Reiss RS-MB12K S8

Reiss RS-MB12K S8 – 12" Midbass 800W RMS with power, precision, and musical control

Reiss RS-MB12K S8 is a 12-inch midbass driver developed for audio enthusiasts who demand uncompromising performance. It delivers powerful midbass with fast response and high precision – perfect for those who want both deep energy and sharp attack in their audio system. With its robust construction and high power handling, the RS-MB12K S8 is built to perform even under extreme conditions.

Raw power and efficiency

With a power handling of 800W RMS and up to 1600W max, the RS-MB12K S8 can handle high sound pressure levels while maintaining control and clarity. A 96 dB sensitivity makes the driver efficient even with moderate amplification, while the wide frequency range of 50–5000 Hz makes it flexible for both 2-way and 3-way systems.

Built for high performance

• Cone: Reinforced pulp paper cone that combines low weight with high rigidity for natural and accurate reproduction
• Surround: Treated cloth surround providing controlled cone movement and long durability
• Basket: Sturdy aluminum basket for optimal cooling and structural strength
• Magnet: Powerful ferrite magnet (Ø 220 mm) with high magnetic density for precise cone control
• Voice coil: CCAW (Copper-Clad Aluminum Wire) for low weight and efficient heat dissipation

Designed for precision and endurance

The RS-MB12K S8 is optimized for both SPL and SQ applications. With a resonance frequency (Fs) of 60.14 Hz and a QTS value of 0.399, it delivers tight, fast, and controlled bass response. The large cone area of 518.84 cm², combined with a powerful motor structure, creates a rich and dynamic sound image that is felt as much as it is heard.

With an outer diameter of 314 mm, a mounting depth of 135 mm, and a weight of 9.95 kg, the RS-MB12K S8 is a substantial driver built to withstand demanding use. A midbass for those who want pure power, fast attack, and musical control all in one.