yer it says you can get refunded if your not happy. dont be happy with them.
If you were going to use them you would need to buy a power amp.
Also you can see he is selling the exact same speakers just 500 watts this time and the title is "Pro DJ speakers PA" so they arent studio monitors at all and i bet you that they boost the bass so it wont be accurate. Refund them, you dont need 1000 watts .. get KRK active Rokits if you need monitors, you will be able to get them at the same price and they are powered/active so you wont need an amp.