After months of planning and preparation, the Marten Coltrane Supreme Extreme speakers were finally presented at the Tokyo International Audio Show 2025, together with Riviera Audio Labs, CH Precision, and others.
Coltrane Supreme Extreme Speakers
After months of planning and preparation, the Marten Coltrane Supreme Extreme speakers were finally presented at the Tokyo International Audio Show 2025, together with Riviera Audio Labs, CH Precision, and others.