Down4Sound DOWN4SOUND SB 12" SUBWOOFER - 2 OHM DVC | 500W RMS
Description Warranty Information Additional Information 2 Reviews Description Experience the perfect blend of power and precision with the DOWN4SOUND SB-12 Subwoofer, designed for enthusiasts who crave deep, clean bass. Featuring a dual 2-ohm voice coil configuration and 500W RMS power handling, this subwoofer is optimized for versatile setups and delivers consistent, reliable low-frequency performance. Its durable construction ensures long-lasting use in any car audio system. Key Features 500W RMS power handling Dual 2-ohm voice coil design 2.5-inch high-temperature voice coil 21 mm one-way Xmax Highly optimized suspension system Versatile design for a wide range of installs Technical Specifications ( This warranty does not cover improper installation, accidental damage, misuse, abuse, improper wiring, operation of unit outside of listed specifications, or any product that has been modified or repaired by anyone other than Down4Sound. Your warranty covers defects in materials and/or workmanship ONLY and is not an insurance policy. The warranty only covers the original owner of the amplifier. All warranty returns must be accompanied by the original sales invoice or receipt. You must contact us to request an RMA number prior to sending any returns via the RMA request form on our website. You are responsible for the cost of shipping your product back to us for warranty examination. If your product is covered under warranty, shipping back to you will be at no charge to you – if your product is replaced/repaired outside of warranty you must pay for return shipping and repair bill prior to the return of the product or if no defect is found you are required to pay for return shipping only. At the sole discretion of Down4Sound your product will be either repaired or replaced when it is being covered under warranty. In the event of shipping damage due to improper packaging on products being returned to Down4Sound the customer is liable for the cost of all damages, necessary repairs, or replacement. Be sure to properly pack your return! * Extended additional warranty purchased on amplifiers take effect from the date of purchase and must also be stated on original sales invoice or receipt. Refund/Return Policy: https://www.down4soundshop.com/shipping-returns/ Down4Sound - Hours of Operation Monday 6am - 9pm PDT Tuesday 6am - 9pm PDT Wednesday 6am - 9pm PDT Thursday 6am - 9pm PDT Friday 6am - 9pm PDT Saturday 8am - 4pm PDT Sunday Closed View All Close Additional Information Model: SB Ohm: 2 Subwoofer Size: 12 Product Type: Subwoofer Subwoofer Type: DUAL VOICE COIL View All Close 2 Reviews 5 Great Posted by Clarence Thurmond on Sep 12, 2025 This is a beast will be ordering another one paired with a jp8 5 SB 12 D2 Posted by Trey on Mar 20, 2025 Ordered the SB 12 paired with a mm1005 for my daughters car. Extremely impressed with both the subwoofer and amplifier! 2 cubes 32hz 1 4in aero and it gets down on only 500wrms. Excellent sound quality from doors and bass! She loves the purple amplifier aswell lol. View All Close
Thiele-Small Parameters
Measured at small signal levels per AES standards
Electromechanical
Fs
29.3 Hz
Re
4.03 Ω
BL
17.82 T·m
Q Factors
Qts
0.478
Qes
0.55
Qms
3.62
Compliance & Mass
Vas
46.41 L
Mms
235.5 g
Cms
0.1259 mm/N
Sd
510.1 cm²
Excursion
Xmax
21 mm
Sensitivity
SPL0
85.1 dB
Power Handling
Pe
500 W
Parameters measured per AES2-1984 (r2003) standards. Small-signal parameters valid within linear operating region.
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Frequently Asked Questions
What is the DOWN4SOUND SB 12" SUBWOOFER - 2 OHM DVC | 500W RMS?
The DOWN4SOUND SB 12" SUBWOOFER - 2 OHM DVC | 500W RMS is car audio equipment made by Down4Sound.
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