OLLO Audio S4R 1.3 Recording Headphones
Best accurate monitoring for professional audio engineers.
The OLLO Audio S4R 1.3 are closed-back, dynamic headphones designed for studio recording and podcasting. They feature hand-picked, matched transducers for accuracy and instrument separation, with a 50mm PET membrane and a 32-ohm impedance, making them compatible with smart devices. The SoundSeal™ acoustics ensure minimal sound leakage and phase cancellation for a direct sound signature. These headphones are built for durability with a stainless steel headband and replaceable components, offering comfort for long sessions with a self-adjusting strap and hybrid earpads. Each pair includes a Unit Specific Calibration file and plugin for enhanced accuracy.
$493.00
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Owner Satisfaction
4.6
/ 5
Category Rank
454
/ 6142
#454 in Headphones
Price vs Category Average
-16%
Below average
SPEAKER
.110010
/ Hand-picked and left / right matched transducers delivering accuracy and instrument separation (+/-dB SPL tolerance, pink noise, range Hz-kHz in free field)
Who it's for
- Recording artists and engineers needing pristine, bleed-free tracking
- Audio professionals and critical listeners demanding true-to-source sound
- Studio users and producers requiring reliable, comfortable gear for long sessions
Who should skip it
- Mix engineers prioritizing a wide, airy soundstage for spatial processing
- Aspiring musicians and home studio owners with tighter equipment budgets
- Consumers who value modern design and portability in their audio gear
Performance breakdown
Acoustic Accuracy
Hand-picked transducers and unit-specific calibration ensure professional-grade sonic precision.
Isolation Performance
SoundSeal technology effectively minimizes leakage for clean, focused studio recording sessions.
Build Durability
Stainless steel construction and modular, user-replaceable parts guarantee long-term reliability.
Ergonomic Comfort
Hybrid earpads and a self-adjusting strap provide fatigue-free wear during marathons.
Device Compatibility
Low 32-ohm impedance allows for excellent performance across diverse mobile hardware.
Cable Versatility
Reversible, detachable design adapts seamlessly to various studio and instrument setups.
Key Specs
SPEAKER
Hand-picked and left / right matched transducers delivering accuracy and instrument separation. (+/-1dB SPL tolerance, pink noise, range 100Hz-10kHz in free field)
SPEAKER
50 mm, PET 25u membrane, 2-layered coil, 32 ohms
SPEAKER
Dynamic Neodymium speaker with 109dBSPL (S4X) / 111dBSPL (S4R) 1Vrms@1KHz 30ohm output
SPEAKER
Replaceable using home tools
ACOUSTICS
Replaceable earpads with an outer diameter of 90 mm(3.5inch), an inner diameter of 55mm(2.2inch) and a depth of 20mm(0.8inch)
ACOUSTICS
Hybrid artificial leather and velour earpads to control flow resistance around the earpads seal resulting in smoother response in low mids and mids (150Hz-1kHz)
ACOUSTICS
1kHz @ 85dBSPL sweep THD < 0.084%S4X / 0.079%S4R
ACOUSTICS
Variation in frequency response in band from 20Hz to 20kHz ~13,7 dB SPL S4X / 10,0dB SPL S4R, pink noise IEC 60318-1 compatible standard
Features
- Unit Specific Calibration for enhanced accuracy
- SoundSeal™ acoustics for minimal leakage
- Durable stainless steel headband
- Comfortable hybrid earpads for long sessions
- Detachable and reversible silicone cable
- 5-year limited warranty
What customers say
Customers consistently praise the exceptional sound accuracy and natural reproduction, making these headphones a reliable tool for critical listening and mixing. Many also highlight the impressive comfort, even during extended studio sessions, attributing it to the thoughtful design and lightweight build. This combination of sonic fidelity and wearability stands out as a primary driver of positive feedback, establishing them as a highly regarded option for professionals seeking precision and comfort.
Know before you buy
Yes, the S4R 1.3 features SoundSeal™ acoustics, which are specifically designed to minimize sound leakage. This prevents your backing track from bleeding into the microphone during vocal or instrument recording sessions.
Absolutely. With a 32-ohm impedance, these headphones are efficient enough to be driven easily by smart devices and standard laptop headphone jacks without requiring a dedicated external amplifier.
Every pair of S4R 1.3 headphones comes with a unique calibration file based on the measurements of your specific unit. By using the included VST3 or AU plugin in your DAW, you can compensate for minor frequency variations to achieve a more neutral and accurate monitoring experience.
Yes, OLLO Audio designed these headphones for longevity. Both the earpads and the detachable silicone cable are user-replaceable, and you can even swap out the headband components using standard home tools.
The cable is designed to be detached and flipped. This allows you to route the cable behind your back when you need it out of the way for playing instruments, or in front of you when you are sitting at a desk producing.
The headphones feature a self-adjusting artificial leather strap and hybrid earpads that combine artificial leather and velour. This design helps manage pressure and heat, making them comfortable enough for extended periods of use.
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$493