Nitro 5 AN515 audio > 3.5mm how much power the output power? Does "Power 2x2W" refers speakers?

paddy128

Nitro AN515. There is one 3.5mm jack. I saw a spec page > section "Sound", that quotes :

"

Speakers 2.0
Power 2x2W
Dolby Atmos No
Loudness ~76 dB
Microphones 2

"

Does "Power 2x2W" refers to the speakers?

I'm more interested in how much power the 3.5mm jack can output, in V. Anyone? It's for a headphones.

Also, it's USB-A ports output at most 5V. Is that right?

[Edited the thread to add issue detail]

Puraw

https://community.acer.com/en/discussion/705469/nitro-5-audio-3-5mm-how-much-power-the-output-power-does-power-2x2w-refers-to-the-speakers

That refers to the internal speakers. 2x2W is also the standard for monitor speakers, audio port output is 0.316 V RMS which is too low to drive speakers directly and requires an amplifier or powered speakers which determines the power (Wattage). If we assume 16 ohm headphones then it will deliver 0.0062 W or 6mW RMS into them (Source: https://forums.tomshardware.com/threads/how-many-watts-does-my-computers-volume-audio-give-out-to-speakers.2269646/)

paddy128

How much power the 3.5mm jack can output at max, in V, for a Nitro AN515?

paddy128

(1)

Just to double check. "…the nominal output is 0.316 V RMS" quoted from the tomshardware link. They were talking about "a typical Dell system (Realtek high definition audio or Dell audio)".

(a) Does that apply to Nitro AN515?

(b) Does that specifically apply to the 3.5mm jack?

(2)

"I would assume that computers output at consumer and not professional levels. In that case the nominal output is 0.316 V RMS"

I am looking for the max output, if that's what the "professional levels" implies. I am not asking questions for any speakers actually. I am asking for high impedance headphones. I get that Nitro AN515 is hopeless in driving a 600-ohms. What about a 250-ohms headphones? I also kinda sense that Nitro AN515 is hopeless at driving a 250-ohms at 107db. Okay, less than 107db, then. Then, how less?

I find this page very useful: https://www.headphonesty.com/headphone-power-calculator/

I know my target sensitivity is 98 db; that one is fixed. 250 ohms that's fixed too. Headphone loudness: 107db entered, out-pop required power 7.94 mw and required volage 1.41 RMS(V). Reminder: I kinda sense Nitro AN515's 3.5mm port can't reach 7.94 mw and 1.41 V.

98 db fixed, 250 ohms fixed. If I lower the loudness (dB), I sense Hope (because the required power (mv) and voltage (V) also go down). Then how low must I go?

If plugging in numbers on that webpage is no longer your thing, and you are familiar with specifically Nitro AN515, I am very specifically asking:

~~~~~~ What is the max output of Nitro AN515's 3.5mm jack in Power (mw)? ~~~~~~

To Puraw: I do appreciate your feedback.

For anyone as clueless as me: "assume 16 ohm headphones then it will deliver 0.0062 W or 6mW RMS " sounds reasonable as I was having fun plugging in numbers:

My low impedance headphone as a sensitivity of 107db(1mw). I read somewhere that says headphones of sensitivity >100db are counted as easy to drive. A 16 ohms headphones surely belong to the easy-to-drive category so probably has a >100db sensitivity too. I just put a decent sensitivity in; happens to be 102. Higher the sensitivity, lower the required power in mw. Lower the loudness (db), lower the required power.