※ black sandblasting oxidation of aluminum alloy shell, compact appearance, high-grade elegant; ※ built-in high efficiency bass, trumpet tweeter, high sensitivity, clear and bright voice; ※ all aluminum alloy shell, durable, with good waterproof performance; ※ Class D digital power amplifier circuit, high efficiency, low distortion, low loss; ※ suitable for outdoor background music, wall-mounted installation; ※ has a road unbalanced signal input, comes with independent volume adjustment; ※ built-in high-temperature protection circuit, the box temperature is greater than 95 degrees when the device to stop working; ※ AC220V power supply, can also be customized other power supply;
