[DEAD] Monday: 25% off $300+ Monoprice orders

This coupon expired…

Monday is back again, as it often does after a Sunday, and coupon code MON25 gets you 25% off orders of $300+ in eligible products at the Monoprice website. The only ones of the Monolith headphone-related products eligible for the coupon is the M300 planar in-ears dropping from $150 to $112.50. But you need your order total to be $300+ in coupon-eligible products…