Wall of sound

A vibrating wall of pure condensed sound appears at a point within range. The wall appears in any orientation you choose: horizontally, vertically, or diagonally. It can be free floating, or it can rest on a solid surface. The wall can be up to 60 feet long, 10 feet high, and 1/4 inch thick. The wall doesn't block line if sight, but sound, small creatures, and small objects can not pass through it. Medium or larger can only pass through the wall when using the dash action. When something passess through the wall (a creature or an object) each creature within 10 feet of the wall must makes a constitution saving throw, taking 4d6 thunder damage on a fail half as much on a success. 

𝘼𝙩 𝙝𝙞𝙜𝙝𝙚𝙧 𝙡𝙚𝙫𝙚𝙡𝙨: when you cast this spell using a spell slot of 5th level or higher, the damage increases by 1d6 for each level above 4th