AK4497EQ Bluetooth Optical Coaxial OPA1612 Review

AK4497EQ Chip - This is a new generation of advanced 32-bit dual-channel digital-to-analog conversion chip using VELVET SOUNDTM technology. It achieves industry-leading low distortion characteristics and wide dynamic range. 4 Input Modes - The case is frosted, with moderate luster and metallic texture. The interfaces are all designed at the rear. It is convenient for wiring and prevents interference from other devices. It has four input modes: USB, optical, coaxial and Bluetooth 5.0. Higher Output Level - When you select Pr1, the output level of DAC can reach 3.0Vrms. At this time, the sound is more direct, the high frequency is more transparent, and a larger sound field can be obtained. Pr0 is Fixed mode,The DAC volume cannot be adjusted at this time and the output level is 2.0Vrms. Independent LDO Power Supply - Built-in high-performance power purification system with a dedicated filter circuit, to reduce background noise and distortion, the sound clearer, pure. Make every musical detail clear. TI Second Level OPA Chip - Equipped with OPA1612 second-level OPA chip from German Instruments (TI), excellent current drive capability and transient conversion rate, provide high-quality and powerful signals for your headphones. Bring a wider sound field and excellent sound quality analysis.