PSB M4U TWM True Wireless Micro Planar Earphones headphone proprietary mmcx crystal oscillator: NDK femtosecond crystal 55cm L-Shape MMCX (OB) 4mm pentacon connector and Color:M23 SS - Stainless Steel phono stage

PSB M4U TWM True Wireless Micro Planar Earphones headphone proprietary mmcx crystal oscillator: NDK femtosecond crystal 55cm L Shape MMCX (OB) 4mm pentacon connector and Color:M23 SS Stainless Steel phono stage crystal oscillator: NDK femtosecond crystal oscillator * 2 SoC：Snapdragon 660，DAC：AK4497EQ*2，LPF：OPA1662*2，AMP：LMH6644*2，NDK Femtosecond crystal oscillator*2 SoC: Samsung Exynos 7872，DAC：AK4497EQ*2，FPGA：A3P030，LPF：OPA1642×3，AMP：LMH6644*2，Volume IC : NJW1195 SoC: Samsung Exynos 7872，DAC：AK4493EQ*2，FPGA：A3P030，LPF：OPA1642×2，AMP：OPA926*2 Bluetooth chip：SAMSUNG S5N5C10B01 6330 Bluetooth chip：WCN3990，BT5 The ESS Technology ES9038Q2M SABRE32 Reference DAC that we use has a strong reputation in the high end audio market