audio-sound @ hatena

An audio review & news blog. The volume should not exceed 80 dB is recommended. I usually adhere to the safe-listening style by WHO. Please note that my aural impressions and interpretations of measurements are also made from a safe-listening style.

(News) DD HiFi TC44C Latest USB DAC/AMP with Dual DAC and Balanced Headphone Support



Guangzhou DD Electronics Technology Co., Ltd., widely known as DD HiFi is a premium HiFi audio accessory brand based in China. They are known for premium accessories including adapters, connectors, and USB DAC/AMPs. Today, DD HiFi has added a new product to its ever-growing product catalog, the DD HiFi TC44C. TC44C is a Portable USB DAC/AMP that supports both Android and iOS devices. It has dual CS43131 decoding chips arranged in a balanced manner(one for each channel), ensuring high-quality audio signal decoding performance with the device. DD HiFi has featured both single-ended and balanced connections with the device with 3.5mm and 4.4mm headphone output ports. It has a swappable connector cable with a Type-C port. You can use it with both iOS devices using Lightning connector cable and with Android devices using USB Type-C cable. DD HiFi TC44C starts at 119.99$ for the Android Type-C variant. The iOS Lightning variant is priced at 139.99$, know more here.



  • Fully balanced designed with Dual DAC architecture.
  • High-Performance 2xCS43131 DAC chips.
  • Internal Connections via OCC Copper wires.
  • Both Balanced & Single-Ended Headphone Port.
  • Concealed Multi-Colour LED Indicator in 4.4mm Output.
  • High-quality OCC Copper USB connector cable.
  • Specially designed Leather case for TC44C(Only 600 Units made available worldwide).


Technical Specs
  • DAC: 2xCS43131.
  • Output Power: 120mW(4.4mm @ 32Ω).
  • SNR: >125dB.
  • Dynamic Range: >120dB.
  • THD+N: ≤-110dB.
  • PCM Decoding: Up to 32-Bit/384kHz.
  • DSD256 decoding.
  • Dimensions: 40.8x22x12.5(mm).
  • Weight: About 12.9grams.


Dual-Channel Balanced Architecture

DD HiFi TC44C houses a high-performance Dual DAC chipset with two CS43131 DAC chips. These provide excellent audio signal decoding performance with high SNR and low THD+N Distortion ratings. They help the TC44C to decode Hi-Res audio signals supporting 32-Bit/384kHz PCM and native DSD256 decoding. Simply connect the TC44C to your smartphone and enjoy top high-resolution audio performance with your favorite earphones.


Dual Headphone Output Ports Supporting Both Single-Ended & Balanced Headphones

DD HiFi TC44C features two headphone output ports, one single-ended 3.5mm and another 4.4mm balanced port. Users can use their favorite IEMs/Headphones with the TC44C with their preferred termination option(Single-Ended or Balanced). Both of these ports, despite being different in size are aligned in a straight line providing an excellent aesthetic look with the device.


OCC Copper Internal Wiring

The circuit design of TC44C simplifies the internal wiring by separating the 4.4mm socket with multiple connection pins from the mainboard. For this, all the internal connections are done using high-purity OCC Copper wires. The soldering here is done using lead-free soldering tin with 3% silver.


Excellent Craftsmanship

If you follow DD HiFi products, you must be aware of their excellent craftsmanship. All their connectors and adapters have absolutely brilliant build quality, top-notch to put their build-in simple terms. The latest TC44C is no different here, it adopts their latest green and golden color combination with a full metallic build.


Multi-Color LED Indicator

The 4.4mm headphone output port on the DD HiFi TC44C is transparent. It has a multi-color led indicator built into it that glows into different colors depending on the active bitrate of the signal. Blue light here indicates PCM output, Green indicated DSD decoding. Do note that, when something is connected to this 4.4mm port, the LED light won’t be visible.


Price & Availability

DD HiFI TC44C starts at 119.99$ for the Android variant and the iOS variant is available for 139.99$. You can check out more details on our product page here.


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