TRUSTED BY

INDUSTRY PROFESSIONALS





$649.00

Open back headphones ideal for mixing and audiophile listening, The solidly design OLLO Audio S4X Reference is hand-built in Slovenia with a neutral sound balance. Building on the successful S4 model, the S4X from OLLO improves with a flatter frequency response, better soundstage, wearing comfort and a premium finish.

SPECIFICATIONS

Type:Open back design
Driver:50mm
SPL:108dB / 1vrms @ 1kHz 32 Ohm
Frequency range:20 - 22KHz flat response design
Impedance:32 Ohm
Ear pads outer diameter:90mm
Ear pads inner diameter:55mm
Ear pads depth:25mm
Ear cups materials:American walnut
Headband material:Stainless steel and nautical leather
Ear pads size:90mm
Ear pads 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 adapter to 6.3mm jack
Weight:350g
Warranty:5 years limited warranty
$649.00

Close back headphones ideal for recording, producing and podcasting. The solidly design OLLO Audio S4R Recording headphones is hand-built in Slovenia with a neutral sound balance. Building on the successful previous model, the 2021 S4R 1.1 from OLLO improves with extra clarity, more isolation, wearing comfort and a premium finish.

SPECIFICATIONS

Type:Close back design
Driver:50mm
SPL:111dB / 1vrms @ 1kHz 32 Ohm
Frequency range:20 - 22KHz flat response design
Impedance:32 Ohm - smart devices ready
Ear pads outer diameter:90mm
Ear pads inner diameter:55mm
Ear pads depth:20mm
Ear cups materials:American walnut
Headband material:Stainless steel and nautical leather
Ear pads size:90mm
Ear pads 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 adapter to 6.3mm jack
Weight:382g
Warranty:5 years limited warranty

FREQUENCY RESPONSE

COMPARISONS WITH OTHER STUDIO HEADPHONES INCLUDED

Explore and compare headphones frequency responses 

captured in the same lab by the same operator to achieve nearly zero deviation between data sets.

AT OLLO AUDIO 

We strive to change how audio professionals experience audio equipment and in doing so, inspire them to push beyond what is considered standard in their respective audio fields.

COMMUNITY

Our community is at heart of everything we do. Our ambassadors actively participated in the process of developing all of our products and are the reason we are where we are. The feedback and the passion of our endorsers is a fuel that gets us going and it kind of feels like a second family.

THE SCIENCE

We design our headphones based on what audio professionals require from pro audio monitoring. All ambassadors feedback is analysed and validated with lab experiments where consistency is key. Using top level data acquisition system by Dewesoft and GRAS to have high accuracy and repeatability. 

Brought to you with full transparancy

At OLLO Audio, we are musicians with strong engineering background and believe in both, the art and the science. The headphones come with individual measurements charts that give extra understanding of their sound signature. Unlock your full creative potential of our headphones.

REFERENCE

S4X

MIXING - MASTERING - ENJOYING

RECORDING

S4R

PRODUCING - TRACKING - PODCASTING

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