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Used / open-box FiiO JM21 DAP reference image
  • Used / open-box FiiO JM21 DAP reference image
  • Used / open-box FiiO JM21 DAP reference image
Used / Open-Box FiiO JM21 DAP

Used / Open-Box FiiO JM21 DAP

Reference price $129.00

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

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

Product overview

The FiiO JM21 is a DAP for portable headphone listening and dedicated music playback. HiFiLoop uses this page as a focused model page for used / open-box private-quote requests.

Key features

  • Portable high-resolution Android music player for streaming apps, local files, and compact headphone systems.
  • Qualcomm Snapdragon 680 platform and Android 13 support modern portable-player operation.
  • Dual CS43198 DAC chips and dual SGM8262 op-amps support balanced portable output.
  • Android, Pure Music, USB DAC, and Bluetooth receiving modes support multiple playback workflows.
  • 3.5mm single-ended and 4.4mm balanced outputs also support line output functions.
  • WiFi, AirPlay, DLNA, USB Audio, local decoding, and microSD expansion support flexible music libraries.

Key specifications

Product type Android digital audio player
Main controller Qualcomm Snapdragon 680
DAC / amplifier CS43198 x2 DAC; SGM8262 x2 op-amp
Operating modes Android, Pure Music, USB DAC, Bluetooth receiving
Display 4.7-inch 750 x 1334 display
Memory / storage 3GB / 4GB RAM versions; 32GB / 64GB ROM versions; microSD expansion up to 2TB
Outputs 3.5mm headphone / line / coaxial output; 4.4mm balanced headphone / line output
Wireless 2.4GHz / 5GHz WiFi; Bluetooth 5.0 transmission and reception
Supported formats Local and USB DAC playback up to 384kHz / 32-bit and DSD256 Native; USB Audio up to 768kHz / 32-bit and DSD512
Balanced output power Up to L+R >= 700mW + 700mW at 32 ohms

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.

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