At High End Munich 2025, Swedish loudspeaker manufacturer Marten unveils two groundbreaking additions to its flagship Coltrane series: the Coltrane Supreme Extreme and Coltrane Quintet Extreme. Showcased at Atrium 4.1, Room F119, from May 15–18, 2025, these models represent the pinnacle of Marten’s engineering, combining advanced materials, custom drivers, and meticulous craftsmanship. The Supreme Extreme is presented as a static display, while the Quintet Extreme, limited to just ten pairs worldwide, offers a full demonstration, captivating audiophiles with its immersive sound.
Coltrane Supreme Extreme: The Ultimate Flagship
The Coltrane Supreme Extreme is Marten’s most ambitious loudspeaker to date, a five-way, dual-tower design that redefines high-fidelity performance. Requiring over 800 hours of hand-assembly in Sweden, it features a carbon fibre monocoque cabinet bonded with solid wood and aluminium for unparalleled rigidity. Its driver suite includes 1” and 3” pure diamond tweeters, a 7” beryllium midrange—the largest ever built—four 8” Crystalid mid-bass units, and five 10” aluminium sandwich bass drivers with ten passive radiators, delivering dynamic and emotionally engaging sound.
Key Features of Coltrane Supreme Extreme:
- Dual-Tower Design: Separates bass for optimized dynamics and resonance control.
- Custom Drivers: Includes diamond tweeters, a 7” beryllium midrange, and Crystalid mid-bass units.
- Jorma Paragon Cabling: Ensures signal purity with bespoke Marten terminals.
- First-Order Crossover: Maintains perfect time and phase coherence.
- Finishes: Available in Matte Walnut, Cherry, Maple, or Oak.
- Retail Price: €950,000 per set.
Displayed statically at Room F119 and Atrium 3, the Supreme Extreme offers a rare glimpse into Marten’s vision for uncompromising audio, with its official launch slated for later in 2025.
Coltrane Quintet Extreme: Limited-Edition Excellence
The Coltrane Quintet Extreme brings the Supreme Extreme’s innovations into a compact four-way design, tailored for real-world listening spaces. Limited to just ten pairs worldwide and finished in exclusive Piano Oak Green, it features a carbon fibre laminate cabinet with a sandwich baffle of aluminium, fibreboard, and solid wood. Its driver complement mirrors the flagship’s, with 1” and 3” diamond tweeters, a 7” beryllium midrange, and two 10” aluminium sandwich bass drivers, delivering fast, controlled bass and lifelike dynamics.
Key Features of Coltrane Quintet Extreme:
- Limited Edition: Only ten pairs worldwide in Piano Oak Green.
- Driver Suite: Shares diamond and beryllium drivers with the Supreme Extreme.
- Resonance Control: Carbon fibre cabinet with Marten Isolators for clarity.
- Jorma Paragon Cabling: Enhances tonal integrity with first-order crossover.
- Retail Price: €360,000 per pair.
Available for full demonstration at Room F119, the Quintet Extreme is paired with electronics from Audia Flight, Antipodes, MSB Technology, Innuos, TechDAS, DS Audio, and furniture from Artesania Audio, showcasing its rich and immersive performance.
Marten’s Philosophy: Precision and Purity
Both models embody Marten’s commitment to sonic excellence, leveraging a proprietary first-order crossover for perfect time and phase coherence, as seen in previous Coltrane models like the Quintet. The use of Jorma Paragon cabling, introduced at High End Munich 2025, ensures signal purity, while Marten Isolators minimize resonance, freeing the soundstage. The carbon fibre cabinets, a hallmark of the Coltrane series, offer superior resonance control, with the Supreme Extreme’s dual-tower design and the Quintet Extreme’s compact form each optimized for their respective purposes.
High End Munich 2025: A Showcase of Innovation
Marten’s presence at High End Munich 2025 extends beyond Room F119. At Room F120, the Parker Quintet Diamond Edition is demonstrated with Engström and MSB Technology. IsoAcoustics at Room F210 features the Parker Trio Diamond Edition in an A/B test, while Audia Flight (Room F122), Esoteric(Room F214), and Innuos (Room F106) showcase other Marten models. These exhibits highlight Marten’s versatility and commitment to pushing audio boundaries.
Availability and Pricing
The Coltrane Supreme Extreme retails at €950,000 per set, with availability expected later in 2025. The Coltrane Quintet Extreme, priced at €360,000 per pair, is limited to ten pairs, making it a rare collector’s item for discerning audiophiles. Both models are handcrafted in Sweden, ensuring uncompromising quality.
Why This Matters for Audiophiles
The introduction of the Coltrane Supreme Extreme and Quintet Extreme solidifies Marten’s position as a leader in ultra-high-end audio. With advanced materials like beryllium and diamond drivers, coupled with Jorma Paragon cabling and carbon fibre construction, these loudspeakers deliver a listening experience that is both technically precise and emotionally profound. High End Munich 2025 offers a unique opportunity to witness Marten’s vision for the future of sound.
