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The Sure Electronics AA-AP23125 is a versatile 2‑in/4‑out digital preamp and crossover based on the high‑performance ADAU1701 DSP, designed for precise audio control in 2.1 and 2.2 speaker systems and DIY audio projects.
BDSP2.4U ADAU1701 DSP Digital Audio Signal Processor 2‑in/4‑out DSP Preamp and Crossover
The BDSP2.4U ADAU1701 DSP Digital Audio Signal Processor is a compact digital preamp module that brings advanced crossover and audio processing to your setup. At its core is the Analog Devices ADAU1701 DSP engine, delivering precise digital signal processing and flexible crossover control for multimedia and hi‑fi applications.
With a 2‑input and 4‑output configuration, the unit includes a default 2‑way digital crossover program that routes two channels for mid/high and two for bass output, making it suitable for 2.1 and 2.2 audio systems without additional external crossover hardware. The unit supports PC‑based UI control for intuitive adjustments and also allows deeper customization via SigmaStudio graphical programming for tailored audio performance.
Connection to your audio system is made simple with plug‑and‑play RCA input and output connectors and a USB‑C 5 V power supply interface, compatible with computers, power banks, or standard USB chargers. Its compact design ensures easy installation on desktops or within audio racks while supporting broad signal handling to meet the needs of most audio projects.
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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
