Every field carries its own trust-tier: core data is confirmed by the manufacturer, peripheral data — by AI (with a source link). Safety-critical parameters (load ratings) are never published below vendor-claimed — a liability requirement.
NEXO NXAMP4x4 (recommended, 2 x MSUB18 per channel) / NXAMP4x2mk2 / NXAMP4x1mk2 (bridge mode)