1pcs price1pcs price1pcs priceproduct description---------------------------------This module is developed by Mu Sheng Electronics for two years, during which it has undergone numerous changes and adjustments, in order to achieve the most balanced and natural sound performance.The module uses the twin JFET FET as the differential amplifier stage, the final drive transistor with the power transistor, large quiescent current, the circuit level are configured in Class A (Class A) working state, the last stage quiescent current is reached per channel 20mA, the quiescent current of the whole channel reaches 30mA. Very suitable for various types of current-output DAC to do I / V conversion. Such as ES9018, ES9028, AD1955, PCM1792 / 1794, and so on. Please note that the price marked for the price of a single module, the picture is two modules. ■ Physical picture ---------------------------------To replace the original op amp, align the square notch on the module with the groove on the player.■ Parameters ---------------------------------1. Operating voltage ± 5V ~ ± 18V2. Input leakage current <1nA3. Quiescent current 60mA (dual-channel op amp), 30mA (single-channel operational amplifier)4. Size 41mm (height) * 22mm (width) * 14mm (thickness)