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: 1in Speaker 26mm 8 ohm 1/4 watt (0.25 w) Green Plastic 4 in (104 mm) Wires : Electronics
Amazon.com: Herdio 5.25 Inch Wall Mount Passive Speakers Indoor Outdoor in-Wall/in-Ceiling Speaker, Perfect for Covered Porches, Home, Office(2 Pairs,White) : Electronics
Amazon.com: AudioBank AB-430 | 3-Way Coaxial Speakers for Car with Maximum Power 250 Watt / 4 Inches Size/Frequency Response : 100Hz-20000Hz Sensitivity: 88dB/1W/1M : Electronics