Made some space with in-wall speakers on my 5.1. : r/hometheater
On-Wall Speaker Reviews | Sound & Vision
Sonance MAG5.1 PREMIUM Mag Series 5.1-Ch. Premium 6-1/2" In-Wall Surround Sound Speaker System with Wireless Subwoofer (Each) Paintable White 93470 - Best Buy
JBL Studio 6 66LCR In-Wall Home Theater Speaker (Each) — Safe and Sound HQ
JBL Studio 6 Theater In-Wall Speaker (Each) — Safe and Sound HQ
Reference In-Wall Speakers | dmg Martinez Group
Amazon.com: Blue Octave LW82 in Wall 8" Speakers Home Theater Surround Sound 2-Way Speaker Pair : Electronics
How do you mount home theater speakers in your living room?
Using In-Wall Speakers for Home Theater | AV Gadgets
The Case Against In-Wall Home Theater Speakers | AV Gadgets