Amazon.com: Gikfun 2" 4Ohm 3W Full Range Audio Speaker Stereo Woofer Loudspeaker for Arduino (Pack of 2pcs) EK1725 : Electronics
Amazon.com: Fielect 4 altavoces magnéticos para bricolaje de 5 W, 8 ohmios de 2.598 in de diámetro, altavoz de repuesto de forma redonda, 4 piezas : Electrónica
Amazon.com: Gikfun 2" 4Ohm 3W Full Range Audio Speaker Stereo Woofer Loudspeaker for Arduino (Pack of 2pcs) EK1725 : Electronics