We were able to find the following information from the manufacturer. Thanks to its built-in Class D technology, the TS-WX130EA is even easier to install because it has both speaker and RCA line inputs. This means you can connect it to your existing audio system for a simple and straightforward upgrade.

Hi, yes a remote cable for volume control and maybe a power tap or something else would be ideal

Der teurere hat "DIGITAL BASS CONTROL for DEEP and DYNAMIC controlled bass". https://www.pioneer-car.eu/eur/products/ts-wx130ea/specifications https://www.pioneer-car.eu/eur/products/ts-wx130da/specifications

According to the information found, the connection cable for power and signal is already included in the delivery. Mounting material is included, so you can start the installation in your car immediately.

According to my own research, only bass tones are transmitted via this subwoofer. :)