The Massive Audio H124XR is a high-performance 12″ subwoofer engineered for competition-level audio setups. With a massive 377-oz strontium magnet, rigid cast-aluminum basket, and cutting-edge components like a Kevlar-reinforced cone and dual Nomex spiders, this 70-lb powerhouse delivers powerful, precise lows with extreme excursion and long-term reliability.
Key Features
- Power Handling: 3000 W RMS / 6000 W Peak
- Voice Coil: 4″ Dual 4 Ω on anodized aluminum former with Kevlar spun-lace
- Magnet: 377 oz double-stack strontium motor
- Cone & Suspension: Kevlar-reinforced non-pressed paper cone, mirrored Nomex spiders, tall-narrow foam surround, red stitching
- Basket & Cooling: Cast-aluminum vented basket, back-plate cooling, heavy-gauge direct leads
- Xmax: ~21.6 mm excursion
- Sensitivity: ~93.5 dB SPL @ 1 W/1 m
- Weight: Over 70 lb—handle with care