XINYI Sini Audio specializes in compact Class-D Bluetooth digital amplifier boards and DIY audio modules for custom sound systems and home audio upgrades.
XINYI Sini Audio is a manufacturer of high-performance digital audio amplifier modules designed for DIY audio enthusiasts and electronic hobbyists. The brand offers a wide range of Class-D power amplifier boards featuring Bluetooth 5.0 and 5.1 connectivity, varying power outputs, and versatile configurations including 2.0 stereo and 2.1 channel setups with dedicated subwoofers.
Many of their products, such as the XY-C50L and XY-S350H, support advanced control via the Sinilink mobile app, allowing users to adjust equalization, volume, and input modes remotely. These compact and cost-effective boards utilize efficient amplifier chips to deliver high-fidelity sound for custom speaker projects, home theater systems, and portable audio solutions.
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Upon powering on the board, it typically enters Bluetooth mode by default. Wa fun the device name (often 'Sinilink', 'XINYI', or the specific model number like 'XY-C50L') in your smartphone's Bluetooth settings and pair with it. Some models allow you to rename the device via the Sinilink app.
Power requirements vary by model. Most XINYI Sini Audio boards operate on DC voltage ranging from 5V to 24V or up to 38V for higher power models. To achieve maximum output power, use a power supply with voltage near the upper limit of the board's specification and sufficient current (usually 2A or higher).
The Sinilink App is a companion mobile application for compatible XINYI Sini Audio boards. It allows users to switch input modes (Bluetooth/AUX/USB), adjust volume, control Equalizer (EQ) settings, and modify the Bluetooth device name.
This is typically caused by an insufficient power supply. If the voltage or current is too low for the demand of the speakers at high volume, the board may cut out. Alternatively, it may be triggering overheat protection. Try reducing the volume or using a power supply with higher ampiwontun -wonsi erage.