These legendary Sennheiser headphones are a ridiculous 56% OFF during Amazon's Big Spring Sale

Sennheiser announced it will stop manufacturing wireless headphones for the public, company announcement stated end of public wireless headphone manufacturing.

Amazon Big Spring Sale Amazon's Big Spring Sale runs from March 25 to March 31, sale dates listed as March 25–31.

Sennheiser Momentum 4 The Momentum 4 is discounted by 56% during the sale, listing shows a 56% discount during the Big Spring Sale.

The sale applies an approximate $250 price reduction to the Momentum 4, article states about a $250 discount during the sale.

Momentum 4 The Momentum 4 offers up to 60 hours of battery life on a single charge, product specification lists up to 60 hours battery life.