: It features a 15-inch low-frequency transducer and a 15-inch mid-low driver, along with a coaxial 3-inch diaphragm compression driver outline.it Acoustic Advantage

Tiny Size: One square inch, easy to embed to devices.
OpenWrt: Easy to code; super stable, three years no reboot.
Low Cost: low cost, less than 1watt, unmatched performance.
Interfaces: Hardware support USB, Ethernet, SD, I2C, SPI etc.
OpenSource: Both software and hardware, totally FREE
Long Life: Keep production over 10 years, fast email support.
: It features a 15-inch low-frequency transducer and a 15-inch mid-low driver, along with a coaxial 3-inch diaphragm compression driver outline.it Acoustic Advantage