Coltrane Quintet Extreme

Marten introduced two groundbreaking additions to its Coltrane series: the Coltrane Supreme Extreme (€950,000 per pair) and Coltrane Quintet Extreme (€360,000 per pair), showcasing unparalleled craftsmanship and audio innovation.

The Supreme Extreme features a dual enclosure with 1-inch and 3-inch pure diamond drivers, the largest-ever 7-inch beryllium midrange, exotic materials like carbon fiber, and extensive hand-assembly for unmatched sound quality.

Limited to 10 pairs, the Quintet Extreme offers a compact four-way design with the same cutting-edge drivers, a carbon fiber laminate cabinet, and precise first-order crossover for lifelike dynamics and superior resonance control.