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How are the 20XL's? I am considering buying them
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I was flip-flopping between the DC 10.13X ENC and the LightSpeed 20XL. The DCs weren't as comfy and cost more, so I opted for the 20XLs. Haven't regretted it for a moment. The LightSpeeds are great for long term comfort (don't even know that they're there after 4 or 5 hours - DCs were putting pressure on the earpiece of my sunglasses after 20 or 30 minutes), have awesome ANR, and great customer service. My first set had a glitch in the volume control box; at certain angles, the speaker in the left earcup would cut out. I called customer service and the gave me two options. First, I could send it in and they would fix it and ship it back with about a 7 day turn around. I'm flying a couple of times per day, so I opted to have them send me the part with detailed replacement instructions and do the repair myself. They promised that the warranty would still be in effect and the part arrived after about three days. Now they're perfect!
The battery life is also much better than the DCs. My instructor has the headset that I was considering and he's changed his batteries about every 15 to 20 hours. I just changed mine for the first time at 46 hours and they weren't dead yet (though the battery meter said that they were are 25% or less).
I'm just a newbie, but I'm sold on LightSpeed. Comfort, quality, service, and function for less than half the price of many others on the market. Too bad they're just a little bulkier than some of the others . . .