Technical correctness of Watt, Volt etc.

[Zuidersma]

Watt, Volt, Amp etc. where all people so on would think that you would would say:

This amplifier is 300 Watt per channel. Many people use watts, amps, volts, newtons. All are plural form.

Is this correct ? Any views on this ?

 

[JonnyP]

 

[Steerpike]

 

[Zuidersma]

 

[Katji]

 

[pwatts]

 

[deonk2000]

 

[Tzs503gp]

 

[Zuidersma]

 

[Katji]

 

[Tzs503gp]

 

[whboshoff]

 

[Katji]

 

[Stanp]