Massive Audio H84XR - 8" 1000 Watts RMS Dual 4 Ohm 2.5" V.C. Subwoofer
Massive Audio H84XR - 8" 1000 Watts RMS Dual 4 Ohm 2.5" V.C. Subwoofer is backordered and will ship as soon as it is back in stock.
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Description
Description
The Massive Audio H84XR is an 8-inch, 1000W RMS dual 4-ohm subwoofer designed for high-output musical installs, delivering deep, controlled bass with durability under heavy power loads.
- Size: 8" driver diameter for a compact enclosure with strong low-end impact.
- RMS Watts: 1000W continuous power handling for sustained, clean bass performance.
- Peak Watts: 2000W peak capability to handle dynamic transients without clipping.
- Voice Coil: 2.5" Dual 4 Ohm coils provide wiring flexibility and robust current handling.
- Cone: Non-Pressed Paper cone keeps mass down for responsive bass.
- Surround: Tall, narrow foam surround supports controlled excursion and stability.
- Magnet: 122oz dual-stacked Sr magnet delivers strong motor force and precise control.
- Terminals: Heavy-Duty Direct Input connections for secure, high-current terminations.
- Basket: Cast aluminum basket adds rigidity while remaining lightweight.
- X-Max: 14mm maximum linear excursion for deep bass before distortion.
- SPL: 84dB sensitivity (1W/1m) indicating how efficiently it converts power into sound.
- Enclosure options: Ported and Sealed boxes supported; see User Guide PDF for recommendations.
In a real car audio build, the H84XR excels in high-performance setups where space is limited but bass impact matters. Its 1000W RMS rating and 14mm excursion enable strong, musical bass with reliable heat management, aided by a vented back plate and heat-dissipating basket. The 122oz dual-stacked magnet, heavy-duty terminals, triple tinsel leads, and cast aluminum basket deliver durability against road vibrations and demanding use. The non-pressed paper cone, fiberglass-woven dust cap, and durable surround contribute to a natural, controlled bass response. Enclosure designs (ported or sealed) are specified in the User Guide, making the H84XR a solid choice for premium 8" builds or competition-level installations.
| Size | 8" |
| Peak Watts | 2000 |
| RMS Watts | 1000 |
| Cone | Non-Pressed Paper |
| Voice Coil | 2.5" Dual 4 Ohm |
| Surround | Tall and Narrow Foam |
| Magnet | 122oz Dual Stacked Strontium |
| Terminals | Heavy Duty Direct Input Wires Connection |
| Basket | Cast Aluminum |
| Tinsel Leads | Heavy Duty Triple |
| X-Max | 14mm |
| SPL | 84dB |
| Ported Box | See User Guide PDF |
| Sealed Box |
See User Guide PDF |
| Fs | 48 Hz |
| Re | See User Guide PDF |
| Le | See User Guide PDF |
| BL | See User Guide PDF |
| Qms | 2.037 |
| Qes | See User Guide PDF |
| Qts | See User Guide PDF |
| Vas | 4.47 Liters |
| Cms | 77.6 um/N |
| Mms | 113 g |
| Sd | 0.021 sq cm |
| Vd | 0.295 L |



