After almost a year Sennheiser has released an upgrade to the CX400 earphones, the CX400-II.rnWe didn't like the original CX400s too much because of their high price, poor noise isolation and uncomfortable design. The CX 400-II improves on these things in some ways, but is still not very desirable, especially given some of the other excellent earphones from the Sennheiser range.rnThe basic design of the earphonernremains the same and it employs the same ear canal noise isolation technology. Sennheiser has added a volume control slider on the wire. It is a nice addition but you can't turn the volume down to zero. Another welcome addition is the inclusion of a longer wire, something that was missing in the CX400.
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