This device very usefull for me since three years.desing is very nice with small footprint which cover less space.performance is very fantastic.this is very cost effactive device with rs. around one thausund.i m very satisfied with this device.i am not facing not any problem with this device since I use it.this device has super sound quality with super bass system with bugdetfriendlly range.i am very happy for purchase for it.i fill wow.guys if want to buy woofer then I will recomand this product for everyone.