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FiiO K9 PRO ESS: Power and Precision in a Single Device
The FiiO K9 PRO ESS combines premium design with exceptional sound quality. Designed for the most demanding audiophiles, this desktop DAC/Amp features dual ES9038PRO chips and THX AAA 788+ amplification, achieving unprecedented performance in detail and power.
Key Features
- Dual ES9038PRO DAC: Eight parallel outputs per channel for maximum sound fidelity.
- THX AAA 788+ Amplification: Delivers up to 2100mW at 32 Ohms with minimal distortion.
- Six-stage audio circuit: Balanced design for pure and dynamic signal output.
- Analog-digital separation: Minimizes interference for a clean playback experience.
- Optimized power supply: Includes a low-frequency transformer and 4700uF capacitors.
- Dual femtosecond clocks: Ensures precise signal management for all inputs.
- Advanced Bluetooth with Qualcomm QCC5124: Supports LDAC, aptX HD, and aptX Adaptive.
- MQA Renderer: Decodes high-resolution audio for studio-quality sound.
Designed for the Most Demanding Users
Unmatched power: Provides up to 1100mW at 300 Ohms and 2100mW at 32 Ohms, effortlessly driving both high- and low-impedance headphones.
Premium components: Features ultra-low-noise operational amplifiers and LDO voltage regulators in each circuit stage.
Pure and Dynamic Sound
The K9 PRO ESS is designed for a rich, detailed sound experience with a balanced audio circuit that reduces component interference while preserving the dynamic nuances of your music.
Versatile Connectivity for Any System
Front:
- Balanced XLR 4-pin output.
- Balanced 4.4mm output.
- Single-ended 6.35mm output.
Rear:
- Balanced 4.4mm input.
- Optical, coaxial, Bluetooth, RCA, and USB inputs.
- RCA SE and XLR balanced outputs.
Side:
- USB-C port.
These connections make the K9 PRO ESS ideal for headphones, active speakers, and high-performance HiFi setups.
High-Resolution Bluetooth and Intuitive Adjustments
The Qualcomm QCC5124 chip provides low-latency wireless connections and supports high-quality formats such as LDAC and aptX Adaptive for an impeccable audio experience.
The ADC curve volume adjustment ensures smooth, noise-free transitions at all levels. RGB indicator lights add a modern touch, showing the active sampling rate.
Adaptable to Your Headphones
With three gain levels and a pure hardware circuit, the K9 PRO ESS accommodates a wide range of headphones, from sensitive models to high-impedance designs.
Premium Build and Custom Stand
The robust metallic design and included custom stand save desktop space and optimize heat dissipation through convection.
Additional Features
- MQA Renderer: Experience master-quality sound with support for high-resolution files.
- Dual clocks: Ensure precision for USB, Bluetooth, optical, and coaxial inputs.
- Stable power: Optimized linear power supply with high-quality components.
Versatile Applications
The K9 PRO ESS is a truly multipurpose device:
- Connect high-end headphones for studio-quality music listening.
- Use balanced outputs for active speakers in HiFi systems.
- Connect mobile devices via the USB-C port.
- Enjoy high-resolution Bluetooth for a fully wireless experience.
Rediscover your music with the FiiO K9 PRO ESS: a combination of power, precision, and versatility designed for the modern audiophile.
Specifications
Model: K9 Pro ESS
DAC: ES9038PRO*2
USB: XMOS XUF208
Bluetooth: QCC5124
LPF: OPA1612 * 2
Volume IC: NJU72315 * 2
Amplifier: THX AAA 788+ * 2
Linear transformer: THAILIN/BingZi
Color: Black
Volume adjustment: Potentiometer + ADC sampling
Weight: ~2750g
Channel balance: L12~R12 (0.5dB per level)
Gain: Low/Medium/High
FiiO Control: Supported
Bluetooth format indicator: Supported
Sampling rate indicator: Supported
Firmware updates: System and Bluetooth firmware can be updated via USB
Deep standby mode: Hold the multifunction button for ~3 seconds
Low battery reminder
Dimensions: 200 x 224.5 x 72 mm
Bluetooth transmitter/receiver (5.0) AAC/SBC/aptX/aptX LL/aptX HD/LDAC/aptX Adaptive
Bluetooth format indicator: SBC (blue), AAC (cyan), aptX HD (yellow), aptX (purple), aptX LL (purple), LDAC (white), aptX Adaptive (green)
Supported maximum sampling rate: 384kHz-32bit/DSD256 (USB DAC)
Recommended headphone impedance: 16~600Ω
192kHz-24bit (coaxial), 96kHz-24bit (optical)
Buttons and interfaces:
- Physical button + toggle switch
- USB Type-C, USB-B (data transfer)
- Single-ended line input: RCA jack
- Balanced line input: 4.4mm balanced socket
- SPDIF: Optical socket
- Coaxial digital input: RCA jack
- Balanced output interface: 4.4mm socket, XLR4 balanced jack
- Headphone output interface: Standard 6.35mm jack
- Balanced line output interface: XLR3 balanced jack
- Single-ended line output interface: RCA jack
Power Parameters
- Power supply: AC 110-115 V~/AC 220-230 V~ (recommended)
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