FiiO K9 Pro-ESS Desktop Headphone Amplifier
FiiO K9 Pro-ESS Desktop Headphone Amplifier
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Customer Reviews
I wanted this device, I got it. Everything came perfectly safe and sound. Thank you! 5 Stars!
Arrived quite quickly, only 6 days. Great amlifier, thank you!
Decent item, good store. The delivery is a little tight, but .. Everything worked out-with a sandwich to the office door.
Heat up, but sound is awesome
Very high quality. sound is good.
SPECIFICATIONS
Dimensions: 200x224.5x72mm
Weight: 2750g
Gain: L/M/H
Volume Scroll: Potentiometer+ADC Sampling
Channel balance: L12-R12 (0.5dB per level)
Maximum supported sampling rate: 384kHz-32bit/DSD256（USB DAC）/ 192kHz-24bit (coaxial)/ 96KHz-24bit (optical)
Hardware solution: DAC: ES9038PRO*2, USB: XMOS XUF208, Bluetooth: QCC5124, LPF: OPA1612 * 2, volume IC: NJU72315 * 2, AMP: THX AAA 788+ * 2, linear transformer：HAILIN/BingZi
Recommended headphone impedance: 16-600 Ω
Bluetooth receiver (5.0): AAC/SBC/aptX/aptX LL/aptX HD/LDAC/atpX Adaptive
Bluetooth format indicator: SBC: blue, AAC: cyan, aptX HD: yellow, aptX: purple, aptX LL: purple, LDAC: white, atpX Adaptive: green
Balanced line output performance parameters:
THD+N: ＜0.00025%(1kHz/10kΩ/dbA)
Crosstalk: ≥125dB (1kHz/10kΩ)
Frequency response: 20Hz~50kHz (-1.5dB)
SNR: ≥128dB (dbA)
Noise floor: ＜1.9μV（dbA）
Line Level: 5Vrms (1kHz/10kΩ)
Let customers speak for us
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Sounds great considering the size and price.
I recommend it
It's only now that I have an emotional appreciation of music.
Output from dm13 to light to K11 R2R
You can connect it and enjoy it with a vacuum tube amplifier.
It's comfortable and nice.
Cayin MT-45MK3 Hi-Fi Vacuum Tube Integrated Amplifier AB1 Class
FiiO FW3 LDAC True Wireless Earbuds with Custom PEQ
Nowadays, because of this product, the ears are strong.
It's great to buy these products at this price.
It is implemented as a mono system. It's very good.
Beautiful piece of equipment! I can not say too much about the sound after only 5 hours of listening, but it does sound gooood. 👍
Everything exactly as it appeared on the web. Very well.
Came safe and sound. Everything is fine!
