Yamaha VXS3F 3.5" Low-Impedance Surface-Mount Speaker, 8 Ohm | Full Compass Systems
Harmony HA-P15WS8 Replacement 15" PA Speaker 8 Ohm Woofer for Behringer B115W | HA-P15WS8-FIT5
1.75 Inch 45MM Full Range Speaker 8 Ohm 5W for Sabre SB 2pcs - AliExpress Consumer Electronics
Mini Oval Speaker - 8 Ohm 1 Watt : ID 3923 : $1.95 : Adafruit Industries, Unique & fun DIY electronics and kits
AIYIMA 2Pcs 2 Inch Full range Mid tweeter Speaker 8 Ohm 8W Sound Speaker Home Theater Audio Loudspeaker For Harman Kardon|Bookshelf Speakers| - AliExpress
JBL Control 23-1L 3" 2-Way Surface-Mount Speaker, 8 Ohm | Full Compass Systems
Amazon.com: Visaton Full-Range Speaker 8 cm (3.3'') 8 Ohm 15W 100-V System : Electronics
Speco Technologies 5" Weatherproof Aluminum PA Horn Speaker SPC8
Visaton FRS7-8 2.5" Full-Range Speaker 8 Ohm
CUI Devices - GF1004X - Speaker. 8 Ohm 6-10 Watt, 145 Hz ~ 17 kHz, Package of 2.
Dayton Audio CE Series CE32A-8 1-1/4" Mini Speaker 8 Ohm