Diamond Audio 12" HEX Pro 2Ω Dual Voice Coil Subwoofer 900W RMS - HXP122
Unleash relentless bass performance with the Diamond Audio HXP122 HEX PRO Series 12-inch dual voice coil subwoofer (2Ω), engineered for high-output car audio systems that demand extreme power, precision control, and long-term durability. As part of Diamond Audio’s flagship HEX PRO lineup, this 12" subwoofer delivers competition-grade output with refined musical accuracy.
At the core of the HXP122 12-inch subwoofer is Diamond Audio’s patented TDX (Thermal Dyne Extreme) Technology, integrating the motor structure directly into a rigid cast aluminum frame. This advanced design maximizes heat dissipation, allowing the subwoofer to perform at high SPL levels for extended periods while reducing power compression and increasing reliability.
With 900W RMS and 1800W MAX power handling, this high-performance car subwoofer is built to move serious air. Its oversized 3.5-inch high-temperature voice coil and ultra-high energy neodymium motor structure provide exceptional efficiency, output, and control. Combined with nearly 3 inches of linear excursion, the HXP122 produces deep, hard-hitting bass with outstanding clarity and precision.
The proprietary composite hex cone, reinforced with a NBR surround and dual progressive poly-aramid spiders, ensures superior strength and linear cone movement under extreme conditions. Integrated radial venting and a vented pole piece further enhance cooling and consistent performance.
The dual 2-ohm voice coil configuration allows flexible wiring options and improved amplifier efficiency, making it ideal for custom high-output builds and competition-level systems.
The Diamond Audio HXP122 HEX PRO 12-inch subwoofer delivers crushing bass, elite engineering, and competition-ready performance, making it the ultimate upgrade for serious car audio enthusiasts seeking power, precision, and reliability.
Features
• 12" dual voice coil subwoofer (2Ω)
• 900W RMS / 1800W MAX power handling
• TDX™ Thermal Dyne Extreme cooling technology
• 3.5" high-temperature voice coil for extreme output
• High-excursion design for deep bass extension
• Neodymium motor for efficiency and power
• Reinforced composite cone with NBR surround
• Optimized for high SPL and custom audio systems
What our Experts Think
-
Competition-grade 12" subwoofer – The HXP122 HEX Pro Series is engineered for enthusiasts who demand extreme output, deep bass, and exceptional sound accuracy in high-performance audio systems.
-
Massive power handling – Rated at 900W RMS / 1800W Max, it's built to handle serious amplifier power while maintaining clean, controlled bass output.
-
Flexible dual voice coil design – The 2Ω dual voice coil configuration provides multiple wiring options, making it easy to optimize amplifier matching in custom installations.
-
Advanced TDX™ cooling technology – Diamond Audio's Thermal Dyne Extreme (TDX™) design integrates the motor into a cast aluminum frame for superior heat dissipation, reducing power compression during extended high-SPL sessions.
-
Premium high-excursion construction – Features a 3.5" high-temperature voice coil, ultra-high-energy neodymium motor, proprietary composite Hex cone, NBR surround, and dual progressive poly-aramid spiders for outstanding durability and precise bass reproduction.
-
Deep, accurate bass response – Nearly 3 inches of linear excursion, integrated radial venting, and a vented pole piece deliver powerful low-frequency extension with excellent control and minimal distortion.
-
Versatile enclosure compatibility – Performs exceptionally well in both sealed and ported enclosures, allowing installers to tune the system for sound quality or maximum output.
-
Expert choice for serious bass enthusiasts – An outstanding option for custom and competition-level systems that require premium engineering, extreme reliability, and hard-hitting, musical bass performance.
Q&A
Q: What is the Diamond Audio HXP122 designed for?
A: It is a 12-inch HEX Pro dual voice coil subwoofer engineered for high-output bass in custom car audio systems.
Q: What is the subwoofer impedance?
A: The HXP122 features a 2-ohm dual voice coil (2Ω DVC) design for flexible amplifier wiring options.
Q: How much power can the HXP122 handle?
A: It is rated to handle 900W RMS for powerful, reliable bass performance.
Q: What are the benefits of a dual voice coil subwoofer?
A: Dual voice coils provide greater wiring flexibility and make it easier to match compatible amplifiers.
Q: Is the HXP122 suitable for custom vehicle audio upgrades?
A: Yes. It delivers deep bass, high output, and premium performance for car and truck audio systems.
Maintenance Tips
Damage 
Loss 
Theft 
