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The SoundQubed HDX4.2 is a competition-grade subwoofer engineered for relentless power, precision, and extreme low-end performance. Delivering a monstrous 4000W RMS and 16,000W burst power, this dual 1-ohm beast is designed to dominate high-output car audio systems. With a sensitivity of 84.9dB and a low resonant frequency of 34.4Hz, it delivers clean, powerful bass with commanding depth and control. A massive 402 oz magnet, oversized 4” high-temp voice coil, and 23mm Xmax allow for aggressive excursion and exceptional thermal durability. Housed in a reinforced steel frame, the HDX4.2 is the ultimate choice for serious competitors and bassheads demanding top-tier performance without compromise.
| Shipping | Most items ship within 1–3 business days. Delivery time varies by item, vendor, and destination. |
Need help before ordering? Contact Droppin HZ and we can help confirm fitment, power needs, or supporting gear for your build.
Description
The SoundQubed HDX4.2 is a competition-grade subwoofer engineered for relentless power, precision, and extreme low-end performance. Delivering a monstrous 4000W RMS and 16,000W burst power, this dual 1-ohm beast is designed to dominate high-output car audio systems. With a sensitivity of 84.9dB and a low resonant frequency of 34.4Hz, it delivers clean, powerful bass with commanding depth and control. A massive 402 oz magnet, oversized 4” high-temp voice coil, and 23mm Xmax allow for aggressive excursion and exceptional thermal durability. Housed in a reinforced steel frame, the HDX4.2 is the ultimate choice for serious competitors and bassheads demanding top-tier performance without compromise.
Shipping
| Shipping | Most items ship within 1–3 business days. Delivery time varies by item, vendor, and destination. |
Need help before ordering? Contact Droppin HZ and we can help confirm fitment, power needs, or supporting gear for your build.
REVIEW
Make sure this matches your bass setup.
Subwoofers perform best when the enclosure, amplifier, impedance, wiring, and electrical support all work together. Use these links to complete the system around this product.
