It is very good speaker. it have 2 speakers at the centre of the speaker and have two bass side by side of the speakers it is really good. Bro it give 20hz - 20000hz frequency of the sound so guys it is so good speakers it can connect with your phone ?? by Bluetooth. By pen drive .sd card .aux wire and it have volume ?? increase or decrease switch it have Bluetooth switch and it continuously play 12hour because of it have 6000mah battery ?? in that sounds so it works like an a sound system or power bank we can charge your phone by charging cable so it is very good type of speakers which give dynamic sound and Jbl is brand in sound system Jbl is be biggest brand in india so it is really good sound it gives in 1500? at eBay India