Amazon is offering steep discounts on tens of thousands of products this week as part of its Prime Big Deal Day event taking place between October 8th and 9th. However, a few deals are already available, including Marshall’s Major IV headphones, which are currently marked down by 47%.

The over-the-ear bluetooth headphones usually retail for $149.99. However, for a limited time they’re on sale for $79.99.

Marshall’s Major IV headphones offer over 80 hours of wireless playtime with quick charging wireless capability (wireless charging pad sold separately). The headphones also include a 3.5 mm socket separate charging and a shared listening experiencing, an improved ergonomic design, a multi-directional control knob, and a frequency range of 20-20,000 Hz.

Marshall is also offering Prime Day discounts on its portable bluetooth speakers, including the Marshall Emberton II Portable Bluetooth Speaker (on sale for 41% off) and the Marshall Kilburn II Bluetooth Portable Speaker (on sale for 33% off).