6.5 Inch Wood Passive Bookshelf Speaker Shell 360*210*240mm With 2 Sound Holes Diy Wood Loudspeaker Empty Case Box 2pcs/lot - Speaker Accessories - AliExpress
Wharfedale Diamond 11 Series 6.5-inch 2-Way Diamond-11.2 - White Bookshelf Speaker - Pair
Amazon.com: HiVi-Swans D300 Bluetooth Powered Bookshelf Speakers - Studio Monitor Speakers - Bluetooth Desk Speakers for TV/Turntable/PC - 6.5 Inch Near Field HiFi Speakers 300w RMS - Wood Grain : Electronics
2-Way Bookshelf Speaker Kit - Matched Parts to Build a High-End 6.5 Inch 2-Way Bookshelf Speaker.