aluminum frame
  • Vented magnet assembly
  • Flexible, dual voice-coil design
  • Small sealed and vented enclosure volumes
  • Spring-loaded connection terminals
  • Match with other JBL MS Series products
Contenu de la boite:
  • (1) MS-12SD4 Subwoofer
  • (1) Owners Manual
The JBL® MS-12SD4 is a high-performance, high power-handling, dual voice-coil subwoofer using advanced materials and innovative engineering to create smooth, powerful bass in your car. The subwoofer’s dual 4-ohm voice-coil design allows for a wide variety of connection options. You can use multiple subs to add bass, as many amplifiers – particularly the JBL MS-A5001 digital signal processing amplifier – easily drive multiple subwoofers. This sub features advanced components that include rigid polypropylene cones, stitched tri-laminate surrounds, vented magnet assemblies and non-magnetic, cast-aluminum frames for minimal power compression under extended use. Its peak power handling is 1800 watts, so it can handle tremendous power. It requires very modest enclosure volumes and performs well in either a sealed or a vented enclosure design. This subwoofer is truly a premium, performance-oriented product that can deliver excellent bass in your car.
Caractéristiques Générales:
Audio Specifications:
(1W @ 1m) 87dB SPL
Peak Power
Power Handling (RMS)
Power Handling (Peak)
Frequency Response
(-10dB) 30Hz-400Hz
Nominal Impedance
4+4 ohms
Mounting Cutout Diameter (in)
External Diameter (mm)
Mounting Depth (mm)
Weight (lb)
Weight (kg)
External Diameter (in)
Mounting Depth (in)
Mounting Cutout Diameter (mm)

You have the RMS of this sub listed at 900 RMS, but I see other sites listing it's RMS capability at 450 watts RMS... So is it really 450 or 900 RMS?

Posée par: Imdbtruth
The correct information is the MS-12SD4 can handle 900W RMS.
Répondue par: Mario at Customer Service
Date de publication: 2018-03-19
  • y_2018, m_6, d_21, h_24CST
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  • loc_fr_FR, sid_ms-12sd4_, prod, sort_[SortEntry(order=LAST_APPROVED_ANSWER_SUBMISSION_TIME, direction=DESCENDING)]
  • clientName_harmanaudio

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