YIN LU MEI W0S 5-inch win10 player AK4497 decoding 4.4 output

Camera Equipped : No State of Assembly : Ready-to-Go Bundle : 1 Model Number : W0S AK4497 Compatibility : All Compatible Brand Name : Huo Guang Shu Origin : Mainland China Certification : NONE YIN LU MEI W0S 5-inch win10 player AK4497 decoding 4.4 output ultra-thin pure turntable Design preface: WoS redesigned the analog part and USB audio processor in response to foreign friends Replaced with classic SA9227 (more stable), DAC uses AK4497EQ, LPF retains OPA1612, while the amp structure is fine-tuned, and the front stage is replaced with OP A1622, a single OP can output a maximum of 145MA current (per channel), while losing The true is still extremely low, and the power tube expansion is still retained in the rear stage, so the thrust is extremely large; The working voltage difference of the operational amplifier of the power supply is increased to 14V~18V, and 3 groups of power supply are d. And the DAC uses Tls super L DO with extremely low ripple, darker background, and the analog section All sub-resistors adopt one-thousandth accuracy, 25PPM low temperature drift, ceramic capacitors Using X7R, tantalum capacitors are all from Rohm, AVX, Panasonic and other brands; The analog potentiometer is manually selected and paired to achieve a low volume and almost no bias, The battery life is about 5 hours without thickening, and it can be thickened, and the battery life is 6~7 hours. Time. No extra charge for thickening, place an order and leave a message; WOS is in terms of appearance and interface There is no difference with W0.