Sennheiser CX 300-II Headphones Review - Comfort

	Comfort
• Very comfortable for a set of in-ears, regardless on how long you plan on wearing them. • Asymmetrical cord is good for exercisers. • Very few customization options.
	Isolation	Page 5 of 12	Usability

Short-Term Use     (7.50)

The CX 300-IIs are pretty comfortable for in-ear headphones. After an hour of wear, we didn't have any comfort issues. Since the CX 300-IIs have an asymmetrical cable (the cord from the neck split to the left ear bud is significantly shorter than the cable connecting to the right), they're best worn around the back of the neck. If worn so the cable droops into a loop around your neck, the left ear bud will pull out ridiculously easily. When slung around the neck, however, the rubber 

Extended Use     (7.00)

Even after 6 hours of constant wear, we didn't have a problem with the CX 300-IIs. Part of the upside of having thinner sleeves is less pressure being exerted on the insides of your ears. There were a few times where we forgot we were wearing them and there were a few times we were somewhat uncomfortably aware. The discomfort was mild at worst, however, and after a while would pass.

Customizability     (2.00)

There aren't many options for customizing your CX 300-IIs. The headphones come with three sizes of soft plastic sleeves, which should help in finding a good fit. There aren't any other customizability options, not even an adjustable neck split.