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[GRADE B] FIIO QOGIR E09K Preamplifier / Headphone Amplifier with Fock for DAC
The QOGIR E09K has the particularity to be both a preamplifier and a headphone amplifier. Continuity of the E9, it brings new features. Allowing to amplify all stereo analog audio sources by default, it can also be transformed into a more complete system by adding one of the mobile DAC of the brand.
![[GRADE B] FIIO QOGIR E09K Preamplifier / Headphone Amplifier with Fock for DAC](https://www.audiophonics.fr/47161-thickbox_default/-grade-b-fiio-qogir-e09k-preamplifier-headphone-amplifier-with-fock-for-dac.jpg "[GRADE B] FIIO QOGIR E09K Preamplifier / Headphone Amplifier with Fock for DAC")
![[GRADE B] FIIO QOGIR E09K Preamplifier / Headphone Amplifier with Fock for DAC](https://www.audiophonics.fr/47162-thickbox_default/-grade-b-fiio-qogir-e09k-preamplifier-headphone-amplifier-with-fock-for-dac.jpg "[GRADE B] FIIO QOGIR E09K Preamplifier / Headphone Amplifier with Fock for DAC")
![[GRADE B] FIIO QOGIR E09K Preamplifier / Headphone Amplifier with Fock for DAC](https://www.audiophonics.fr/47163-thickbox_default/-grade-b-fiio-qogir-e09k-preamplifier-headphone-amplifier-with-fock-for-dac.jpg "[GRADE B] FIIO QOGIR E09K Preamplifier / Headphone Amplifier with Fock for DAC")
![[GRADE B] FIIO QOGIR E09K Preamplifier / Headphone Amplifier with Fock for DAC](https://www.audiophonics.fr/47164-thickbox_default/-grade-b-fiio-qogir-e09k-preamplifier-headphone-amplifier-with-fock-for-dac.jpg "[GRADE B] FIIO QOGIR E09K Preamplifier / Headphone Amplifier with Fock for DAC")
![[GRADE B] FIIO QOGIR E09K Preamplifier / Headphone Amplifier with Fock for DAC](https://www.audiophonics.fr/47165-thickbox_default/-grade-b-fiio-qogir-e09k-preamplifier-headphone-amplifier-with-fock-for-dac.jpg "[GRADE B] FIIO QOGIR E09K Preamplifier / Headphone Amplifier with Fock for DAC")
By buying this product you get 11 loyalty points
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Refurbished product - Grade B
Very slight scratch on the left side of the unit. Packaging box damaged.
The FiiO QOGIR E09K is sold alone. The portable DACs visible on the pictures are not included.
FiiO QOGIR E09K
Preamplifier / Headphone Amplifier with Fock for DAC
The QOGIR E09K has the particularity to be both a preamplifier and a headphone amplifier. Continuity of the E9, it brings new features.
Allowing to amplify all stereo analog audio sources by default, it can also be transformed into a more complete system by adding one of the mobile DAC of the brand.
When combined with the E07 or E17, you have a USB DAC, headphone amplifier and preamplifier combo that can serve as the basis for a complete, powerful and advanced system.
Technical characteristics
| Specifications | |
|---|---|
| Product type | Preamplifier and headphone amplifier |
| Inputs | 1x USB-B 1x Stereo RCA 1x Dock for DAC |
| Outputs | 1x Stereo RCA line out 1x Stereo RCA pre-out 1x Jack 6.35mm headphone output |
| Headphone output power | > 220mW @ 32Ω > 290mW @ 16Ω |
| Headphone impedance | 16-100Ω |
| THD | < 0.003% @ 1kHz |
| Frequency response | 10Hz ~ 70kHz @ 32hm |
| Input sensitivity | Gain ON : 2.15V Gain OFF : 840mV |
| Crosstalk | > 69dB @ 1kHz |
| Gain | 16dB |
| Max output voltage | > 15.5Vp-p |
| Output impedance | < 10Ω |
| SNR | > 108dB |
| Max input level | 2.4V |
| Channel imbalance | < 0.05dB |
| Max output current | > 170mA |
| General | |
|---|---|
| Supply voltage | 15VDC 1.5A (power supply included) |
| Dimensions | 149 x 96 x 56mm |
| Weight | 440g |
| Color | Black |
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