Videomaker – Learn video production and editing, camera reviews › Forums › General › Video and Film Discussion › What is a good brand of headphones to buy， in reasonable price? › If you mean < $50 and need
If you mean < $50 and need just basic confidence monitoring, use the earbuds from your iPhone. I've used mine many a time on run and gun shoots and on higher end projects as well.
If you're looking for something better, the Sennheiser HD-280 Pros are about $100. Nice isolation, sound good and cheap enough that you don't mind taking them in the field.