Fiio E9 - User Manual

Details the 3.5mm and 6.35mm headphone output jacks and their characteristics.

Explains the function of the volume knob for power on/off and volume adjustment.

Describes the LED indicator's color changes for power status.

Covers DOCK connector, stereo line input, stereo sound output, and RCA line output.

Details the gain switch for impedance and the USB connector for E7.

Specifies the input port for the power supply and its voltage range.

Outlines key features including dual channel output, TI TPA6120 IC, OPA2134 buffer, and E7 integration.

Lists detailed specifications such as output power, impedance range, SNR, distortion, and dimensions.

Illustrates connection setups using audio sources with a 3.5mm audio line.

Shows connection methods via USB through E7 for audio output or speakers.

Advises on keeping dry, proper volume use, avoiding disassembly, and using correct power supply.

Provides solutions for problems like no sound, distortion, or unstable connections.

Lists items included in the package and outlines the warranty provisions.