Reiss RS-MB12K S8 12" Midbass 800W RMS Pair

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

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Raw power and efficiency

With a power tolerance of 800W RMS and up to 1600W peak power, the RS-MB12K S8 handles high sound levels while maintaining control and clarity. A sensitivity of 96 dB makes the speaker effective even with moderate amplification, while the wide frequency range of 50–5000 Hz makes it flexible enough for both 2- and 3-way systems.

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Built for high performance

Cone: Reinforced Pulp Paper Cone combines low weight with high rigidity for natural and accurate reproduction

Surround: Treated Cloth Surround for controlled cone movement and long durability

Frame: 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: Copper-Clad Aluminum Wire (CCAW) for low weight and efficient heat management

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Designed for precision and durability

The RS-MB12K S8 is optimized for both SPL and SQ applications. With a resonant 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 together 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 built-in depth of 135 mm and a weight of 9.95 kg, the RS-MB12K S8 is a solid build that can withstand tough use. A mid-bass for those who want pure power, fast attack and musical control in one element.

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