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The Sure Electronics AA-AK31164 is a 2 x 20 W Class AB audio amplifier DIY kit built around the TDA7576B chipset, designed for 12 V to 24 V DC systems and hands-on assembly.
Sure Electronics AA-AK31164 2 x 20 W Class AB Audio Amplifier DIY Kit with TDA7576B
The Sure Electronics AA-AK31164 is designed for builders who want a practical amplifier assembly project rather than a pre-finished board. It is well suited to educational use, soldering practice and compact audio DIY builds. Within the range of DIY kits, this model focuses on hands-on amplifier construction using through-hole and SMD components.
At the heart of the kit is the TDA7576B Class AB integrated chipset from STMicroelectronics. The design uses a dual bridge power amplifier with MOSFET power stages and Multipower BCD technology, delivering up to 2 x 20 W with a 24 V supply into 4 ohms. This makes it a useful choice for small DIY amplifier kits where learning, assembly and functional audio output are equally important.
The board accepts a 12 V to 24 V DC supply and provides practical connection options for audio projects. Inputs are available via a 3.5 mm audio socket and a JST-PH 5-circuit connector for external audio input, while the output uses a JST-VH 3.96 mm 2-circuit connector. A Molex Micro-Fit 2-circuit connector is used for power input, and the board also includes mute and standby control connections.
The finished board measures 82.55 x 63.50 x 31.75 mm and weighs approximately 113 g. Assembly includes installing components such as capacitors, resistors, inductors, protection parts, the TDA7576B IC and heatsink. For builders comparing compact amplifier modules, this kit offers the added value of learning the circuit layout and assembly process while ending with a functional 2-channel Class AB amplifier.
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Speakers
Amplifiers
DAC converters
DSP modules
Turntables
Streamers
Woofers
Tweeters
Exciters
Bass shakers
Plate amplifiers
Amplifier modules
Single board computers
Assembled crossovers
Printed Circuit Boards (PCB)
Capacitors
Resistors
Coils
Circuit Breakers
Crossover tools
Screw terminals
Acoustic measurements
Electric measurements
Sound level meters
DIY amplifier kits
DIY component packs
DIY speaker kit
DIY subwoofer kits
DIY bluetooth speaker
DIY electronics kits
Binding posts
Cabinet Hardware
Cables
Connectors
Speaker cabinets
Electromechanics
Power supplies
Speaker repair
Workshop & tools
Amplifier accessories
Stands & mounts
Gift voucher
Books
New products
