Pro Signal PSG3414 Hi Res Dac Headphone Amplifier

This device amplifies source device audio via SPDIF or USB to Hi - Fi headphones or line level output. It connects the headphone amplifier to the input device (PC or USB equipped OTG phone). It features intelligent controls and ergonomic design for comfort of use.

Input interface ...This device amplifies source device audio via SPDIF or USB to Hi - Fi headphones or line level output. It connects the headphone amplifier to the input device (PC or USB equipped OTG phone). It features intelligent controls and ergonomic design for comfort of use.

Input interface: USB/Toslink (Not included) Output interface: 3.5mm line level jack Frequency response: 20Hz to 20k - Hz Distortion: 0.001% @1k - Hz Headphone impedance: 16 to 600R Output impedance: <1R Output power: 262m - W @32R Dynamic range: 127d - B Supported systems: Windows 7 and up, Apple MAC OS/IOS, Android with OTG Power requirement: 5V DC 0.25A via USB Applications Sound & Video, Hobby & Education, Low Voltage, Signal Processing, Music Contents 1x Headphone amplifier, 1x Instruction Manual Footnotes Due to limitations in output current an external Lightning to USB converter may be required if the audio output from an i - Phone is low quality or broken. USB is not included.