Lucky Tone Wp-420W/B 100V 20W @8 Ohm 4 Inch 2 Way ABS Wall Mount Box Speaker with Fashionable Appearance and Good Music Reproduction - China Wall Speaker and Wall Mounted Speaker price
Amazon.com: Visaton M 10 4" Sealed Back Cone Midrange Driver 8 Ohm : Electronics
Jensen C12N 4 Ohm :: C-Series :: Jensen :: Speakers :: Amp Parts :: Banzai Music GmbH
Speaker - 3 Diameter - 8 Ohm 1 Watt : ID 1313 : $1.95 : Adafruit Industries, Unique & fun DIY electronics and kits