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Free standard shipping on select products
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
It's easy to get great bass when there's very little room with our new line of shallow mount subwoofers. The SRW8.4D (DVC) and SRW8.4 (SVC) mounts in little as 2.95 inches mounting depth and can be utilized in both ported and sealed boxes for great bass in a tight area. This sub handles 150 watts RMS and 300 watts Peak power with a 86 dB sensitivity which is very high for a shallow mount sub raising this model high above the bar. This sub comes in both dual voice coil 4 ohms (SRW8.4D) and single voice coil 4 ohms (SRW8.4) so you can wire appropriately to your amp for maximum power to bring all your music to life!
| Nominal Diameter | 8" |
| Nominal Impedance | 4 Ohms |
| RMS Power Handling | 150 Watts |
| Maximum Power Handling | 300 Watts |
| Sensitivity (1w/1m) | 86dB |
| Frequency Response | 25-250Hz |
| Recommended Lo Pass Crossover | 120Hz |
| Voice Coil Diameter | 38.6mm / 1.5" |
| Voice Coil Former Material | Aluminum |
| Winding Material | SV |
| Basket Material | Steel |
| Magnet Material | Ferrite |
| Magnet Weight | 32oz |
| Measurements | |
| Overall Diameter | 215mm / 8.46" |
| Front Mount Baffle Cutout | 181mm / 7.12" |
| Overall Depth | 88mm / 3.46" |
| Mounting Depth | 75mm / 2.95" |


Please allow 3–7 business days for shipping. We only ship to the lower 48 states.
On some items, our live inventory may be depleted from previous days’ sales. In these cases, we may drop ship the item once it becomes available. If inventory is not in stock at the time of fulfillment, ATU will notify you with a resolution regarding backorder status.
Please be advised that ATU ships from over 10 warehouses across the U.S. In some cases, items may be drop shipped to help speed up delivery times. On heavily discounted parts (i.e. differentials), tracking information may not be provided.
Our site is always available whenever you want to upgrade your ride. Orders can be placed 24/7/365.
Our passionate customer support team is happy to help with any questions or concerns.
Email: orders@allthingzutv.com
Phone: 256-686-4888
For returns, please use the link at the top of this page to access our return form. Download, print, and fill out the form completely, then ship it in the same box as the product you are returning.
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