DD ddHiFi TC100-COA USB-C to Digital Coaxial Converter Cable
Best digital bridge for connecting modern phones to legacy audio equipment.
The DD ddHiFi TC100-COA is a USB-C to Digital Coaxial Converter Cable designed to bridge the gap between modern audio sources and older DAC amplifier devices that lack USB input. It allows devices like Android smartphones with USB-C or iPhones with Lightning to connect to coaxial inputs. This cable supports high-resolution audio up to 24-bit/192 kHz, making it ideal for lossless music playback. It features a high-purity OCC copper conductor with 75Ω impedance for reliable transmission and a Murata digital audio transformer for balanced signal integrity. The USB-C female connector allows for interchangeable data cables, including USB-A and Lightning, for flexible connectivity.
Owner Satisfaction
4.5
/ 5
Category Rank
297
/ 489
#297 in Audio Converters
Sample Rate Support
24192
/ Up to bit/ kHz
Who it's for
- Audiophiles integrating vintage gear with modern digital sources
- Purists seeking bit-perfect signal transmission to external DACs
- Travelers needing durable, portable connectivity for mobile setups
Who should skip it
- General users requiring versatile, multi-purpose audio adapters
- Budget-conscious buyers lacking an existing external DAC
- Users preferring plug-and-play simplicity without troubleshooting potential quirks
Performance breakdown
Signal Integrity
Murata transformer ensures a clean, jitter-free digital signal path.
Compatibility Range
Seamlessly bridges modern mobile devices with legacy high-end DAC hardware.
Build Quality
High-purity OCC copper construction offers professional-grade durability and signal transmission.
Connectivity Flexibility
Interchangeable cable design allows for easy adaptation between various source devices.
Resolution Support
Handles 24-bit/192 kHz files, covering the vast majority of lossless libraries.
Portability
Compact and lightweight enough for high-fidelity audio on the move.
Key Specs
Sample Rate Support
Up to 24 bit/192 kHz
Cable
OCC 75Ω Coaxial Audio Cable
Weight
45 g
Length
35 cm
Interface Type
USB-C Connector, RCA Plug
Power Source
USB Powered
Input Interface Type
USB-C
Output Interface Type
Coaxial
Features
- Revitalizes older DACs with coaxial inputs
- Supports high-resolution audio up to 24-bit/192 kHz
- Uses high-purity OCC copper for reliable signal transmission
- Features a digital audio transformer for balanced signal integrity
- Allows for interchangeable USB data cables
- Compatible with both Android and iOS devices
- Eco-friendly packaging
What customers say
Customers consistently praise the DD ddHiFi TC100 COA for its exceptional build quality and straightforward ease of use. Many highlight its robust construction, noting the cable feels durable and well made, suggesting a premium product experience. Users appreciate the simple plug and play functionality, making it effortless to integrate into their audio setups without complex drivers or configurations. This converter reliably delivers a clean digital signal, enhancing the listening experience for many. The compact design also receives positive mentions for its convenience.
Know before you buy
Yes, you can use this with an iPhone, provided you use a compatible USB-C to Lightning cable or a USB-C to USB-C cable for newer iPhone 15 models. The TC100-COA acts as a bridge to convert the digital signal from your phone to the coaxial input on your legacy DAC.
No, the device is powered directly by your source device, such as your smartphone or computer, via the USB-C connection. It does not require batteries or an external power adapter.
Yes, the converter supports high-resolution PCM audio up to 24-bit/192 kHz. This ensures you can enjoy lossless audio playback through your existing coaxial-equipped DAC.
Yes, the TC100-COA features a USB-C female input, which allows you to use your own preferred USB-C data cables. This flexibility makes it easy to switch between different source devices like laptops, Android phones, or tablets.
The TC100-COA is specifically designed for PCM audio. It does not support multi-channel formats like Dolby Digital or DTS, nor does it support DSD playback.
The integrated Murata digital audio transformer is used to ensure balanced signal integrity and provide electrical isolation. This helps reduce noise and interference, resulting in a cleaner digital signal for your DAC.
Still have a question?
Ask Hayley anything about this product before you decide.