"SONY Portable Headphone Amplifier PHA-3" SONY ・Supports balanced output. By configuring two amplifiers, one for each L/R channel, with positive and negative phase outputs, the ground line is kept clean, improving separation. Furthermore, it achieves improved resolution and sound localization by reducing the effects of power line noise, leading to improved S/N ratio. ・Equipped with high-quality DAC ES9018, S/N and anti-jitter... Manufacturer Model Number: PHA-3 Representative Color: Black Release Date: 2014/10/18 DSD Support: Yes High-Resolution Audio Support: Yes Power Supply: Lithium-ion #PHA-3 #Smartphone/Cameras Operation confirmed. Thank you. All items are as shown in the images. Regarding shipping, I will ship the same day if you contact me. However, there may be cases where it is difficult due to my circumstances or weather conditions, so I would appreciate your understanding. I am also listing this item on other platforms, so I apologize if it sells out. Portable Headphone Amplifier PHA-3 Brand: SONY