Reiss RS-RX12 ULTRA D4
12" SPL subwoofer at 1200W RMS / 2400W Max with Dual 4 Ohm (D4). Built for intense airflow and deep bass reproduction.
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Description of Reiss RS-RX12 ULTRA D4
RS-RX12 ULTRA D4 – 12" SPL Subwoofer 1200W RMS / 2400W Max (Dual 4 Ohms (D4))
An uncompromising and powerful 12" SPL subwoofer from Reiss Audio, designed to deliver maximum sound pressure level, deep bass response, and extreme durability during continuous, heavy-duty operation.
Key Features and Benefits
- Power Handling: 1200W RMS / 2400W Max – Designed to handle massive power without compression.
- Voice Coil Configuration: Dual 4 Ohms (D4) – Flexible connection to a monoblock amplifier at 2 Ohms (parallel) or 8 Ohms (series), as well as 1 Ohm when mounting two subwoofers.
- Powerful magnet system & ventilation – Effective cooling that prevents heat buildup during extended playback.
- Reinforced cone & suspension – High linear excursion (Xmax) for deep and controlled sub-bass.
We recommend pairing this with a powerful Reiss Audio monoblock, a custom subwoofer enclosure from our selection of subwoofer enclosures, and heavy-gauge power cables for maximum performance.
Technical Specifications
| Size | 12" |
| Power Handling (RMS) | 1200W RMS |
| Maximum Power | 2,400W Max |
| Impedance | Dual 4 Ohms (D4) |
| Type | SPL Subwoofer / Bass Driver |
| Manufacturer | Reiss Audio |
Frequently Asked Questions About the RS-RX12 ULTRA D4
Which power amplifier is recommended for the RS-RX12 ULTRA D4?
We recommend a Class D monoblock from the Reiss RS-Z or RS-W series with an output power that matches or exceeds the driver’s RMS power at the selected impedance.
Does the RS-RX12 ULTRA D4 work best in a sealed or ported enclosure?
The driver performs best in a well-tuned ported subwoofer enclosure for maximum efficiency and deep bass, but also works excellently in compact sealed enclosures.
| Storlek på baselement | 12" |
| RMS power handling | 1200 W |
| Effekttålighet MAX | 2400 W |
| Frekvensområde | 40 - 500 Hz |
| Impedans | 2x4 Ohm |
| FS | 44.827 Hz |
| RE | 2×3.2 Ohm |
| QES | 0.909 |
| QMS | 6.221 |
| QTS | 0.793 |
| Vas | 12.261 L |
| Talspole storlek | 3" |
| Magnetstorlek | Ø 183 mm |
| Känslighet | 83 dB |
| CMS | 42.947 |
| MMS | 293.517 g |
| SD | 448,39 cm2 |
| Yttre diameter | Ø 320 mm |
| Inbyggnadsdjup | 177 mm |
| Monteringshål | Ø 281 mm |
| Vikt | 11,3 kg |