Clamping on the 450BT's is unbearable, should I send them back? Does it get better over time? : r/sennheiser
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Sennheiser HD 450BT Review | Trusted Reviews
Sennheiser HD 450BT review: ANC Bluetooth headphones - YouTube
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Sennheiser HD450 TV Headset + BT 100 Bluetooth Transmitter
Adhiper Audio cable for HD450bt cable,Compatible with Sennheiser Momentum 3, Momentum 2, HD 400S, HD1, HD 4.50 SE, HD 450BT, HD 4.40, HD 4.30G Cable, 2.5mm Replacement Cable.(1.45M/BLACK) : Amazon.co.uk: Electronics &
Sennheiser HD 450BT Active Noise Cancelling Bluetooth Headphones - SpatialOnline