Manufacturer of professional Class D audio amplifier boards, DSP modules, and DIY audio solutions known for the WONDOM product line.
Sure Electronics is a professional audio technology provider based in Nanjing, China, specializing in the design and manufacture of high-performance Class D amplifier boards and audio modules. Widely recognized under its WONDOM brand, the company offers a vast ecosystem of audio middleware including Bluetooth amplifier boards, digital signal processors (DSP), and power supply solutions. Their products cater to audio DIY enthusiasts, commercial integrators, and industrial clients seeking reliable, high-fidelity audio components for diverse applications.
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Most Sure Electronics and WONDOM boards operate on DC power ranging from 12V to 24V or up to 36V depending on the model. Users should strictly follow the voltage and current requirements specified in the manual to avoid damaging the board.
The JAB3 (DSP integrated) and JAB2 (Bluetooth amplifier) boards can be cascaded to create a 2.1 or 4.0 system. You usually connect the audio output of the JAB2 to the input of the JAB3 using the specific functional cable kits provided by Sure Electronics.
The ACPWorkbench software used for configuring the ADAU1701 DSP on WONDOM boards is typically available for download from the detailed product pages on the Sure Electronics store or via links provided in the user guide.
Standard products typically come with a one-year warranty from the date of purchase. Warranty claims require proof of purchase and may be voided by improper use, such as using incorrect power supplies or soldering damage.