Ghxamp 300w 600w Subwoofer Speaker Crossover Audio 1 Way Filter Frequency Divider Super Woofer For 12 Inch 15 Inch Speakers 1pcs - Speaker Accessories - AliExpress
Order the Subwoofer Crossover 130 Hz - SoundImports
White JBL C60P/T Pendant Subwoofer — AV Now Fitness Sound
What Happens If I Use A Different Impedance Speaker On A Crossover?
Bosch - LB6-100S-D - Compact Sound Speaker System, high performance 8-inch subwoofer module included four (4nos) 2-inch satellite speakers. Black Color. Supports crossover network and either 4/8 ohm or 70/100v signal connections.
China Passive 6.5 Inch 50W at 8 Ohm ABS 2-Way Rimless Ceiling Speaker with 2 Tweeters, Kevlar Driver and Crossover Good for PA and Bgm Lucky-Tone Cp-650L - China 2 Way Ceiling