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Used / open-box FiiO K17 Desktop DAC/AMP reference image

Used / Open-Box FiiO K17 Desktop DAC/AMP

Reference price $699.00

Reference price is for price anchoring only. Final quote depends on condition, accessories, version, stock, and destination.

  • Unit details confirmed before offer
  • Lab-inspected before dispatch
  • DOA support and repair path available

Product overview

The FiiO K17 is a Desktop DAC/AMP for connecting digital sources to headphones or compact audio systems. HiFiLoop uses this page as a focused model page for used / open-box private-quote requests.

Key features

  • High-end desktop DAC and headphone amplifier for USB, coaxial, optical, line, balanced, Bluetooth, streaming, and local playback modes.
  • AKM flagship DAC platform with a discrete Class-AB MJE243G / MJE253G transistor headphone amplifier.
  • Balanced output power supports demanding desktop headphone pairings.
  • Global 31-band PEQ supports detailed tuning, with no PEQ processing on digital output.
  • Balanced and single-ended headphone outputs plus XLR and RCA line outputs support flexible system matching.
  • Ethernet, dual-band Wi-Fi, Bluetooth reception, trigger, app control, remote control, and touchscreen operation support desktop use.

Key specifications

Product type Desktop DAC/AMP
DAC platform AKM flagship DAC platform
Amplifier MJE243G / MJE253G discrete transistor current-amplification headphone amplifier
USB / Bluetooth XMOS XU316 USB; QCC5125 Bluetooth reception
Working modes USB DAC, coaxial decoding, optical decoding, line in, balanced in, Bluetooth receiving, streaming media receiving, local playback
Supported formats USB decoding up to 768kHz / 32-bit and DSD512 Native
Balanced output power Up to L+R >= 4000mW + 4000mW at 32 ohms, ultra high gain mode
PEQ Global 31-band PEQ; no PEQ processing in digital output
Dimensions / weight About 244.6 x 213 x 66.8 mm; about 2750 g
Power supply AC 100-120V / 220-240V, 50/60Hz

A-Class confirmation guide

What is reviewed before a reference page moves forward.

These notes explain how lab checks, condition records, shipping boundaries, and sourcing requests are handled before manual confirmation.

01 / Lab check

Pre-Listing Lab Check

Function and condition are checked before confirmation.

02 / Condition and kit

Condition & Kit Recorded Separately

Condition is not a shortcut for every detail.

03 / Request details

Details to Share

Send the details needed for review.

04 / Sourcing path

Manual Confirmation & Sourcing Path

Start the request before confirmation.

What this listing means

This is a used / open-box reference page for this model. The exact unit, included kit, timing, and support terms are confirmed before payment.

Before you make an offer

  • Check the exact unit photos and condition notes
  • Confirm included accessories and version details
  • Use the final quote as the decision point

Inspection & condition

Function, cosmetics, accessories, and known limitations are reviewed for the exact unit before dispatch.

Shipping & support

Processing is normally 3-5 business days after confirmation. International delivery is commonly 7-15 days; DOA and repair support are confirmed by destination.

What does Reference price mean?

It is a price anchor for comparison. It is not the final quote.

Is this exact unit ready to ship?

Not from this page alone. HiFiLoop confirms the exact unit and timing before payment.

Can HiFiLoop help me find another unit?

Yes. Share the target model, preferred condition, budget range, and destination so HiFiLoop can look for a suitable unit.

Need confirmation

Confirm the exact unit before the final decision.

Send an offer, sourcing request, or availability check when you want exact-unit photos, accessories, condition notes, and quote details.