Amazon.co.jp: Dayton Audio RS100P-8 3.9 inches (10 cm), Paper Cone Midwoofer, 8 Ohms, Black : Electronics
Amazon.com: Massive Audio MC10II MC Series. 10 Inch, 800 Watts, 8 Ohm Pro Audio Midrange/Midbass Speaker for Cars, Stage and DJ Applications. Sold Individually. : Electronics
Amazon.com: PRV AUDIO 10 inch Midbass Speaker 10MB800FT, 800 Watts Program Power, 8 Ohm, 2.5 in Voice Coil, 400 Watts RMS Pro Audio Mid Bass Loudspeaker (Single) : Musical Instruments