Studio headphones

S4R recording and S4X mixing headphones

S4X 1.1 REFERENCE

S4R 1.1 RECORDING

IEC 60318-1&4 ear simulator

HOW DO THEY SOUND?

See how they compare

POWERFUL ACOUSTICS

We measure every pair

HANDPICKED COMPONENTS

MATCHED SPEAKERS

Studio headphones HPS S series matched speakers
Studio headphones HPS S4X woven mesh

POWERED by SAATI

HIGH PRECISION WOVEN MESH

CUSTOM DESIGNED

EARPADS

Studio headphones HPS S4X earpads
Studio headphones HPS S series cable

DETACHABLE

2000 MM CABLE


TECHNICAL SPECIFICATIONS

Frequency response

Variation in frequency response in band from 20Hz to 20kHz ~13,7dB (s4x) ~10,0dB (s4r) SPL *IEC60318-1

SPL/sensitivity

108dB s4x 111dB s4r / 1vrms@1Khz 30ohm

Impedance

32ohm, smart devices ready

Ear cups dimensions

Outer diameter: 90 mm

Ear cups material

American walnut

Headband material

Stainless steel and nautical artificial leather

Earpads size

Outer diameter: 90 mm
Inner diameter: 55mm
Depth: 20mm

Earpads material

Acoustic foam, extra elasticity poly leather and velour

Cable termination

Detachable 2 meters long Y 2.5mm mini jack

Connector

3.5mm jack with an adapter to 6.3mm jack

Weight

350g

Magnet type

Neodymium

Transducer type

Dynamic

Coil

2 layered

Membrane material

PET 25u

Matched speakers

Handpicked pairs

Warranty

5-year limited warranty

Trial period

30 days from delivery date

More technical data:

OLLO Audio manual


NATURAL FEEL

PREMIUM MATERIALS

AWARDED BY EXPERTS

GERMAN DESIGN AWARD winner

NATURAL COMFORT

EAR FATIGUE NO MORE

QUALITY CONTROL

WE MEASURE EVERY PAIR

Studio headphones S series warranty

WE'VE GOT YOUR BACK

5 YEARS LIMITED WARRANTY

TRUSTED BY INDUSTRY PROFESSIONALS

"I love my S4X reference headphones: they sound fantastic, are reliable and trustworthy, sit comfortably on my head and around my ears, don't give me ear-fatigue and don't press my ear onto the glasses allowing for continued and comfortable use.”

- MARC URSELLI
[U2, Foo Fighters, Nick Cave, Lou Reed, Sting, Keith Richards]

"The separation between the instruments, the dynamic and stereo image is perfect to be comfortable to mix with them.
I was amazed by the S4. But I am floored by the S4X!
Truly amazing."

- WILLIAM ROBERTSON
[Mick Jagger, Nicki Minaj, Will.I.Am]

TRY BEFORE YOU DECIDE

You have 30 days to try it, use it, and love it — if you don’t fall in love by that time, reach out to our team to initiate an easy return and refund process.

5 YEARS LIMITED WARRANTY

We trust our products and we build them to last. Our 5 year warranty program is a testament to our commitment to quality.

HANDBUILT ON THE EDGE OF THE ALPS

OLLO factory is located one hour drive away from Venice Italy.