Special battery box for school

Model: DP65
Price: 980 yuan
Characteristic：
1 speakers: 6.5 inches;
2 power: 60W;
3 built-in MP3 player, support U disk and SD card;
4.MP3 digital display, digital song;
5 all the way wired microphone input;
6 total volume adjustment, microphone volume adjustment;
7 standard all the way handheld wireless microphone input, optional head wearing ear;
8 voltage: AC 220V 50Hz-60Hz, DC12V; built in rechargeable battery;
9 Deluxe plastic case with back rope and hand.

Model: DP100
Price: 2580 yuan +300 yuan (DVD)
Characteristic：
1 speakers: 10 inches;
2 power: 150W;
3 optional built-in DVD player function, can play DVCD/VCD/SVCD/CD;
4 built-in MP3 player, support U disk and SD card;
5.MP3 digital display, digital song;
6 two channel wired input;
7 total volume adjustment, high bass independent adjustment, microphone volume adjustment, microphone with reverb adjustment;
8 standard single handheld wireless microphone input, optional head wearing ear, can choose two pairs of microphones;
9 voltage: AC 220V 50Hz-60Hz, DC12V; built in rechargeable battery;
10 wheel pull rod type luxurious full plastic shell.

Model: DP120
Price: 2780 yuan
Characteristic：
1 speakers: 12 inches;
2 power: 150W;
3 built-in MP3 player, support U disk and SD card;
4.MP3 digital display, digital song;
5 two channel wired input;
6 total volume adjustment, high bass independent adjustment, microphone volume adjustment, microphone with reverb adjustment;
7 standard single handheld wireless microphone input, optional head wearing ear, can choose two pairs of microphones;
8 voltage: AC 220V 50Hz-60Hz, DC12V; built in rechargeable battery;
9 wheel pull rod type luxurious full plastic shell.
Model: DP150
Price: 3580 yuan
Characteristic：
1 speakers: 15 inches;
2 power: 200W;
3 built-in MP3 player, support U disk and SD card;
4.MP3 digital display, digital song;
5 two channel wired input;
6 total volume adjustment, high bass independent adjustment, microphone volume adjustment, microphone with reverb adjustment;
7 standard with both hands wireless microphone input, optional head wearing ear;
8 voltage: AC 220V 50Hz-60Hz, DC12V; built in rechargeable battery;
9 wheel pull rod type luxurious full plastic shell;