Accessport 2 is a dedicated Hi-Res Audio Amplifier for iOS devices that can get 24-bit Hi-Res Audio data from Lightning terminal-equipped devices as lossless audio handheld with a built-in DAC and amplifier. Accessport 2 is a unique Hi-Res Audio Amplifier for iOS devices that can get 24-bit Hi-Res Audio data from Lightning terminal equipped devices as lossless audio by hand with a DAC and integrated amplifier..PZA MORE SPECS