100$ or more

Type: Amplifier

Input: 3.5mm

Headphone-out: 3.5mm

Internal Battery: Yes

Type: DAC + Amplifier

Input: USB

Headphone-out: 3.5mm

Internal Battery: No

Type: DAC + Amplifier

Input: USB / COAX / Optical

Headphone-out: 3.5mm

Internal Battery: Yes