Fiio

FiiO JIEZI USB DAC AMP Type-C to 3.5mm/Unbalanced 4.4mm Earphone Adapter

Name: FiiO JIEZI USB DAC AMP Type-C to 3.5mm/Unbalanced 4.4mm Earphone Adapter
Brand: Fiio
SKU: 1005009843294184-3.5A BlackRed
Price: 23000.0 KRW
Availability: OutOfStock

₩23,000 KRW

~~₩23,000 KRW~~ ₩23,000 KRW

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Color 4.4B BlackRed 4.4B BlackGold 3.5A BlackRed 3.5A BlackGold

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Specification

FiiO JIEZI USB DAC/AMP — Type-C to 3.5mm / 4.4mm (Unbalanced) Earphone Adapter

The FiiO JIEZI (芥子) is a sleek, featherweight USB DAC/AMP that blends triple-integrated digital audio technologies with refined Eastern aesthetics. Packed inside its aluminum-magnesium body are a high-performance USB interface, a high-sampling DAC/ADC, and an audiophile-grade DSP enabling 10-band PEQ, PCM 32-bit/384 kHz and native DSD256 decoding. Available in two variants for different use cases:

JIEZI A — 3.5 mm jack with in-line mic/remote support for calls, karaoke, recording, and in-game voice chat.
JIEZI B — 4.4 mm (unbalanced, common-mode drive) jack for users with 4.4 mm plugs seeking stronger portable output.

32-bit/384 kHz PCM DSD256 Native Audiophile DSP 10-Band PEQ Type-C Plug & Play Al-Mg Alloy Lightweight & Seamless

Highlights

Triple Integration — High-performance USB chip + high-sampling DAC/ADC + high-precision DSP in an ultra-compact body.
Audiophile-Grade DSP & 10-Band PEQ — Fine-tune filter type, frequency, gain, and Q in the FiiO Control App or web interface; save and share tunings via the cloud.
Dual Output Options — Choose between 3.5 mm with in-line control (JIEZI A) or 4.4 mm common-mode drive (JIEZI B) that rivals many balanced dongles in drive capability.
Calls & Communication — JIEZI A supports in-line controls, voice calls, karaoke, recording, and gaming chat (device OS dependent; see notes).
Seamless, Durable Design — Integrated cable + body, lightweight aluminum-magnesium alloy construction, and elegant “golden-hoop” accent.

Technical Specifications

Model	FiiO JIEZI USB DAC/AMP (A: 3.5 mm / B: 4.4 mm unbalanced)
USB Interface	USB-C (plug-and-play with most Android / Windows / macOS; see notes for iOS)
Decoding	PCM up to 32-bit / 384 kHz; Native DSD up to DSD256
DSP / EQ	Built-in audiophile-grade DSP, 10-band parametric EQ (App & Web), cloud save/share
Outputs	JIEZI A: 3.5 mm (supports in-line mic/remote) JIEZI B: 4.4 mm unbalanced, common-mode drive architecture
Controls	In-line remote (JIEZI A, device/OS dependent)
Construction	Aluminum-magnesium alloy, seamless integrated cable + body, golden-hoop decorative ring
Use Cases	Music, calls/voice chat, karaoke, recording, gaming (latency depends on host device)
Compatibility	Android / Windows / macOS. iOS requires appropriate adapter and may limit in-line control.

Note on in-line controls & calls: Supported on many Android devices (confirmed on multiple Huawei models). Some iOS devices and a small number of Android phones may restrict in-line control and call functions due to system policies.

What’s in the Box

FiiO JIEZI USB DAC/AMP × 1 (choose A: 3.5 mm or B: 4.4 mm)
Quick Start Guide × 1
Warranty Card × 1

Why JIEZI?

Sound your way: Precisely tune with 10-band PEQ and share your presets.
Clean, hi-res decoding: 32-bit/384 kHz PCM and native DSD256.
Pick your port: 3.5 mm versatility (with mic) or 4.4 mm drive for your favorite headphones.
Built to roam: Robust, ultra-light alloy chassis with a seamless, pocket-friendly design.

Tip: For the most stable experience on iOS, use an Apple-certified USB-C to Lightning (or USB-C to USB-C on newer iPhones) adapter and disable system sound enhancements when possible.

Disclaimer: Output power, latency, and control behavior vary by host device, OS version, and app. Specifications are subject to change by the manufacturer without notice.

Meta Description: FiiO JIEZI USB DAC/AMP — ultra-compact Type-C dongle with 32-bit/384 kHz, DSD256, built-in DSP and 10-band PEQ. Choose JIEZI A (3.5 mm with in-line controls) or JIEZI B (4.4 mm unbalanced). Lightweight aluminum-magnesium body with seamless integrated cable.

What's in the Box?

Shipping & Returns

Free Standard full searchable Shipping
DDP(Delivered Duty Paid) Services, No payment on receiption
Free 7-Day Return Policy!

Shipping Fees

Worldwide Free Shipping on Hificat, Please allow 1-3 business days for conduct Quality Control in order to ensure the products quality.

In the event that a shipment is refused delivery by the recipient, is undeliverable, or is returned to sender, Hificat will process a refund to the original payment method used.

If a customer would like the order reshipped, they’ll be charged a reshipment fee. Customers may also be subject to a restocking fee of up to 20 percent of the product cost.

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Which Couriers To Use?

We collaborate with these courier companies:
Standard Shipping: Yanwen Express
Express Shipping(over $500 can be free): DHL Express, FedEx and SF Express

Hificat has extensive global logistics experience to ensure quality logistics services to consumers.

HiFiCat offers consumers different shipping, depending on the country, a choice of different shipping methods.

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Estimated Delivery Time

1. France, Germany, UK, Italy, Spain, USA.

All taxes and duties are prepaid to the carrier by HiFiCat prior to shipping, so there are no taxes or duties to pay when you receive it. 6-10 days to arrive.

Tracking Example

France: https://t.17track.net/en#nums=YT2132021222003141

Germany: https://t.17track.net/en#nums=YT2133621222016083

United Kingdom: https://www.17track.net/?nums=GV779664269GB

Italy:https://t.17track.net/en#nums=YT2133021222011717

Spain:https://t.17track.net/en#nums=YT2129521222003430

United States:https://t.17track.net/en#nums=SUA211205BIUQ1000007

2.EU Country：Filand, Poland, Estonia, Norway, Switzerland, Greece, Sweden, Israel, Czech Republic, Slovenia, Slovakia, Denmark, Netherlands, Latvia, Croatia, Austria, Hungary, Belgium, Bulgaria, Romania, Ireland, Malta, Iceland, Serbia and so on.

All taxes and duties are prepaid to the carrier by HiFiCat prior to shipping, so there are no taxes or duties to pay when you receive it. 10-15 days to arrive.

Filand: https://www.17track.net/?nums=UG324191515YP

Poland: https://www.17track.net/?nums=UG335827360YP

Estonia: https://www.17track.net/?nums=UG363043181YP

Norway: https://www.17track.net/?nums=VR457380806YP

Switzerland: https://www.17track.net/?nums=UG359525911YP

Greece: https://www.17track.net/?nums=UG250851788YP

Sweden: https://www.17track.net/?nums=UG353458343YP

Israel: https://www.17track.net/?nums=UG356134837YP

Czech Republic: https://www.17track.net/?nums=UG320437102YP

Slovenia: https://www.17track.net/?nums=UG349882511YP

Slovakia: https://www.17track.net/?nums=UG349946557YP

Denmark: https://www.17track.net/?nums=UG272480001YP