An ultra-compact stereo power amplifier, powered by Hypex NCOREx® technology,designed to enable Bi-amping, or use in BTL (Bridge Tied Load/Bridged) mode The AP-507 is a stereo power amplifier from the Reference 500 series, TEAC's premium compact hi-fi components with “letter size” footprint. Designed for flexibility, the AP-507 offers exceptional performance whether used as a standalone stereo unit or paired for advanced configurations like bi-amp mode or high-power BTL mode (350W/8 ohms). Its compact size and versatility also make it an excellent choice for enhancing AV surround sound systems. The AP-507 is equipped with TEAC's own custom tuned new generation "NCOREx" power amplifier module manufactured by Hypex in the Netherlands. The advanced “x” generation NCORE technology delivers an immersive, three-dimensional soundstage and a more expansive spatial presence. At the heart of its superior sound is TEAC’s in-house designed dual-mono buffer amplifier, refined with meticulous attention to component and circuit detail for unparalleled clarity and richness.Encased in a robust chassis, the AP-507 features a 2.8mm thick semi-floating aluminum top plate and an innovative 3-point Stress-Less Isolation Foot system. This precision-engineered design minimizes vibrations, creating a more open and natural listening experience.