Singxer

Singxer SDA-6 Pro2 Dual AK4499EX Decoder Hifi Music DAC

Name: Singxer SDA-6 Pro2 Dual AK4499EX Decoder Hifi Music DAC
Brand: Singxer
Price: 1299.0 USD
Availability: InStock

Singxer SDA-6 Pro2 Dual AK4499EX Decoder Hifi Music DAC

$1,299.00 USD

~~$1,299.00 USD~~ $1,299.00 USD

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SINGXER SDA-6 PRO 2 Dual AK4499EX Decoder Hifi Music DAC

Description

The SDA-6 PRO 2 is a high-performance DAC developed by the Singxer team, featuring AKM's fourth-generation flagship DAC chips: AK4191 + dual AK4499EX for superior digital-to-analog conversion. With advanced technology and meticulous design, this DAC delivers an unparalleled audio experience, catering to audiophiles seeking top-notch sound quality.

Features

Advanced DAC Chipset: Utilizes AKM's latest AK4191 and two AK4499EX chips for exceptional digital-to-analog conversion.
Precision Clock System: USB section uses a femtosecond clock with a self-developed thermostatic tank, ensuring the clock system operates in a constant temperature environment.
New XMOS XU316 Chip: Upgraded to the latest XU316 chip for USB Audio, supporting DSD512 and PCM 768K sample rates.
Ultra-Low Noise Power Supply: Specially optimized power supply system resolves low-frequency distortion issues commonly associated with AKM DACs.
Digital Preamp: Features digital preamp with volume adjustment, analog high and low gain adjustment, OLED brightness control, and off-screen playback.
High-Performance Clock Technology: Self-developed adaptive clock system, built-in 4-way independent ultra-low jitter audio crystal, ensuring exceptional clock synchronization.
Fully Balanced Output: 4-way fully balanced full DC Class A discrete circuit output for pure audio signal transmission.
Rich Connectivity: Offers a wide range of input and output interfaces, including USB2.0, SPDIF, BNC, AES, HDMI-I2S, XLR, and RCA.
External Clock Input Support: Supports external clock inputs, with USB supporting 10M clock input and other interfaces supporting WCK input.
Custom Power Supply: Built-in 40-watt customized O-type transformer with four independent power supply windings and up to 20 groups of distributed voltage regulators.

Specifications

DAC Chipset: AK4191 + 2 x AK4499EX
USB Input: USB-B female socket, 4.5V-5.1V power supply
SPDIF Input: 75Ω input impedance, AES input impedance of 110Ω
Power Input: 115V/230V AC, internal 40W custom-built transformer
I2S Input: HDMI interface LVDS level, compatible with most front-end devices
Analog Output:

PCM: RCA: 2.25V RMS, XLR: 4.5V RMS
DSD: RCA: 1.8V RMS, XLR: 3.6V RMS
Output Impedance: RCA: 22Ω, XLR: 45Ω
Frequency Response: 20-20KHz ±0.1dB
SNR: 131dB (20-22KHz)
Dynamic Range: 131dB (1KHz, -60dBFS)
Channel Separation: >130dB @ 1KHz

Dimensions: 262mm x 220mm x 46mm (excluding foot and rear connector protrusions)
Weight: Product: 2.7kg, Package: 3.6kg
Package Dimensions: 330mm x 310mm x 110mm
Accessories: USB cable x1, Power cord x1, Infrared remote control x1

Note:

All versions support switching between 115V and 230V AC voltage with an internal toggle switch.

Here is the test data for the production version of the SDA-6 PRO 2, based on the APX555:

Shipping & Returns

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

⚠️ Important Notice: EU Customs Reform Effective 1 July 2026

A new tariff system will take effect across all 27 EU member states starting 1 July 2026. The EU is abolishing the duty exemption for low-value parcels — all goods entering the EU will now be subject to customs duties, including a fixed duty of €3 per HS tariff code category for IOSS-declared goods under €150.

A handling surcharge of USD $5 has been applied to all standard shipments to EU countries on orders under $500. Orders over $500 qualify for free expedited shipping.

Shipping Fees & Couriers

We collaborate with the following courier companies:

Standard Shipping: Yunexpress, 4PX, NinjaVan
Special Country Channels: India – Yitong Express | United Kingdom – Royal Mail | Japan – Sagawa Global Transportation
Express Shipping (orders over $500 ship free): DHL Express, FedEx, UPS, SF Express

In the event that a shipment is refused, undeliverable, or returned to sender, HiFiCat will process a refund to the original payment method. If a customer requests reshipment, a reshipment fee will apply. A restocking fee of up to 20% may also apply.

Shipping Rates & Estimated Delivery Times

1. France, Germany, United Kingdom, Italy, Spain, Poland

All taxes and duties are prepaid (DDP). 5–10 working days. Free standard shipping.

Tracking examples:

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 27 Countries (Standard Shipping)

Austria, Belgium, Bulgaria, Croatia, Czech Republic, Denmark, Estonia, Finland, Greece, Hungary, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Cyprus

All taxes and duties are prepaid (DDP). 10–15 working days.
💰 Shipping cost: $5.00 USD (orders $0–$500) | Free (orders $500+, via DHL Express)

Tracking examples:

Finland: https://www.17track.net/?nums=UG324191515YP
Poland: https://www.17track.net/?nums=UG335827360YP
Estonia: https://www.17track.net/?nums=UG363043181YP
Switzerland: https://www.17track.net/?nums=UG359525911YP
Greece: https://www.17track.net/?nums=UG250851788YP
Sweden: https://www.17track.net/?nums=UG353458343YP
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
Netherlands: https://www.17track.net/?nums=UG206078468YP
Latvia: https://www.17track.net/?nums=UG336264373YP
Croatia: https://www.17track.net/?nums=UG331204789YP
Austria: https://www.17track.net/?nums=UG322443180YP
Hungary: https://www.17track.net/?nums=UG313846849YP
Belgium: https://www.17track.net/?nums=UG313858025YP
Bulgaria: https://www.17track.net/?nums=UG309182635YP
Romania: https://www.17track.net/?nums=UG295530616YP
Ireland: https://www.17track.net/?nums=UG286654665YP
Iceland: https://www.17track.net/?nums=VR447888050YP

3. Other European Countries (Free Standard Shipping)

Norway, Switzerland, Ukraine, Armenia, North Macedonia, Moldova, Monaco, San Marino, Vatican City, Serbia, Albania, Kosovo, Montenegro, Bosnia & Herzegovina, Belarus, Georgia, Andorra, Guernsey, Jersey, Faroe Islands, Svalbard & Jan Mayen, Guadeloupe, Réunion, Gibraltar, Isle of Man, Mayotte, Iceland, Liechtenstein, Turkey

All taxes and duties are prepaid (DDP). 10–15 working days. Free standard shipping.

Norway: https://www.17track.net/?nums=VR457380806YP
Serbia: https://www.17track.net/?nums=VR447710777YP
Ukraine: https://www.17track.net/?nums=UG331240667YP
Russia: https://www.17track.net/?nums=VR454415418YP

4. Americas

United States & Canada: 7–15 working days | $10.00 USD | Standard Shipping
Mexico: 7–15 working days | Free | Standard Shipping
Tracking: https://www.17track.net/?nums=UG212366392YP
Brazil: 7–20 working days | Free | Yunexpress
Tracking: https://www.17track.net/?nums=UG207476109YP
Chile: https://www.17track.net/?nums=UG205949999YP
Canada: ~2 weeks via Canada Post
Tracking: https://www.17track.net/?nums=2012559519792764