The gasket is made from plastic material, which is more comfortable to use and lasts longer. 2 pieces Gasket.
eBay
8 Inch 200W Car Ultra Slim Subwoofer Car Under-Seat Active Subwoofer Power Amplifier Bass Box Car Stereo Audio Speaker 30-100Hz
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
1.0mm Frequency Divider Empty Core Inductor coil Custom Audiophile Audio Crossover Car Audio Crossover
Aliexpress UK
You can adjust the processor to affect a wide or narrow bandwidth of frequencies around the selected frequency. For example, if you have set the processor to affect 30 Hz, a narrow setting would only mainly affect that frequency, while a wide setting would affect a large range of frequencies around 30 Hz.
eBay
Car 8-Inch 12V Ultra-Thin With Tweeter Subwoofer Built-In High-Power Subwoofer Vehicle-Mounted Subwoofer
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
5-inch Dual Subwoofer Empty Box with Power Amplifier Hole Active Subwoofer Drawer DIY Car/Home Speaker Box Subwoofer Housing
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
4-inch Dual Subwoofer Empty Box with Power Amplifier Hole Active Subwoofer Drawer DIY Car/Home Speaker Box Subwoofer Housing
Aliexpress UK
Capping power: 200W. 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.
eBay
1 Piece 6x9 Inch 600W 12V Car Speakers Universal Subwoofer Car Audio Music Stereo Full Range Speakers for Car Auto Speaker
Aliexpress UK
We'd like to settle any problem in a friendly manner. It's just take you 1 minute.
eBay
Slim Underseat Powered Car Subwoofer 10in 800W with LED Atmosphere Light Excellent Heat Dissipation Performance Car Subwoofer
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
IIJJ-Car Amplifier Board 12V High Power Subwoofer Amplifier 120W Full Tone Pure Bass Car Subwoofer Core 8-12 Inch
Aliexpress UK