Will everyones ears fit into these? I like Astro

My family stood side-by-side, ear-to-ear so we could all listen, but the headphones were too small to Fit “everyone’s ears into these”...plus my daughters ears get pretty waxy so the sound quality playing out of her ear hole would have been muffled.

What is the difference between the 250 ohm and 32 ohm models?

The Ohm is the unit of electrical impedance. It's a measure of how difficult it is for current to flow through the conductor. A conductor with a higher impedance will require a higher voltage to push an equivalent current level through it than one with a lower impedance. A 10-volt source can drive 40 milliamps (.04 amps) through a 250 Ohm impedance, but you only need a 1.5V battery to push 47 milliamps through a 32 ohm impedance. This is why 32 Ohm headphones are recommended for portable equipment (phones, etc), where low-voltage battery sources are common. A 600 Ohm headphone is more appropriate for studio work, where the amplifier driving them often uses +/- 15 volts (a 30 volt swing). A 250 ohm headphone is one that attempts to bridge both worlds - low enough to be used with battery powered sources, but "stiff" enough (electrically) to take advantage of the benefits that a big voltage swing provides, such as a higher s/n ratio. A lower impedance headphone (everything else being equal) does NOT require less power to use. In fact, it requires slightly more. But you do not want to use a 600 ohm set of headphones (in general) with a low-voltage amp such as one the one in your phone or laptop. Generally, they will not play as loudly, as they will require more current than the amplifier can provide into the higher impedance.

ASIN	B0024NK34O
Additional Features	HIFI
Age Range Description	Adult
Antenna Location	Music, Calling, Recording
Audio Driver Type	Dynamic Driver
Best Sellers Rank	#34,864 in Electronics ( See Top 100 in Electronics ) #645 in Over-Ear Headphones
Brand	beyerdynamic
Built-In Media	3.5mm to 1/4" adapter, Beyerdynamic DT 990 - 600 Ohm Gray Headphones, Soft Carrying Case
Cable Features	Not Detachable
Carrying Case Color	Black or Gray
Carrying Case Material	fabric or leather
Color	Gray
Colour	Gray
Compatible Devices	Tablets, Smartphones
Connectivity Technology	Wired
Control Method	Touch
Control Type	Volume Control
Customer Package Type	Cushioned
Customer Reviews	4.4 out of 5 stars 1,376 Reviews
Ear placement	Over Ear
Earpiece Shape	circumaural
Enclosure Material	Plastic
Form factor	Over Ear
Frequency Range	23000
Frequency Response	23000 Hz
Headphone Folding Features	Over Ear
Headphone Jack	3.5 mm Jack
Headphones Ear Placement	Over Ear
Impedance	600 Ohms
Is Autographed	No
Item Weight	762 g
Item height	8.5 inches
Manufacturer	beyerdynamic
Model Name	483966
Model Number	beyerdynamic
Noise Control	None
Noise control	None
Number of Items	1
Sensitivity	96 dB
Series Number	483966
Specific Uses For Product	Home
Style Name	Headphones
Subject Character	no character
Theme	Video Game
Unit Count	1 Count
Water Resistance Level	Not Water Resistant
Wireless Technology	3.5 mm

beyerdynamic DT 990 Edition 600 Ohm Over-Ear-Stereo Headphones. Open design, wired, high-end for use with headphone amplifiers

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