Sundown Audio SD-3 12" (500-watts) Dual-4 OhmBuilt With Lord of Bass Parts(Single Subwoofer)
- Xmax = 14.5mm one-way by 70% BL
- RMS Power = 500-watts
- Under-Hung low distortion motor topology
- Solid pole piece with chamfered edges
- Black Aluminum 2.5" voice coil former
- High Temperature 8-Layer copper voice coil wire
- Large aluminum faraday ring (Magnet ID)
- Spring Loaded Terminals
- Stitched-On Tinsel Lead Wires
- Optimized for small sealed enclosures
- Inverted Rubber Surround to reduce front-mount depth
About Lord of Bass
With over 30 years of hands-on experience in the car audio industry, Lord of Bass is your one-stop source for subwoofer parts, speaker repair supplies, recone materials, and high-performance car audio gear trusted by DIY builders, professional reconers, repair shops, serious bass enthusiasts, and major car audio manufacturers worldwide.
Speaker Repair & Recone Parts As the world's largest supplier of car audio speaker repair parts, we stock an unmatched selection of components: voice coils, cones, spiders, surrounds, dust caps, baskets, motors, terminals, adhesives, and complete recone materials for a wide range of subwoofer models. If it exists in car audio, chances are we have it or we can build it.
Our Own Car Audio Line We also design and build our own line of car audio products engineered for serious power subwoofers, compression horn drivers, tweeters, and components ready for hard-hitting daily systems and competition-level builds.
Custom & OEM Solutions Need something specific? We offer custom loudspeaker builds and OEM manufacturing for projects of any size from one-off recones to full production runs. Many of the industry's biggest car audio manufacturers source their parts, components, and custom builds from us the same quality you get on every order.
Why Buy From Us
Whether you're reconing a single sub or assembling a full-blown high-power system, Lord of Bass has the parts, the knowledge, and the gear to help you get it done right.
Stay Connected Hit the Save Seller button at the top of this listing to follow Lord of Bass on eBay be the first to see new product drops, restocks, and exclusive deals on parts and gear.
Payment
We accept all payment methods supported by eBay's secure checkout.
Payment Timing Payment is expected at the time of checkout. If payment is not received within 4 days of order placement, the order will be automatically canceled and the buyer will be added to our blocked buyer list. No exceptions.
Sales Tax Where required by law, sales tax is automatically calculated and collected by eBay at checkout.
Wholesale & OEM Inquiries Shops, builders, and manufacturers interested in volume pricing or OEM/custom builds send us a message through eBay and we'll get back to you with pricing and lead times. Please note: all orders, including wholesale and OEM, require payment in full upfront. We do not accept purchase orders or offer NET terms.
Combined Shipping Buying multiple items? Combined shipping discounts are applied automatically at checkout just add everything to your cart and the savings will calculate on their own. For unusually large, heavy, or custom orders that may require a freight quote, message us before purchasing.
International Buyers International orders are processed through eBay's standard payment system, the same as domestic orders. Please note that any import duties, customs fees, taxes, or brokerage charges are the buyer's responsibility and are not included in the item price or shipping cost. Check with your local customs office for estimated fees before purchasing.
Shipping
We ship worldwide via USPS, UPS, and FedEx and we ship fast. Most orders go out within 1 business day of payment.
Handling Time Orders typically ship within 1 business day of cleared payment (Monday through Friday, excluding weekends and holidays). Custom builds and OEM orders have longer lead times that will be confirmed before production begins.
Shipping Methods & Costs Shipping is calculated at checkout based on weight, size, destination, and your chosen carrier. Available USPS, UPS, and FedEx options will appear on the listing page pick the speed and price that works best for you.
Tracking All orders ship with full tracking. Your tracking number is uploaded to eBay as soon as your package is on the way.
Domestic Shipping (USA) Standard ground service typically arrives in 3-7 business days depending on destination. Expedited options are available at checkout for faster delivery.
International Shipping International orders are handled through eBay's International Shipping program. Here's what that means for you:
Large & Freight Items Oversized subwoofers, full enclosures, or bulk orders may require freight shipping. For these items we'll arrange a freight quote and contact you with options before processing.
Damaged in Transit If your package arrives damaged, photograph the box and contents immediately and contact us within 3 days of delivery. Keep all packaging materials carriers may require physical inspection for damage claims.
Lost or Missing Packages Per eBay's policy, once tracking confirms a package has been delivered, our responsibility for the shipment ends. If your tracking shows delivered but the package is not in your possession, please:
Terms
By purchasing from Lord of Bass, you agree to the following terms and conditions:
Acceptance of Sale
Placing an order constitutes acceptance of the product as described in the listing. Please read all listing details, specifications, and compatibility information carefully before purchasing. If anything is unclear, please get in touch before checkout -- we're happy to help.Compatibility & Fitment
It is the buyer's responsibility to verify that the part is correct for their application. Speaker repair and recone parts must match the original specifications of the speaker being rebuilt. If you're unsure about compatibility, reach out before purchasing -- we'd rather answer questions upfront than deal with a return.Inspect Before You Install
Before installing any voice coil, recone kit, or speaker component, the buyer is required to:
Once a part has been glued, soldered, or otherwise installed, claims regarding impedance, fitment, transit damage, or visible defects can no longer be honoured. Take 2 minutes to check before you build -- it's the difference between a quick swap and a dead recone.
Installation
Speaker components, recone parts, and audio products are intended for installation by experienced builders, reconers, or qualified technicians. Damage caused by improper installation, incorrect wiring, mismatched components, or use outside of manufacturer specifications is not covered under warranty.
Warranty & Defects
All products are inspected before dispatch. If you receive a defective or damaged item, please open a case through eBay's Resolution Centre so we can resolve it promptly. Warranty coverage does not apply to parts that have been:
Custom Builds & OEM Orders
Custom-built products, OEM orders, and built-to-spec items cannot be returned once production has begun. Lead times will be confirmed in writing before any custom work starts.
Color, Finish & Specification Variations
Some products may show slight variations in color, finish, or appearance due to manufacturing batches, photography, and screen settings. Listed specifications are based on manufacturer or production data and may vary within normal tolerance.
Communication
We respond to all eBay messages within 24 hours, Monday through Friday (excluding weekends and public holidays). For technical questions, please be as specific as possible (speaker model, voice coil size, application, etc.) so we can get you the right answer first time.
Feedback
We aim for 5-star service on every order. If there's ever a problem, please reach out -- we'll always work to make it right.
Returns
We want every customer to be satisfied with their order. If something isn't right, here's how returns work at Lord of Bass.
Return Window
Return windows vary by product, ranging from 30 to 60 days from the date of delivery. The specific return window for your purchase is shown on the individual product listing -- please check there before assuming a timeframe.What IS Returnable
What IS NOT Returnable
How to Start a Return
Return Postage
Restocking Fee
A 15% restocking fee may apply to non-defective returns, returns missing original packaging, or returns requiring significant inspection or repackaging.
Refunds
Once your return is received and inspected, we'll process your refund within 2 business days to the original payment method. Refunds for parts showing signs of installation, modification, power damage, or impedance mismatch from improper verification will be reduced or denied per our Terms.