Sundown Audio SD-Series v.4 8" Neo Subwoofer
Free Lanyard and Stickers With Every Purchase
Full Manufacturer Warranty On All Products
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- Multiple Financing Options
- Expert Support Before and After Purchase
- Free Shipping On Orders $75+
- Full Warranty On Every Product
About the Product
- RMS 400 watts
- Dual 2 or 4 ohm voice coils
- Optimized for small, sealed enclosures
- Lightweight Neodymium motor
- Computer-optimized foam “w” surround
- Two-inch 8-layer copper voice coil
- Large aluminum Faraday ring for smooth acoustic response
- Patented high strength cast aluminum frame
- Low distortion motor construction
- High-temperature voice coil wire
- Spring-loaded terminals
- Stitched-on tinsel lead wires
Specifications
| T/S SPECS | SD-4 8″ D2 | SD-4 8″ D4 |
|---|---|---|
| RE (Ohms) | 4.2018 | 6.4276 |
| FS (Hz) | 35.6841 | 36.2549 |
| VAS (L) | 12.1640 | 12.8320 |
| Qes | 0.5783 | 0.6561 |
| Qms | 5.7988 | 5.7301 |
| Qts | 0.5259 | 0.5887 |
| Le (mH) | 4.4242 | 6.0746 |
| BL (NA) | 13.1700 | 14.7716 |
| Mms (Grams) | 106.4747 | 97.7789 |
| Cms (uM/N) | 186.8295 | 197.0082 |
| Sens (dB @ 1w/1m) | 81.5509 | 81.4416 |
Enclosure Specifications
| Sealed Enclosure | 0.33-0.5 cu ft |
| Ported Enclosure | Not Recommended |
| Recommended Tuning | N/A |
| Recommended Port Area | N/A |
| Displacement | 0.07 cu ft |
| Depth | 4.6" |
| Outside Diameter | 8.70" |
| Cut-Out | 7.30" |
| Physical Dimensions | Download |
Free Shipping In the Continental US
Free shipping is available in the continental United States, excluding Hawaii and Alaska.
International shipping is available and calculated at checkout.
All orders will receive tracking once shipped through USPS, Fedex, UPS, and DHL.
Easy Returns
Return for refund within: 30 days
Return for replacement within: 30 days
Standard Return Policy Overview
You may return merchandise purchased from Showtime Electronics for a refund or a replacement, provided that the procedures and requirements are followed. All returns require a return merchandise authorization (RMA) number. An RMA number must be issued within 30 calendar days after the date of purchase. An RMA number is valid for 14 calendar days after it is issued. Once you log in to your user account, you will be able to Request and RMA. In addition, you can also request an RMA at the bottom of our homepage. If you have any issues, please email us at sales@showtimeelectronics.com
