4寸低音炮功放带防盗收音

简单功能介绍：

1，带防盗功能

2，sd/mmc/usb

3，fm收音功能

4，功放ic型号：tda7266saa

一，操作说明

1，按“▆”键，主机开机，进入mp3播放状态，在按转换收音状态。（click on, start the mp3 player.click again to enter the radio broadcast.）

2，短按“vol+”键，播放下一首歌曲或者向上收索电台（收音状态时）长按“vol+”增加音量。短按”vol-“键，播放上一首歌曲或者向下收索电台（收音状态时）长按“vol-”音量减小press "vol +" button, play the next song, or select fm programmes (radio status) .press "vol +" for a while to increase the volume.press "vol +" button, play the previous song , or select fm programmes (radio status).press "vol -" for a while to reduce the volume.

3按“▆”键，关闭播放器press "▆" key to turn off the player.

4在关闭播放器的状态下，按“▆”键喇叭“嘟”一声后进入防盗状态，再按一下喇叭“嘟嘟”两下解除防盗when the player is off,press▆ key,and the "beep" sound tells you that you have entered the security state.click▅ again,the sound of "beep" repeats to remove anti-theft feature

5在打开防盗功能时，长按住“?▎▎”键超过6秒，主机进入防盗触发灵敏度调节状态，喇叭“嘟，嘟”慢响时为低灵敏度状态，快响时为高灵敏度状态as to anti-theft feature, hold the “?▎▎” key for 6 seconds, and alarm sensitivity adjustment starts.the slow sound of "beep,beep" is the sign of weak sensitivity,while quick sound shows a state of strong sensitivity.

二性能指标basic parameters

电源power supply：

直流dc：12v（10~15v/2a）

功耗power consumption：15w

放音频响playback frequency response：100hz-6khz（315hz，+/-0.5db）

收音频率radio frequency：fm88-108mhz

无线遥控距离在开阔地方超过100米

in the absence of local obstacles, the effective range of wireless remote control is more than 100m.

注意：日常使用时主机和喇叭要做好防水处理，以预防损坏主机和喇叭the player and speakers should be made waterproof treatment in case of damage.

所有的功放都可以按照客户要求订做，详细价格和要求面议或者详谈