Apos FiiO K9 Pro Ensemble

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Apos Ensembles are equipment bundles that have been specially curated by our team of audio professionals. Just as an ensemble refers to a group of musicians playing together, each of our ensembles is a coordinated group of equipment that we’ve brought together to form a superior listening experience.

Meet the Apos FiiO K9 Pro Ensemble

The Apos FiiO K9 Pro Ensemble is for serious audio enthusiasts who are ready to step out of budget-fi and explore the hobby at a more serious level.

The Apos FiiO K9 Pro Ensemble includes

• DAC/Amp: FiiO K9 Pro
• Headphone: Apos Caspian

Spec Summary

Note: For full specs, please visit the individual product pages.

FiiO K9 Pro Desktop DAC/Amp

• Collector’s AKM AK4499 DAC chip
• THX-AAA 788+ tech
• Dual femtosecond clocks
• Qualcomm QCC5124
• Supports LDAC, aptX adaptive, aptX HD
• App control
• Truly balanced design
• Dual voltage linear transformer
• Wide connector selection
• Lossless MQA decoding
• Bluetooth format indicator

Apos Caspian Open-Back Headphone

• Fun-sounding, non-fatiguing for marathon sessions
• 50mm dynamic driver
• Open-back
• All-natural oak earcups sourced from the North Caucasus mountains
• Inch-deep sheepskin ear pads with acoustic memory-foam inner filling.
• Stainless steel yoke and headband
• Natural leather headband for all-day comfort 
• Aluminum alloy grille
• Graphene-coated multilayered composite membrane with variable thickness
• CCAW coil (aluminum core coated with oxygen-free copper)
• Internal litz wiring