AIYIMA 5.25 Inch 30-50W Woofer Audio Speaker Driver 4Ohm 8 Ohm Music Bass Speakers Column Loudspeaker DIY For Home Sound System - AliExpress Consumer Electronics
Basovy reproduktor 4 ohm | Sleviste.cz
Repro 203mm - 8” basový 4ohm - 60W RMS
PA stredobasový reproduktor Monacor SP-6/100PRO, 100 W, 4 Ohm