Whether you’re looking to upgrade your audio environment, add a smart speaker to another room, or score a new Bluetooth speaker to take on the road, Amazon is offering fantastic deals during its Amazon Prime Early Access Sale—aka Prime Day 2. The Early Access Sale officially runs October 11 and 12, but we’ve already spotted some outstanding values. We’ll update this list as new deals become available. Best Prime Early Access Sale deals on smart speakers• Amazon Echo Dot (3rd Gen): $17.99 (55% off)• Amazon Echo Dot (4th Gen): $24.99 (50% off)• Amazon Echo Dot with Clock (4th Gen): $34.99 (42% o…