This 2-pack of Massive Audio H84X subwoofers delivers chest-thumping bass in a compact 8″ size—high power, tight clarity, and engineered for tough installs. Each unit handles 800 W RMS, features dual 4 Ω coils, a hefty 100 oz strontium motor, Kevlar-reinforced cone and spiders, and full cooling structure for reliability and performance.
Key Features
- Includes 2 subwoofers (sold as a pair)
- Power Handling (RMS): 800 W Each / 1,600 W Per Pair
- Power Handling (Peak): 1,600 W Each / 3,200 W Per Pair
- Dual 4 Ω voice coils (2.5″ aluminum formers with Kevlar spun-lace)
- 100 oz double-stack strontium magnet for tight, controlled output
- Kevlar-reinforced paper cone, Nomex spiders, foam surround
- Cast-aluminum vented basket and backplate for thermal management
- Xmax: ~14 mm; Sensitivity: ~84 dB SPL @ 1 W/1 m
- Recommended box volumes: Sealed ~0.4–1 ft³; Ported ~0.6–1.2 ft³