Amazon just knocked $70 off the Beats Solo 4 — upgrade to quality sound for under $130
SAVE $70: As of Sept. 21, Beats Solo 4 are on sale for $129.95 at Amazon. That’s a 35% discount on the list price. Opens in a new window Credit: Beats Beats Solo 4 $129.95 at Amazon $199.95 Save $70 Get Deal Beats headphones are some of the most popular on the market, and…