is everything in the box needed for Installation?

Yes, with the accompanying Amp Kit. Its complete along with rubber insulation you gave to attach yourself. I would suggest electrical tape, wire strippers, and a pair of terminal/electrical pliers (I apologize if you are already aware.).

Has anyone added a second sub to their system?

Yes. I used RCA splitters and installed two in my Mitsubishi Montero. Sounds amazing and have been going strong for 3 years. I tried to split the remote control using a telephone line splitter but got weird feedback when I tried to do that, so I just went without the remote control.

How difficult is this to install?

It's easy to install if you understand stereo systems and how to run the wires. The hardest part is getting to your stereo. Not sure if you have experience or not installing systems. If you do, its easy.

If I got splitters for both the rca and remote control (telephone jack), can I install one sub under each of the front seat?

Yes. I split my rca signal and installed 2 of the speakers.

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🎶 Elevate your ride with bass that’s as sleek as your style.

BUILT TO LAST - Cast aluminum enclosure with thermal, short, and overload protection ensures reliability on every drive.
SLIM POWERHOUSE - Only 2.8" thick to fit discreetly under your seat without sacrificing bass impact.
PRO GRADE WIRING - Includes premium 10 AWG copper wiring kit for maximum power transfer and durability.
CUSTOMIZABLE SOUND - Adjustable input sensitivity, phase switch, bass boost, and low pass filter for tailored audio.
PLUG PLAY BASS BOOST - Integrated amp with smart auto turn-on/off for effortless, clean installation.

The Rockville SS8P is a slim, 8-inch powered subwoofer delivering up to 400 watts peak power, designed to fit under your car or truck seat. Featuring a built-in amplifier with smart auto turn-on technology, adjustable sound controls, and a durable cast aluminum enclosure, it offers powerful bass without bulky setups. The package includes a premium 10 gauge 100% copper wiring kit for optimal installation and performance, making it the ultimate all-in-one bass upgrade for professional millennials seeking clean, impactful sound on the go.

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€ 600.87

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Model Name	SS8P
Speaker Type	Subwoofer
Special Feature	Subwoofer, Waterproof, USB Charging, Built-in Microphone
Compatible Devices	Car Audio System, Truck Audio System
Subwoofer Diameter	8 Inches
Surround Sound Channel Configuration	2 1
Colour	silver
Item Weight	4.99 kg
Impedance	2 Ohm
Is Waterproof	false
Control Method	Remote
Wireless Communication Technology	Bluetooth
Speaker Size	8 Inches
Power Source	Battery Powered
Brand Name	Rockville
Colour Name	silver
Signal-to-Noise Ratio (db)	9E+1 dB
Product Dimensions	27.94 x 35.81 x 13.72 cm; 4.99 kg
Item model number	SS8P+RWK10
Manufacturer	Rockville
Item Weight	4 kg 990 g

Rockville SS8P 400 Watt Slim Under-Seat Powered Car/Truck Subwoofer Sub+Amp Kit

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