Sennheiser HD650 Open Back headphone - Headphone Bar Canada
Geekria Mesh Fabric Headband Pad Compatible with Sennheiser HD650, HD6
Sennheiser HD 650 vs Audio-Technica ATH-M50x Side-by-Side Headphones Comparison - RTINGS.com
$100 less than what they're charging on their own site. The cheapest 650/6xx I've found in Canada. Free shipping and 1 year warranty. Works for me! : r/ headphones
Sennheiser HD 650 Open-back Audiophile and Reference Headphones | Sweetwater