Koss UR40From real comments

Verdict distilled from 25 mentions across 11 aspects in comments under product review videos.

Positive sentiment60%
PROS 60%
CONS 40%

Rank based on 25 mentions across 11 aspects

View the verdict as

Buy this if...

  • You want a cheap, comfortable open-back headphone for home or gaming use
  • You're willing to swap pads or EQ to tame sibilance and improve fit
  • You like Koss's warm, bassy house sound and don't mind budget build materials

What users love

Skip this if...

  • You need a durable, long-lasting build without babying the plastic parts
  • You're sensitive to treble sibilance and don't want to EQ or mod
  • You need a portable, angled cable-friendly design rather than home use

What users complain about

Compare in seconds

Based on user comments

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1Premium
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Transparency Mode
Noise Cancellation
Sound Quality
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3Premium
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4Mid
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Exceptional durabilityBalanced, quality soundFully repairable/modularCable-to-driver cutout issuesStrong clamping forceUnconventional cable entry side
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Strong clamping force
Unconventional cable entry side
5Mid
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Exceptional comfort
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6Premium
Denon AH-D9200
Smooth, detailed treble and clarityStrong perceived value and end-game satisfactionTight, deep bassHigh price pointSibilant or fatiguing treble for sensitive earsTight fit for larger ears
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Smooth, detailed treble and clarity
Strong perceived value and end-game satisfaction
Tight, deep bass
High price point
Sibilant or fatiguing treble for sensitive ears
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7Premium
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Excellent Call and Mic QualityAll-Day ComfortIndustry-Leading Noise CancellationHigh Price PointInconsistent Call Clarity in Certain EnvironmentsBluetooth Pairing Problems
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Excellent Call and Mic Quality
All-Day Comfort
Industry-Leading Noise Cancellation
High Price Point
Inconsistent Call Clarity in Certain Environments
Bluetooth Pairing Problems
8Premium
Shure SRH1540
Neutral, accurate soundExceptional comfortGreat detail and resolutionPerceived as 'boring' by some listenersElevated mid-bass/sub-bass not fully neutralSound highly dependent on seal and source
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Neutral, accurate sound
Exceptional comfort
Great detail and resolution
Perceived as 'boring' by some listeners
Elevated mid-bass/sub-bass not fully neutral
Sound highly dependent on seal and source
9Budget
Philips SHP9500
Exceptional value for moneyOutstanding comfortDetailed, neutral sound signatureLight or rolled-off bassCheap-feeling build qualityPerceived treble grain/sibilance
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Exceptional value for money
Outstanding comfort
Detailed, neutral sound signature
Light or rolled-off bass
Cheap-feeling build quality
Perceived treble grain/sibilance
10Budget
Apple EarPods
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Excellent Sound Quality for Price
Comfortable for Extended Use
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Limited Noise Isolation
Build Quality Concerns
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You are here
31Budget
Koss UR40
Great value for the priceVery comfortable and lightweightWarm, bassy sound signatureSibilant, harsh trebleQuestionable build qualityShallow stock earpads
Koss UR40
Great value for the price
Very comfortable and lightweight
Warm, bassy sound signature
Sibilant, harsh treble
Questionable build quality
Shallow stock earpads

Who wins on what

Ranked by what users actually praise

Overall Impression

Sound quality impresses for the price but comes with a sibilant edge. Multiple commenters describe the UR40 as warm and bassy with a realistic, open soundstage, good for gaming and general listening, sounding like it should cost more than it does. However, others call out a harsh, sibilant treble, ranking it the least refined of Koss's 60 ohm lineup. A simple mod removing the plastic driver cover is reported to reduce sibilance and increase detail significantly, while EQ is frequently recommended to unlock its full potential.

Comfort and light weight are consistently praised. Several users call the UR40 superbly comfortable and surprisingly light, with one keeping a pair for ten years and calling them very sturdy and comfortable, and another using them as a go-to for laptop gaming at work. First-time open-back buyers were impressed enough to pass them on to family members who also loved them. This comfort makes them appealing for long home listening or work sessions despite budget materials.

Build quality and stock accessories are the weak points. Commenters report loose driver connections, breakage after modding attempts, and generally poorer build quality compared to PortaPro. The stock earpads are called too shallow, prompting owners to buy replacement or aftermarket pads like Yaxi or Shure 1540 for better comfort and sound. The right-angle cable is also criticized as an odd, awkward choice for a headphone intended mainly for home use rather than portable use.

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