Part of Best Buy’s active 3-Day sale (which seem to be a regular thing at this point) is a deal that’s not so regular. Treat yourself to some discounted Wireless 7.1 Dolby surround sound that doesn’t feel or sound budget in the least. Corsair’s VOID PRO RGB Wireless Dolby 7.1-Channel Surround Sound Gaming Headset is down to just $54.99 until Sunday (or stock runs out).