Chinese manufacturers' direct choice for car audio quality upgrade - preferred vehicle power amplifier DSP
Product Advantages

First, powerful configuration, breaking through traditions
The TD - 615U features a high - level 4 - in - 4 - out and low - level 6 - out interface. It can easily connect to the original car host and various audio devices, breaking through traditional limitations. Whether it's a simple upgrade or the creation of a top - notch high - end audio system, it can provide stable signal transmission, serving as the foundation for achieving high - quality car music.
Second, personalized tuning, exclusive experience
It is equipped with 15 - band EQ adjustments, capable of meeting different musical preferences, whether it's powerful bass or bright treble. Moreover, it supports tuning via computer and mobile APP. Computer tuning enables precise parameter adjustment to achieve a perfect sound balance, while mobile APP tuning offers convenience, allowing users to make personalized settings anytime and anywhere according to their mood and the type of music they're listening to.


Third, wireless and lossless, convenient and high - quality
With built - in Bluetooth, it gets rid of cable constraints, enabling easy connection to mobile phones and other devices for music playback. It also supports USB lossless playback, which can vividly present the details of lossless music formats like FLAC and WAV, allowing users to experience music as if they were at a live performance.
Fourth, excellent performance, creating quality
In terms of performance, it has an output power of 4X50W (4Ω load impedance). Even at high volumes, the sound remains clear, full, and distortion - free. The signal - to - noise ratio is > 120dB, with extremely low background noise, enabling users to enjoy pure music. The frequency response range is 20Hz - 20kHz, which can perfectly reproduce various musical details. The operating voltage range is 9V - 15V, making it suitable for a variety of vehicle models.

Optional panel makes the operation simpler and more convenient.
The control panel significantly simplifies the operation process. With it, you no longer have to worry about complex audio adjustments. Even during the driving journey, you can safely and conveniently adjust to the most suitable sound effects for yourself and fully enjoy the wonderful music journey.
Currently, we are actively seeking partners globally. Whether you are a professional dealer deeply engaged in the automotive aftermarket, a trader with extensive sales channels, or an entrepreneur passionate about the automotive audio field, you are warmly welcome to join us. We will provide you with highly competitive products, comprehensive technical support, and generous profit margins. Let's work together to create brilliance and embark on a new chapter in the automotive audio market.
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Product Parameter
High - level input/output | 4 - in 4 - out; Low - level output: 6 - out |
Output power | 4×50W |
Load impedance | 4Ω |
Signal - to - noise ratio | >120dB |
Frequency response | 20Hz - 20kHz |
Operating voltage | 9V - 15V |
Color box size | 29.5×20×7.3cm |
Product size | 20×11.3×4.2cm |
Net weight (bare machine) | 0.7 kg |
Gross weight (including color box) | 0.88 kg |