DUNU DTC480 Portable DAC AMP Dual CS43198 Headphone AmplifierDTC 480 Portable DAC Amp Key Features Dual CS43198 Flagship DAC Chips: Equipped with two flagship level DAC chips, delivering outstanding decoding performance and professional audio architecture. 130dB Dynamic Range: Achieves a wide dynamic range and high signal to noise ratio, ensuring pure and stable sound quality. Full Metal Body: Crafted from a single block of aluminum alloy with a refined sandblasted texture for efficient heat dissipation and