Sysolution Smart Adjustable Digital Power Amplifier R56B

The R56B is a high-performance intelligent digital power amplifier board. It features a dual-chip architecture combining an efficient Class-D stereo amplifier chip with a ground-isolated noise reduction chip, integrating stereo power amplification, intelligent power-on/off control, volume adjustment, and active noise reduction. The product is suitable for applications such as audio DIY projects, smart speakers, automotive audio systems, embedded audio devices, and more.

This product offers a wide voltage input range, high efficiency output, multiple protection mechanisms, and intelligent control functions, enabling high-quality audio playback and system-level integrated control.

Typical Application Scenarios

• DIY smart speakers
• Automotive audio system upgrades
• Desktop speakers / soundbars
• Embedded audio playback devices
• Audio modules for self-service kiosks

Features:

• High-performance amplifier core: Class-D amplifier chip delivering up to 2 × 50 W stereo output (at 4 Ω load) with efficiency > 90%.
• Active ground-isolated noise reduction: Integrated ground-isolated amplifier effectively eliminates common-ground noise and ground loop interference, with a typical CMRR of 57 dB (@ 1 kHz).
• Smart power-on/off control: Volume potentiometer integrated with power switch function; soft-start on power-up prevents pop-noise.
• Select-able stereo/mono modes: Supports switching between stereo BTL mode and mono PBTL mode to suit different application requirements.
• Multiple protection mechanisms: Built-in short-circuit protection, over-temperature protection, over-voltage/under-voltage protection, and DC protection ensure safe and reliable system operation.
• Wide voltage operating range: Supports DC 5 V–12 V input, accommodating various power supply options.
• Flexible audio input: Provides an AUX IN line-level audio input interface, compatible with a wide range of audio source devices.

Shenzhen Xixun Cloud Technology Co;Ltd is a global outdoor digital media and LED display control system solution service provider. It is committed to promoting industrial upgrading of the industry with Internet technology and intelligent systems, and contributing to the creation of a digital smart city.

Sysolution is headquartered in international metropolis Shanghai, and its branch is located in Shenzhen. The company's main businesses are:

General LED control system products (asynchronous full-color control system, wired, WiFi, 3G, 4G communication);

LED vechile screen control system;

LED control system function customization;

LED display IoT;

Cloud platform service provision;

Android control system function customization, etc;

Now our product sales and service have covered the whole country and exported to overseas.

Over the years, we have dedicated ourselves to the field of LED asynchronous control systems. With excellent innovation ability, outstanding customization ability and service ability, we have won the trust of customers around the world! In the future, Xixun Technology will continue to be committed to promoting the progress of the LED display industry with continuous innovation. We will continue to develop new products to make the display "smart"!