Fiio E9 Desktop Headphone Amplifier
The FiiO E9 desktop headphone amplifier offers truly stunning audio performance and versatility to headphone and audio enthusiasts. Its sleek and modern form factor, while minimalist in appearance, belies the engineering marvel within. The E9 has exceptionally low noise and distortion, providing enough power to drive the most demanding headphones up to 600 ohm with excellent dynamics and clarity.The E9 also serves as a dock for the E7 USB DAC and portable amp. When combined, the E9 and E7 becomes a seamless high fidelity audio interface for any computer, allowing noisy internal sound cards in computers and laptops to be bypassed. With both a fixed and a volume controlled line level output, the E9 functions well as a pre-amp for driving power amps or active monitors.FeaturesDock connector for E7 USB DAC, also provides charging power  Two gain levels - Low (10dB) and High (18dB)  Two line-level outputs - 1/8(3.5mm) volume controlled, and stereo RCA fixed level  Internal power converter module with high efficiency, precision, and low noiseSpecifications  Output power - 1W (16 ohm); 80mW (600 ohm)  Headphone Impedance Range - 16 ohm ~ 600 ohm  Frequency Response - 10 Hz - 100 kHz  SNR - ~ 100dB (A weight)[LINE IN]  Distortion - <0.003% (100mW) [LINE IN] - Line Out - 2V rms  Pre Out - 0-2V rms  Power - DC15V/ 1.5A  Size - 5.9 x 3.8 x 3.8 in. / 149mm   96mm   56mm  Weight - 15.6 oz. / 445g