ddHiFi TC28i Lightning to USB-C Adapter
Best compact solution for connecting USB-C audio gear to iPhones.
The ddHiFi TC28i is an ultra-compact adapter engineered to connect USB-C terminated audio gear, such as headphones and decoding cables, to Lightning-equipped iOS devices. Machined from durable aluminum alloy, it ensures reliable signal conversion and effective shielding against interference. Its sleek, minimalist design is smaller than a fingerprint, making it a convenient, high-quality solution for audio enthusiasts. Please note that this adapter is intended exclusively for audio signal transmission and is not compatible with computers, flash drives, or chargers.
$29.99
Owner Satisfaction
4.5
/ 5
Category Rank
134
/ 743
#134 in USB Adapters
Price vs Category Average
-41%
Below average
Connector
Lightning (male)
/ Lightning (male)
Who it's for
- Audiophiles connecting high-fidelity DACs to Apple devices
- Users prioritizing durable, premium-grade hardware
- Travelers needing a lightweight, space-saving audio solution
Who should skip it
- Users running power-hungry peripherals on iOS devices
- Forgetful individuals prone to misplacing tiny accessories
- Budget-conscious shoppers seeking basic, low-cost connectivity
Performance breakdown
Build quality
Precision-machined aluminum alloy provides a premium, rugged feel in the hand.
Portability
The ultra-compact footprint disappears into any pocket or gear bag.
Signal integrity
Robust shielding effectively minimizes interference for a clean audio signal.
Compatibility range
Strictly limited to audio, excluding data transfer or device charging.
Ease of use
Simple plug-and-play functionality makes connecting USB-C gear effortless.
Aesthetic design
The forest green and gold finish offers a sophisticated, modern look.
Key Specs
Connector
Lightning (male)
Connector
USB Type-C (female)
Dimensions
18.5 x 9.5 x 13.5 mm
Weight
4.7 g
Housing Material
Aluminum Alloy
Warranty
12 months
Features
- Enables USB-C audio devices to connect to iOS devices
- Durable aluminum alloy construction for signal integrity
- Stylish forest green and gold color scheme
- Optimized for audio transmission
- Ultra-compact form factor
- Portable and lightweight design
- Blocks signal interference effectively
What customers say
This adapter earns high praise primarily for its exceptional reliability and superior build quality. Audiophiles value it as a robust, high-quality bridge connecting demanding USB-C DACs to Lightning devices. Users report consistent, stable data transmission and adequate power delivery, successfully avoiding common accessory errors found with lesser adapters. The solid metal casing inspires confidence in its longevity compared to fragile plastic options. While the price is noted, reviewers agree the flawless performance and peace of mind make this specialized connector a worthwhile investment for serious listeners needing dependable compatibility.
Know before you buy
No, the TC28i is designed exclusively for audio signal transmission. It will not support charging, data syncing, or file transfers.
Yes, it is specifically engineered to connect USB-C terminated audio gear, such as DACs and decoding cables, to Lightning-equipped iOS devices.
Compatibility depends on the specific USB-C device you are connecting. While it handles audio output reliably, some USB-C audio devices may not support microphone functionality through this adapter.
The TC28i features a compact, minimalist design, but the fit depends on your specific case. If your case has a very narrow or deep cutout around the Lightning port, you might need to remove it for a secure connection.
The aluminum alloy housing is designed to provide effective shielding against external interference, ensuring a clean signal path for your audio.
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