Focusrite Scarlett 18i20From real comments

Verdict distilled from 28 mentions across 13 aspects in comments under product review videos.

Positive sentiment56%
PROS 56%
CONS 44%

Rank based on 28 mentions across 13 aspects

View the verdict as

Buy this if...

  • You need 8 quality mic preamps plus ADAT expansion for growing channel counts
  • You want a rack-mounted interface with dual independent headphone outs for tracking sessions
  • You value proven Focusrite preamp sound and routing flexibility at a mid-range price

What users love

Skip this if...

  • You need rock-solid low-buffer performance without occasional pops or clicks
  • You're wary of driver/software reliability issues and slow firmware fixes
  • You need higher-end converter/preamp transparency than entry-level interfaces offer

What users complain about

Compare in seconds

Based on user comments

Best choice
1Premium
Rock-solid driver stabilityTotalMix FX routing powerClean, transparent sound and conversionApple Silicon dropout reportsCostly or unhelpful repairsTotalMix learning curve
Rock-solid driver stability
TotalMix FX routing power
Clean, transparent sound and conversion
Apple Silicon dropout reports
Costly or unhelpful repairs
TotalMix learning curve
2Premium
Rock-solid, long-supported driversClean, detailed sound qualityUltra-low latencySteep TotalMix learning curveHigh priceNo built-in DSP dynamics
Rock-solid, long-supported drivers
Clean, detailed sound quality
Ultra-low latency
Steep TotalMix learning curve
High price
No built-in DSP dynamics
3Premium
Exceptional driver stability and longevityExcellent sound quality and conversionTotalMix FX depth and flexibilityMissing onboard dynamics/EQTotalMix learning curveLimited instrument input headroom
Exceptional driver stability and longevity
Excellent sound quality and conversion
TotalMix FX depth and flexibility
Missing onboard dynamics/EQ
TotalMix learning curve
Limited instrument input headroom
4Mid
Powerful onboard DSP
Powerful onboard DSP
5Mid
Channel expansion flexibilityReliable RME driversBus-powered portabilityNot USB class compliantColorless digital soundDriver/static glitches reported
Channel expansion flexibility
Reliable RME drivers
Bus-powered portability
Not USB class compliant
Colorless digital sound
Driver/static glitches reported
6Mid
Bundled software and pluginsFlexible input optionsImpedance control (Z-Tone)High price relative to competitorsDriver issuesDynamic and gain range limitations
Bundled software and plugins
Flexible input options
Impedance control (Z-Tone)
High price relative to competitors
Driver issues
Dynamic and gain range limitations
7Premium
Converter and preamp clarityLong-term reliability and driver supportTotalMix FX routing powerRuns hotHigh price for the feature setTotalMix learning curve
Converter and preamp clarity
Long-term reliability and driver support
TotalMix FX routing power
Runs hot
High price for the feature set
TotalMix learning curve
8
Ultra-Low Thunderbolt LatencyExpandable, High-Quality I/OStrong Clocking and Dynamic RangeNaming Confusion With Newer 'Quantum' Models
Ultra-Low Thunderbolt Latency
Expandable, High-Quality I/O
Strong Clocking and Dynamic Range
Naming Confusion With Newer 'Quantum' Models
9Premium
Expandable I/OLong-Term User SatisfactionConverter QualityHardware Reliability IssuesHigh PriceMac-Centric Limitation
Expandable I/O
Long-Term User Satisfaction
Converter Quality
Hardware Reliability Issues
High Price
Mac-Centric Limitation
10Premium
Massive channel expansion via ADATRevives and pairs well with older gearExcellent, reliable driversUSB 2.0 bandwidth concernsLimited I/O per single unitNot USB class compliant
Massive channel expansion via ADAT
Revives and pairs well with older gear
Excellent, reliable drivers
USB 2.0 bandwidth concerns
Limited I/O per single unit
Not USB class compliant
Best valueYou are here
31Mid
Focusrite Scarlett 18i20
Preamp and sound qualityI/O flexibility and expandabilityValue for moneyDriver stability and clicks/popsBuild quality and defect reportsConfusing/obtuse control software
Focusrite Scarlett 18i20
Preamp and sound quality
I/O flexibility and expandability
Value for money
Driver stability and clicks/pops
Build quality and defect reports
Confusing/obtuse control software

Who wins on what

Ranked by what users actually praise

Overall Impression

The preamps and overall sound quality earn strong praise from long-term owners. Multiple users who've owned the 18i20 for years describe it as the best hardware in their studio, with clean, uncolored preamps that have enough gain for ribbon mics on amps and drums. One user directly compared it favorably against a much pricier Antelope interface for Windows driver support and surround output. Another appreciated the natural, non-harsh 'silence' and subtle warmth of the preamps, contrasting it with typical synthetic-sounding converters at this price point.

Driver and software issues are a recurring frustration for a subset of users. Several commenters report pops and clicks at low buffer settings even on capable PCs, and describe Focusrite's control software as obtuse or confusing compared to older Firewire units that ran flawlessly. One user needed phone support to resolve ADAT sync issues with an OctoPre, while another experienced a flawed firmware update that broke functionality entirely. These complaints suggest inconsistent driver stability across setups, despite generally responsive customer support in some cases.

Build quality and unit-to-unit reliability drew mixed reports from buyers. One long-term user reported plastic buttons cracking and falling off unused, plus a dead channel input after about a year, alongside unresolved S/PDIF problems and a bad firmware rollout. Separately, another buyer received a unit with static noise and phantom input activity on channels with nothing plugged in, requiring a store replacement. These reports contrast with many satisfied long-term owners, suggesting some quality-control variance between individual units.

Outdated / Not-accurate data?