fix: correct bose and sennheiser ASINs to master reference links

Author: TechStack Global

posts/best-headphones-for-working-from-home-2026.html

@@ -204,7 +204,7 @@ <h3>2. Bose QuietComfort Ultra</h3>
                 choosing between our top two recommendations, we strongly suggest reading our comprehensive <a
                     href="sony-xm5-vs-bose-qc-ultra.html">Sony XM5 vs Bose QC Ultra</a> comparison guide.</p>
 
-            <a href="https://www.amazon.com/dp/B0FDKR293G?tag=techstackglob-20" class="btn-primary" target="_blank"
+            <a href="https://www.amazon.com/dp/B0CCZ26B5V?tag=techstackglob-20" class="btn-primary" target="_blank"
                 rel="nofollow noopener sponsored">Check Bose QuietComfort Ultra on Amazon</a>
 
             <h3>3. Sennheiser Momentum 4</h3>
@@ -219,7 +219,7 @@ <h3>3. Sennheiser Momentum 4</h3>
                 favorite albums or podcasts, the audio fidelity is breathtaking. The noise cancellation remains a strong
                 contender against much pricier models, making it an incredibly smart investment for a hybrid worker.</p>
 
-            <a href="https://www.amazon.com/dp/B0B66GYXZ8?tag=techstackglob-20" class="btn-primary" target="_blank"
+            <a href="https://www.amazon.com/dp/B0B6GHW1SX?tag=techstackglob-20" class="btn-primary" target="_blank"
                 rel="nofollow noopener sponsored">Check Sennheiser Momentum 4 on Amazon</a>
 
             <h2>Comprehensive Buying Guide for Home Office Audio</h2>