Sure Electronics AA-JA32151 | BT 2.1 | Amplifier Module

The AA-JA32151 from Sure Electronics is a compact and highly efficient Class D audio amplifier module that brings wireless streaming capabilities to your speaker projects. Delivering 2 × 15 watts into 8 ohms, this booster module is ideal for DIY enthusiasts, custom speaker builds, or upgrading existing audio systems where space and power efficiency are paramount. Its integrated Bluetooth 2.1 connectivity allows you to stream music directly from your smartphone, tablet, or laptop, making it perfect for portable speakers, desktop sound systems, or multi-room audio setups without the need for additional wiring.

At the heart of the module lies the Texas Instruments TPA3110 amplifier chip, which achieves an impressive 90% efficiency and a signal-to-noise ratio of 82 dB, ensuring clean, low-distortion sound reproduction. The amplifier offers a gain of 36 dB and supports a minimum load of 4 ohms, providing flexibility for various speaker configurations. Input and output connections are made via 4-pin PCB connectors, simplifying integration into your projects. With compact dimensions of 91 x 69 x 23 mm and a 3.5 mm mounting hole diameter, this module is easy to install in tight enclosures. Whether you are building a custom Bluetooth speaker or upgrading an existing system, the AA-JA32151 delivers reliable, high-quality audio amplification in a small footprint.