DD ddHiFi

DD ddHiFi TC44B Lightning to 2.5/4.4mm Balanced Audio Adapter with DAC/Amp

Product SKU: TC44B Lightning

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Product Details from the Brand

Explore More on the Matcha Cheese

TC44B 2.5mm / 4.4mm Balanced audio Adapter

Lightning Version

2.5mm or 4.4mm? We want both!

The TC44B is designed with two balanced output ports and both the 2.5mm and 4.4mm is simply plug and play. The 4.4mm output port is grounded connected, so it's more suitable to use with the balanced active speaker.

Double-sided symmetrical triangle

The TC44B looks like a triangle cheese that wrapped with matcha skin. One side is the headphone output ports, and the other side is the input cable.

Thin but Strong

Internal conductor
30 silver-plated OCC wires

External conductor
60 silver-plated OCC wires

Teflon1 Inside
Teflon2 In the middle

TPU coating
Wear / shock / impact resistant

There are more to discover!

The TC44B adopts dual DACs, which is able to boost high impedance headphones. We have also made optimization to its output power range, so as to get better sound quality when use with smartphone.


  • Output power: 120mW(32 ohms)
  • SNR: 125dB
  • DNR: 120dB
  • THD+N: ≤-110dB
  • DAC (PCM): Up to 32bit/384kHz
  • DAC (DSD): Native DSD64/DSD128/DSD256
  • Dimensions: 18.3x16.8x30.0mm (triangle part)
  • Cable length: 85mm
  • Plug length: 13.5mm
  • Weight: About 13g

Computer Driver

For OS system, there is no need to install a separate driver

For Windows system, please download the driver via: https://www.ddhifi.com/filedownload/274044

When playing music on your computer, please select the audio output device 'ddHiFi TC44B' . When using ASIO output on Windows, please select the device 'BRAVO-HD'.

Product Reviews

DD ddHiFi TC44B Lightning to 2.5/4.4mm Balanced Audio Adapter with DAC/Amp

Customer Reviews
3.8 Based on 4 Reviews
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Yanick P.
Canada Canada
I'm that guy who gave 5 start bellow

Loved it dearly until it just died and won't connect to anything anymore after 3 month of use.

United States United States
My new de-facto dongle

Wonderfully clean and able to do a stunning job with even the 6xx so far. Wow, just wow this blows the Apple Dongle out of the water!! Finally a dongle to dethrone Apple, and it’s puny little dongle.

Darren R.
United States United States
It's fine

I like the build, the pictures don't really sell how small this thing is, but design-wise it's first rate. It just doesn't have quite the oomph to drive my 58X's as hard as I'd like, but for a quick session when my BTR5 is flat or lost in a drawer, it's pretty good.

Yanick P.
Canada Canada
Work flawlessly on I phone 11

Turned my limited Apple device into a full Hi-fi player simply by plugging it in! I can Play Native DSD and Hi-res files (using a third party free music files player that is, Apple Music is only support MP3 and MP4, not Flac and such). Feed form the iPhone Battery itself. Couldn't be more simpler.


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