Sales and pre-sale assistance: 1-800-336-4525
Technical help: 1-800-336-4525
Parts and accessories: 1-800-336-4525
The JBL® MS-12SD4 is a high-performance, high power-handling, dual voice-coil subwoofer designed to create smooth, powerful bass in your car. The subwoofer’s dual 4-ohm voice-coil design, with 1800 watts peak power handling, allows for a wide variety of connection options. You can use this sub with any amplifier that can deliver appropriate power, such as the JBL MS-A5001 digital signal processing amplifier. The sub features advanced components that include rigid polypropylene cones, stitched tri-laminate surrounds, vented magnet assemblies and non-magnetic, cast-aluminum frames.
Warranty: 1 Year Warranty
Your model might be eligible for direct factory exchange under our warranty program. If so, and if you purchased your product online or from an authorized local retailer, you may use this form to request an exchange. Purchases made from an unauthorized dealer will not be eligible for exchange.
Products under warranty may qualify for an exchange with a valid receipt.
Products out of warranty need to be serviced by a JBL-approved service center. Please call 1-800-336-4525 to find authorized service centers near you.FIND LOCATIONS
|Sensitivity||(1W @ 1m) 87dB SPL|
|Power Handling (RMS)||900W|
|Power Handling (Peak)||1800W|
|Frequency Response||(-10dB) 30Hz-400Hz|
|Nominal Impedance||4+4 ohms|
|External Diameter (in)||12-13/16|
|External Diameter (mm)||326|
|Mounting Cutout Diameter (in)||10-14/16|
|Mounting Cutout Diameter (mm)||277|
|Mounting Depth (in)||6-12/16|
|Mounting Depth (mm)||171|
|USA Warranty Length||1 Year Warranty|