Amazon.com: 18" 8-Ohm Replacement Speaker for JBL,Yamaha,Cerwin,Peavey - 8- Ohms Features Full Range Design - Frequency Response: 40-2,800Hz : Musical Instruments
Amazon.com: Fielect 4Pcs DIY Magnetic Speaker 1W 8 Ohm 24 x 15 x 4mm(L x W x H) Oval Shape Replacement Loudspeaker : Electronics