Reiss RS-KJ12 – Heavy-Duty 12" 2000W RMS Dual Voice Coil 2x4Ω Subwoofer
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Description
Description
Highlights
- Robust 12-inch subwoofer with 2x4Ω dual voice coil
- Power handling of 2000W RMS / 4000W max
- Massive bass from 30 Hz to 500 Hz with control and precision
- Sturdy chassis with ventilation ports for efficient cooling
- Durable construction designed for demanding installations
Description
The Reiss RS-KJ12 is a powerful 12-inch subwoofer designed to deliver massive bass and high endurance, even in the most demanding audio systems. With a power handling of 2000W RMS (4000W max), it handles extreme sound levels without losing control or precision.
Power and Control
The speaker operates in a wide frequency range from 30 Hz to 500 Hz, offering both deep and controlled bass reproduction. With a sensitivity of 84.3 dB, it combines power and precision – perfect for music listening and SPL installations.
Robust Construction
The 3-inch voice coil, combined with a moving mass of approximately 300g and a cone surface area of 498 cm², ensures high air displacement and a solid foundation in the lower registers. The sturdy basket with ventilation ports guarantees efficient cooling and long-lasting performance, even under heavy load.
Designed for Demanding Installations
With a weight of 10 kg, a mounting depth of 159 mm, and a cutout diameter of Ø 283 mm, the RS-KJ12 is designed to withstand difficult installations without compromise. Its robust construction with a powerful magnetic system offers both durability and reliability in the most demanding configurations.
Key features:
- 2000W RMS power handling for sustained performance
- 4000W max power for dynamic peaks
- 2x4Ω dual voice coil offering wiring flexibility (2Ω, 4Ω, or 8Ω)
- 3-inch voice coil for good thermal management
- 295g moving mass for powerful excursion
- 498 cm² effective surface area for high air displacement
- Powerful Ø 164 mm magnetic system
- Sturdy chassis with ventilation ports for efficient cooling
- QTS of 0.27 ideal for bass-reflex enclosures
- Vas of 20.1 liters for generous enclosure volume
Technical Specifications
| GENERAL CHARACTERISTICS | |
| Model | Reiss RS-KJ12 |
| Size | 12 inches (30 cm) |
| RMS Power | 2000 W |
| MAX Power | 4000 W |
| Impedance | 2 x 4 Ω (dual coil) |
| Frequency Range | 30 – 500 Hz |
| Sensitivity | 84.3 dB |
| THIELE & SMALL PARAMETERS | |
| Fs (Resonance Frequency) | 38.2 Hz |
| Re (Voice Coil Resistance) | 2 x 3.6 Ω |
| Qes | 0.64 |
| Qms | 4.8 |
| Qts | 0.27 |
| Vas (Equivalent Volume) | 20.1 liters |
| Cms (Suspension Compliance) | 71.2 µm/N |
| Mms (Moving Mass) | 295 g |
| Sd (Effective Surface Area) | 498 cm² |
| DIMENSIONS AND MOUNTING | |
| Voice Coil Size | 3 inches |
| Magnet Size | Ø 164 mm |
| Overall Diameter | Ø 318 mm |
| Mounting Depth | 159 mm |
| Mounting Holes | Ø 283 mm |
| Weight | 10 kg |
Why choose it
- 2000W RMS power handling for demanding audio systems
- 2x4Ω dual voice coil allows wiring at 2Ω, 4Ω, or 8Ω depending on configuration
- Massive bass from 30 Hz with a resonance frequency of 38.2 Hz
- Sturdy chassis with ventilation ports for efficient cooling
- QTS of 0.27 ideal for high-efficiency bass-reflex enclosures
- 295g moving mass offering powerful excursion and deep bass
- 498 cm² effective surface area for high air displacement
- Powerful Ø 164 mm magnetic system for optimal control
- Durable construction designed to withstand demanding installations
- 84.3 dB sensitivity combining power and precision
- Ideal for music listening and SPL installations
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