Waht does the 1r, 2r, 10r mean?

1R means 1 ohm, 2R means 2 ohms and so for the rest. This system of stating resistance is more common outside of the united states.

Can use this resistor for Audio application, I have multiple speakers connected in parallels, I want to add this resistor to maintain the impedance?

Certainly it's a good idea to match the impedance of your speakers with your Amp. These resistors can help you if you do the math. However, deppending on the impedance of your speakers an your Amp, you could rather make some series-parallel arrangement to avoid wasting power in resistors.

Does somebody have the measurements of these so i could try and figure hout needed heatsinks and fans?

The base of the power resistors measures 60mm x 23 mm with two holes for mounting now the terminal ends stick out 12 mm from the end of the resistor. 15 mm height of case and 17 wide case you can covert to inches mm is more accurate.

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Set of 5 100W Watt Shell Power Aluminum Housed Case Wirewound Resistor 2R Ohm

Product ID: 56359626

⚡100W Power

📏60mm x 22mm x 15mm

🔧Wirewound Design

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VT8784

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Description

🔌 Power Up Your Projects with Precision!

COMPACT SIZE - Perfectly sized at 60mm x 22mm x 15mm for easy integration.
UNLEASH THE POWER - Experience 100W of robust performance for your projects.
HIGH QUALITY ACOUSTICS - Ideal for frequency dividers and high-demand setups.
DURABLE ALUMINUM HOUSING - Built to withstand the toughest industrial environments.
VERSATILE RESISTANCE OPTIONS - Choose from 1R to 10R for tailored applications.

This set of 5 wirewound resistors features a robust 100W power rating and comes in various resistance options from 1R to 10R. Each resistor is housed in a durable aluminum shell, making them perfect for high-performance applications in challenging industrial environments.

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