As you can see from almost every other review on this page, Sennheiser routinely make junk products and then bend over backwards to ensure that the warranty they offer you is completely useless.I made the catastrophic mistake of buying a set of Sennheiser HD 450BT headphones in mid-December last year. They began malfunctioning almost immediately (connection issues, random bursts of deafening white noise, erratic battery life), and when they became completely unusable a few months later, I sent them off for warranty repair. It was almost TWO MONTHS before I heard anything from them, and eventually they revealed to me that the headphones had actually been shipped to Germany without my knowledge, while also claiming that the package didn't include the receipt (it definitely did).At this point I took a look at this very TrustPilot page, and it was a relief to see that this was no isolated incident. Sennheiser are more than aware that these headphones are prone to cataclysmic faults straight out of the box, so they create hurdles in order to either a) send the headphones back to you un-repaired or b) send the headphones back to you un-repaired while insisting that they are in fact repaired. These headphones seem to have now been discontinued. What a shocker. Last week the company demanded I send them a full and unedited PDF copy of my bank statement "in the hope that we can move forward with the repair"; I DID contact my bank, but it was to force the retailer to give me a full refund instead. If you're caught in the same situation, don't be shy; get that cash back. Appalling company. Never again.
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