No. There is no power involved with these headphones. The wires are plugged into a "source" like a phone, digital music player, receiver etc.

Do these comfortably fit a head that wears a hat size of 8 1/2?

Can’t say for sure as I’m 7 3/4 but I’m able to wear them comfortably for 6-8 hrs at a time. Seems plenty fo room to spare

I don't really get it, Fifelio X3 description says "balanced and unbalanced cables included", the balanced one is 2.5mm or 4.4mm?

On the headphone side, both cables are 3.5mm TRS. But on the amp side, yeah, the balanced cable terminates in a 2.5mm balanced. No idea why they made that decision, but I picked up a 2.5 balanced to 4.4 balanced converter that seems to work fine

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Fidelio X3 Professional Studio Monitor Headphones for Recording & Mixing Wired Over The Ear Open-Back Headphones, Multi-Layer 50mm Diaphragms, Hi-Res Music Studio Headset, Premium Finishing

Product ID: 220842071

Details

Brand
PHILIPS
Color
Black
Ear Placement
Over Ear
Form Factor
Over Ear
Impedance
31.97 Ohms

🎧50mm multi-layer diaphragms

🔊Hi-Res Audio certified

🌬️Open-back wide soundstage

€ 316.51

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Description

🎶 Elevate your mix with the sound of pure studio brilliance!

SUSTAINABLE LUXURY - Premium Muirhead Scottish leather headband crafted from ethically sourced materials for guilt-free style.
IMMERSIVE SOUNDSTAGE - Open-back design with acoustically transparent Kvadrat fabric delivers a spacious, natural listening environment.
HI RES CERTIFIED AUDIO - Unlock every detail with certified high-resolution audio for lifelike sound reproduction.
STUDIO GRADE PRECISION - Experience crystal-clear highs and balanced mids with expertly tuned 50mm polymer diaphragms.
VERSATILE CONNECTIVITY - Includes detachable balanced/unbalanced cables and adapters for seamless use with studio gear or mobile devices.

The Philips Fidelio X3 headphones combine professional-grade 50mm multi-layer diaphragms and an open-back design to deliver an expansive, natural soundstage. Certified for Hi-Res Audio, they reveal every nuance in your music with pristine clarity. Crafted with sustainably sourced Muirhead Scottish leather and equipped with versatile detachable cables, these headphones are the perfect blend of luxury, performance, and ethical craftsmanship for discerning audiophiles and professionals alike.

Specifications

ASIN	B0884XTXS8
Additional Features	Foldable
Age Range Description	Adult
Antenna Location	Music
Audio Driver Type	Dynamic Driver
Best Sellers Rank	#22,320 in Electronics ( See Top 100 in Electronics ) #714 in Over-Ear Headphones
Brand	PHILIPS
Brand Name	PHILIPS
Built-In Media	Cable
Cable Features	Retractable
Carrying Case Color	Black
Carrying Case Material	Leather
Color	Black
Compatible Devices	Devices with 3.5 mm audio jack or adaptable to it
Connectivity Technology	Wired Hi-Res Music Studio Headset
Control Method	Touch
Control Type	Media Control
Customer Package Type	Standard Packaging
Customer Reviews	4.4 out of 5 stars 936 Reviews
Ear Placement	Over Ear
Earpiece Shape	around the ear
Enclosure Material	foam
Form Factor	Over Ear
Frequency Range	5 Hz - 40 kHz
Frequency Response	40000 Hz
Global Trade Identification Number	04895229102781, 14895229102788
Headphone Folding Features	Over Ear
Headphone Jack	3.5 mm Jack
Headphones Ear Placement	Over Ear
Impedance	31.97 Ohms
Is Autographed	No
Item Type Name	Headphones
Item Weight	13.4 Ounces
Manufacturer	Philips
Model Name	Fidelio X3
Model Number	X3/00
Noise Control	None
Number of Items	1
Sensitivity	103
Series Number	6923410710205
Specific Uses For Product	Entertainment, Professional
Style Name	Over Ear
Theme	Studio Monitor
UPC	840063201309
Unit Count	1.0 Count
Warranty Description	1 year warranty
Water Resistance Level	Not Water Resistant
Wireless Technology	Bluetooth

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€ 316.51

Duties & taxes included

In stock

Sold byAmazon CyprusDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Cyprus.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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