Down4Sound DOWN4SOUND SB 10" SUBWOOFER - 4 OHM DVC | 500W RMS

Description Warranty Information Additional Information 2 Reviews Description Upgrade your car audio experience with the DOWN4SOUND SB-10 Subwoofer, built to deliver precise, deep bass and exceptional clarity. Featuring a dual 4-ohm voice coil configuration and 500W RMS power handling, this subwoofer offers a perfect balance of compact design, durability, and high-performance audio. Engineered with a highly optimized suspension system and robust motor assembly, the SB-10 D4 is ideal for versatile installations and daily high-output use. Key Features 500W RMS power handling Dual 4-ohm voice coil configuration 2.5-inch high-temperature voice coil 21 mm one-way Xmax Highly optimized suspension Compact design suitable for versatile 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: 4 Subwoofer Size: 10 Product Type: Subwoofer Subwoofer Type: DUAL VOICE COIL View All Close 2 Reviews 5 Sb10 d4 Posted by Jimmy Barrett on Oct 27, 2025 Great sounding subs i installed the in a f150 Foxbox they fit perfectly 5 SB 10d4 Posted by Pete Kaltsas on Feb 20, 2025 These things have great sound quality. They hit hard and fast. Bass you can feel! Well worth the money. I’m thinking they’re are conservatively rated. They are still breaking in and sound better and better every day. I’m impressed thus far. View All Close