PanasonicRP-HT21 Lightweight Headphones with XBS, 16Hz-22kHz Frequency, 16 Ohm Impedance, Wired Connectivity

Q: Do they enclose the ears or press against them? I can't tell how big they are.

With a center hole inside the padding of only about 1 & 3/4's inches around, these do not come close to enclosing my ears.

Q: Will this headphone jack fit through the headphone jack on my iphone 5s life proof case?

Fits fine through my Otterbox Defender (iphne 5S)

Q: Down the road, will 2-inch-diameter replacement foam earpads fit these Panasonic headphones?

I just measured them & they're actually oval, not circular. Approx dimensions are 2.25 x 1.75, so they're more than 2" at the longest dimension. You could try them, but more than likely, won't fit. Perhaps Panasonic sells some?

Q: Will these work well outside brisk walk or running with an iPod?

We only use these on a computer, so I'm not sure how they'll function with movement. I can see them maybe working on a brisk walk, but they might be shaky for a run.

Product ID: 21213073

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Details

Brand
Panasonic
Color
Black
Ear Placement
On Ear
Form Factor
On Ear
Impedance
30 Ohm

🎧30mm neodymium drivers

📏4.5-ft extended cord

🔊XBS enhanced bass

Description

🎧 Elevate your everyday audio with lightweight power and booming bass!

BASS THAT MOVES YOU - XBS port technology delivers deep, immersive low frequencies that command attention
TANGLE FREE FREEDOM - Generous 4.5-foot cord length lets you move freely without unplugging your vibe
PRECISION AUDIO RANGE - Wide 16Hz-22kHz frequency spectrum for crystal-clear highs and rich lows
COMFORT MEETS DURABILITY - Ergonomic wide headband with foam-cushioned earcups for premium fit and long sessions
LIGHT AS AIR SOUND AS POWER - Ultra-light 1.2 oz design for all-day comfort without fatigue

The Panasonic RP-HT21 headphones combine featherlight on-ear design with 30mm neodymium drivers and XBS bass enhancement, delivering a rich, full-range sound experience. With a comfortable wide headband, foam ear cushions, and an extended 4.5-foot cord, these wired headphones are engineered for professional-grade listening on the go.

Specifications

Headphone Folding Features	On Ear
Earpiece Shape	On-ear
Headphones Ear Placement	On Ear
Style Name	On Ear - No Mic
Color	Black
Battery Charge Time	16 Hours
Water Resistance Level	Not Water Resistant
Is Electric	No
Antenna Location	Music, Travel, Recording
Compatible Devices	Phones, Laptops, Music Production Equipment, Tablets
Cable Features	Without Cable
Additional Features	lightweight
Enclosure Material	Acrylonitrile Butadiene Styrene (ABS)
Specific Uses For Product	personal
Unit Count	1 Headphone
Item Weight	1.2 Ounces
Wireless Technology	WIRED
Connectivity Technology	Wired
Headphone Jack	3.5 mm Jack
Frequency Range	16 Hz - 22,000 Hz
Audio Driver Type	Dynamic Driver
Audio Driver Size	30 Millimeters
Frequency Response	22 KHz
Impedance	30 Ohm
Noise Control	None