Amazon.com: Visaton W250S-8 10" Woofer with Treated Paper Cone 8 Ohm : Electronics
Amazon.com: Pyle 4 Inch Dual Marine Speakers - Waterproof and Weather Resistant Outdoor Audio Stereo Sound System with Polypropylene Cone, Cloth Surround and Low Profile Design - 1 Pair - PLMR41B (Black) : Electronics
Amazon.com: Pyle Four-Way Sound Speaker System - One Pair 8'' Four-Way Quadriaxial Loud Audio, 500 Watts w/ 4 Ohm Impedance and 3/4'' Piezo Tweeter for Car Component Stereo PL814BK,Black : Electronics
Amazon.com: Visaton W250S-8 10" Woofer with Treated Paper Cone 8 Ohm : Electronics
Amazon.com: NEDIS Visaton Best Price Square Speaker, FR 10 HM, 4 OHMS 4898, Black : Electronics
SP Audio 2 MIDRANGE SP6.5CM-SLIM altoparlanti diffusori 16,50 cm 165 mm 6.5" di diametro 100 watt rms 200 watt max impedenza 4 ohm 96 db spl auto, a coppia : Amazon.it: Elettronica
2 woofer PYRAMID WX65X altoparlanti diffusori da 16,5 cm 165 mm 6,5" di diametro da 150 watt rms e 300 watt max impedenza 4 ohm, per auto, a coppia : Amazon.it: Elettronica
Amazon.com: 4 Ohm Speaker
Amazon.com: VIBE Audio Pulse 4" 10cm Car Van 240W Total 2 Way Coaxial Speakers Set - Pair : Electronics
Amazon.com: Polk Audio DB1042SVC 10 4-Ohm 1050 Watt Car Audio Subwoofer+Amplifier+Amp Kit : Electronics
Amazon.com: ATOTO CS-651DC 2-Way Car Coaxial Speakers 16.5cm, 230W max/60W RMS, Woofer 16.5cm and Tweeter 2.5cm, 4 Ohm Car Surround Sound Speakers, Pair : Electronics
Amazon.com: Fosi Audio M04 Subwoofer Amplifier for Home Theater Mono Channel Digital Class D Integrated Power Amp for Passive Speakers Subwoofer Rated 100W MAX : Electronics
Amazon.com: ACEIRMC 4pcs 2inch 4Ohm 10W Full Range Audio Speaker Stereo Woofer Loudspeaker for Arduino (4pcs) : Electronics