A Beats headphone sale includes all-time lows on the Solo 4 and Powerbeats Pro 2

Engadget reports that Beats headphones are on sale with record-low prices. The Beats Solo 4 is half off at $100 across Amazon, Walmart, and Best Buy, while the Beats Powerbeats Pro 2 is discounted to $200. Both models received favorable reviews for improved sound quality and battery life but had minor design concerns. Other deals include a $350 Beats Studio Pro down to $170 and Beats Studio Buds + for $100 off, scored highly in previous reviews.