The gasket is made from plastic material, which is more comfortable to use and lasts longer. 2 pieces Gasket.
eBay
1 Piece 6x9 Inch 600W 12V Car Speakers Universal Subwoofer Car Audio Music Stereo Full Range Speakers for Car Auto Speaker
Aliexpress UK
Change the frequency to apply more speakers. The old crossovers are rigid. If they are not suitable for users, they cannot be changed after they are installed. And the cost is higher. Powerful bass effect.
eBay
2pc Car Audio Modified Crossover, High and Low 2-Way Car Set, Speaker Crossover, Coaxial Speaker, Tweeter Audiophile Grade
Aliexpress UK
1/2 Din Car Audio Digital Bass Processor, Sound Restoration & Crossover for Car Subwoofer with Bass Knob/Input Level: 15V RMS & Output Level: 13.5V Peak. For genuinely enjoy the music in your vehicle, you will need to be able to hear your music’s low frequencies!
eBay
2-Way HiFi Speaker Frequency Dividers Treble/Bass Car Audio Crossover Filter DIY Speakers Filter Free Welding Car Modification
Aliexpress UK
The integrated speaker Hi-Level Converter ensures low-level RCA output for seamless integration with your existing system. DS18 EQX7PRO. This high-strength 7-band stereo equalizer/crossover is the upgrade needed to achieve your audio dreams.
eBay
120W 2001 Speaker Frequency Divider 2 Way Car Audio Speakers Two Crossover Divider Crossover Filter for Cars
Aliexpress UK
Change the frequency to apply more speakers. The old crossovers are rigid. If they are not suitable for users, they cannot be changed after they are installed. And the cost is higher. Powerful bass effect.
eBay
Subwoofer Speaker 100W 4 Inch Bass Subwoofer Speaker 4Ohm 8Ohm 4 Layer Voice Coil Bass Speaker For Car Audio Home Theater DIY
Aliexpress UK
We'd like to settle any problem in a friendly manner. It's just take you 1 minute.
eBay
Car Subwoofer Amplifier Board, 500W Subwoofer High Power Hifi Bass Amplifier Board DC 12V
Aliexpress UK
Crossover Tweeter Frequency: 3.39~20kHz. Speaker Type Woofer. Crossover Woofer Frequency: 20~4.3kHz. Connectivity Technology Wired. Speaker Maximum Output Power 400 Watts. 150 Watts RMS/300 Watts Peak.
eBay
4/5/6 Inch HiFi Coaxial Subwoofer 12V 2 Way Car HiFi Coaxial Speaker 4 Ohms Vehicle Audio Music Stereo Subwoofer 300W/400W/500W
Aliexpress UK
The gasket is made from plastic material, which is more comfortable to use and lasts longer. 2 pieces Gasket.
eBay
Car Subwoofer Amplifier Board, 500W Subwoofer High Power HiFi Bass Amplifier Board DC 12V
Aliexpress UK