Reiss RS-RX12 ULTRA – 12" High Endurance Subwoofer 1200W RMS Dual Voice Coil 2x4Ω

Highlights

• High-endurance 12-inch subwoofer with 2x4Ω dual voice coil
• Massive power handling of 1200W RMS / 2400W max
• Designed for extremely high loads without loss of control
• Robust 3-inch voice coil for high thermal resistance
• Massive Ø 183 mm ferrite magnet for a powerful magnetic field

Description

The Reiss RS-RX12 ULTRA is an uncompromising 30 cm (12-inch) subwoofer, designed for audio systems where raw power, endurance, and bass presence are paramount. With 1200W RMS power and up to 2400W peak, this speaker is built to handle extremely high loads without loss of control; ideal for powerful urban installations, demanding SPL systems, and extreme daily setups.

The RS-RX12 ULTRA is available in D2 (2 x 2 ohms) and D4 (2 x 4 ohms) configurations, offering great wiring flexibility and easy compatibility with a wide range of amplifiers, from high-power monoblocks to multi-amplifier systems. Regardless of the version, this speaker delivers powerful and impactful bass, with a distinct character and striking physical impact.

Designed to withstand extreme loads

The design clearly focuses on durability and stability under high power. The robust 7.6 cm (3-inch) voice coil is designed for high thermal resistance and prolonged operation, while the large 183 mm ferrite magnet generates a powerful and stable magnetic field for precise control of the substantial moving mass.

Thanks to its low Vas value, the RS-RX12 ULTRA is perfectly suited for compact enclosures, while its massive cone ensures deep, dense, and powerful bass reproduction. This speaker prioritizes pressure, weight, and endurance over speed and lightness – an essential characteristic of an ULTRA speaker.

For serious bass installations

With its robust construction, considerable weight, and deep motor, the RS-RX12 ULTRA is a subwoofer that commands respect, both during installation and operation. It is ideal for systems where the amplifier, power supply, and enclosure design are of as high a standard as the speaker itself.

The Reiss RS-RX12 ULTRA is the ideal choice for those seeking massive power handling, powerful low-frequency response, and a speaker designed to be pushed to its limits – whether you choose the D2 or D4 version.

Technical Specifications

Why choose it

• Massive 1200W RMS power handling for powerful urban installations
• Dual 2x4Ω voice coil allowing wiring at 2Ω, 4Ω, or 8Ω depending on configuration
• Available in D2 (2x2Ω) and D4 (2x4Ω) versions for maximum flexibility
• Deep bass from 40 Hz with a resonance frequency of 44.8 Hz
• Robust 3-inch voice coil for high thermal resistance and prolonged operation
• Large Ø 183 mm ferrite magnet for a powerful and stable magnetic field
• Significant moving mass of 293.5 g for deep and dense reproduction
• QTS of 0.793 suitable for compact sealed or bass-reflex enclosures
• Low Vas of 12.261 liters perfectly suited for compact enclosures
• Robust 11.3 kg construction designed for extremely high loads
• Prioritizes pressure, weight, and endurance for an ULTRA character
• Ideal for demanding SPL systems and extreme daily configurations
• Powerful and impactful bass with striking physical impact

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