SoundQubed HDX Series 8-Inch Subwoofer
SoundQubed HDX Series 8-Inch Subwoofer - Dual 2 Ohm Voice Coil is backordered and will ship as soon as it is back in stock.
Shipping & delivery
Usually ships in 2–3 business days unless a different lead time is shown on this page. Shipping cost is calculated at checkout (UPS or USPS to the contiguous U.S.).
Shipping policy · Returns · Fitment questions? (561) 207-7988
Delivery and Shipping
Delivery and Shipping
Standard order processing is 2–3 business days unless this product or your order confirmation states a different lead time. Custom-built, made-to-order, backorder, and pre-order items follow their stated lead times.
Enclosures and subwoofer boxes ship for $50 per unit. Other shipping charges are calculated at checkout. Orders outside the contiguous 48 United States may require additional shipping; we will contact you for approval before shipment.
Subwoofer boxes ship UPS Ground where available. Read our Shipping Policy and Return and Refund Policy for delivery, product-specific return windows, and warranty details.
SoundQubed HDX Series 8-Inch Subwoofer
SoundQubed HDX Series 8-Inch Subwoofer - Dual 2 Ohm Voice Coil is backordered and will ship as soon as it is back in stock.
Description
Description
Turn every drive into a front-row concert experience with the heavy-duty SoundQubed HDX Series 8-Inch Subwoofer. Engineered for serious bass enthusiasts, this powerhouse handles up to 850 Watts RMS to deliver ground-shaking low frequencies directly to your ride.
Its rugged construction withstands everyday high-volume adventures across cars, trucks, and UTVs without breaking a sweat. Dial in that deep, punchy resonance and bring your favorite playlists alive with unrelenting musical power.
| Brand | SoundQubed |
| Model | HDX 8 |
| Woofer Size | 8" |
| RMS Power | 850 W |
| Peak Power | 1700 W |
| Magnet Weight | 125 oz |
| Voice Coil Diameter | 2.5" |
| Voice Coil Length | 36 mm |
| Resonance Frequency (Fs) | 42.157 Hz |
| Sensitivity (1W/1m) | 82.1 dB |
| Xmax | 12 mm |
| Mounting Depth | 5.59" |
| Cutout Diameter | 7.244" |
| Displacement | 0.09 cu ft |
| Sealed Enclosure Volume | 0.35 - 0.75 cu ft |
| Ported Enclosure Volume | 1.0 - 1.5 cu ft |
| Equivalent Volume (Vas) | 5.122 L |
| Total Q (Qts) | 0.391 |
| Electrical Q (Qes) | 0.401 |
| Mechanical Q (Qms) | 4.841 |
| Moving Mass (Mms) | 149.338 g |
| BL Product | 17.56 T-m |
| Piston Area (Sd) | 20.106 sq in |
Fitment & installation
Fitment & installation
Check the selected part against your vehicle. Need help? Call (561) 207-7988.
Selected part: SQ-HDX8
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Read FOX’s application notes for part 987-24-001 (rear shock)
Payment & Security
Payment methods
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