Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to buy headphones [title] Decide what headphones you want. [step] Although most headphones look the same, they're all very much different. Some of them boost a certain part of the music, some of them are designed for comfort and some of them are made to block out all other background noise.

Ending1: Some cheap headphones are lacking in all of these things. There are two ways to decide what headphones you want. Ending2: [substeps] Some brands including yelp have headphones that mimic those of music players and control sound. Target your music source if you're trying to buy headphones that are overly loud, strange, or even expensive. Ending3: You might use headphones made for soft music or headphones designed especially for classical and jazz music. The most important thing is what you wear at all times. Ending4: [substeps] There are three main types of headphones you may want. The middle genre-music designed primarily for medium-volume audiences.

Answer format: ending1/ending2/ending3/ending4