THXAAA-888 Headphone Amplifier with THX AAA Technology；

6 Watts into 16 Ohm, 3 Watts into 32 Ohm Headphones with lowest THD+N ；

0.1 Hz to 500 kHz(-3dB) Frequency Response ；

SNR＞137dB ;

THD＜0.00006% ;

Ultra-Compact Design, Perfect for Desktop Systems；

Balanced Stereo Headphone Output ；

Balanced Stereo Line Input；

High Precision Resistors for Temperature Stability ；

Pop-less Design with High-Quality Relays；

High precision and low noise 256 level relay volume control；

*In actual use, in order to make the volume more linear, the extra levels are shielded.

2 Positions Switchable Gain Control ；

Fully Protection with DC, Over-Voltage, Over-Current, Short-Circuit and

Thermal Protection on Headphone Amplifier ；

High-Efficiency Ultra-Low-Noise Power Supply .

1.9 inch LCD display