What is the best volume hxwxd for this? port size?

The best? I couldn't say. I have them loaded in 2x18 yamaha club series and home built 1x18's copied from some basic sub cabinet. Both setups sound fine.

Nope. They are actually pretty useless. Tried 3 different box styles and sizes and they don't hit anything. I've sold them and bought a eminence sigma pro since. That I recommend. Unreal lows and can go loud. Unlike these Rockville. Spend the extra and get the eminence sigma pro

Is there an optimal sealed box, or ported box dimensions specifically for these drivers, ( rvp18w8 )or am i ok to use standard calculations?

PERSONALLY I USE PORTED CABS ESPECIALLY FOR SUBS. YOU CAN USE MANY DIFFERENT DESIGNS AS LONG AS YOUR CAB IS PORTED EVEN REFLEX CABS.

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2 Rockville RVP18W8 2400w 18" Pro Subwoofers 8-Ohm Raw Sub Woofers 90 Oz Magnets

2 Rockville RVP18W8 2400w 18" Pro Subwoofers 8-Ohm Raw Sub Woofers 90 Oz Magnets

Product ID: 735973924

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Details

Brand
Rockville
Speaker Maximum Output Power
1200 Watts
Audio Output Mode
Stereo
Mounting Type
Plug Mount
Model Name
(2) RVP18W8

🔊2400W Peak Power

🧲90 Oz High BL Magnet

🎚️8-Ohm Impedance

Description

🎵 Own the room with seismic bass that commands attention!

MASSIVE 90 OZ MAGNET - Experience deeper bass with a magnet 28% stronger than competitors.
PRECISION 8 OHM DESIGN - Optimized impedance for seamless amplifier compatibility and clarity.
UNMATCHED POWER OUTPUT - Feel the 2400W peak power that dominates any soundscape.
PRO GRADE BUILD QUALITY - Steel basket, high-temp voice coil, and nickel-plated terminals ensure durability and premium performance.
ULTRA STIFF FIBER COMPOSITE CONE - Delivers crisp, distortion-free lows even at max volume.

The Rockville RVP18W8 is a professional-grade 18" subwoofer pair delivering 2400 watts peak power (1200W RMS total) with an industry-leading 90 oz magnet for deep, powerful bass. Featuring an ultra-stiff fiber composite cone, 8-ohm impedance, and robust build quality, these subs are engineered for high-end home theater and car audio systems seeking unmatched sound clarity and impact.

Specifications

Speaker Type	Subwoofer, Surround Sound, Woofer
Special Feature	Subwoofer
Recommended Uses For Product	For Home Theater Systems, For Surround Sound Systems, For High-End Music Systems
Compatible Devices	Amplifier, Car Audio System, Home Theater
Subwoofer Diameter	18 Inches
Net Quantity	2.0 Count
Colour	Black
Item Weight	44 Pounds
Impedance	8 Ohm
Is Waterproof	FALSE
Product Dimensions	7.62 x 7.62 x 7.62 cm; 19.96 kg
Item model number	(2) RVP18W8
Manufacturer	Rockville
Item Weight	20 kg

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