Instruct: Classify Amazon reviews into positive or negative sentiment
Query: good at the discount price

I bought it at a discount price of $19.99. It does improve the sound quality of my laptop (HP HDX16t). However, my earphone (Shure SCL5) is too sensitive. Xmod just makes zzz noise with it. When I use Shure SE110, there's no such noise. Therefore, I recommend Xmod to those who use not-high-sensitive earphones. Btw, the original price is too high compared to its real quality.