Forensic Comparison

Sony ZX Series Wired On-Ear Headphones VS Grado SR80x Prestige Series Headphones

REF #277
BB

Sony ZX Series Wired On-Ear Headphones

Cost Per Year
$12.98/yr
MSRP
$14.99
Horizon
2.00 Years
Waste Factor
0x Units Avoided
Full Audit
REF #282
AA

Grado SR80x Prestige Series Headphones

Cost Per Year
$13.55/yr
MSRP
$125
Horizon
20.00 Years
Waste Factor
0x Units Avoided
Full Audit

Financial Trajectory

Audit Winner
Grado SR80x Prestige Series Headphones
NPV Cost:$233
$0$58$116$174$233Yr 0Yr 10Yr 20Yr 30Yr 40Yr 50
Winner
Disposable Baseline
MetricSony ZX Series Wired On-Ear HeadphonesGrado SR80x Prestige Series Headphones
MSRP$14.99$125
20-Year TCO$193$202
Cost Per Year$12.98/yr$13.55/yr
Waste FactorStandardStandard

Failure Threat Matrix: Sony ZX Series Wired On-Ear Headphones

  • Cable shortage/fraying
    Risk: High
    Avoid wrapping cable tightly around headphones. Use gentle storage.
  • Ear pad disintegration
    Risk: High
    Replace pads when flaking begins ($10). Keep away from sweat/moisture.
  • Hinge plastic fracture
    Risk: Medium
    Fold gently; do not force the folding mechanism.

Failure Threat Matrix: Grado SR80x Prestige Series Headphones

  • Cable Breakage
    Risk: Medium
    Prevent cable twisting; requires soldering to repair. Improved braided cable on 'x' series reduces risk compared to older models.
  • Grattle (Driver Rattle)
    Risk: High
    Keep hair away from open drivers. Remove pads and use tape/compressed air to remove hair from driver face.
  • Rod Slider Looseness
    Risk: Low
    Squeeze the metal headband rods slightly to increase tension on the sliders.

Efficiency Verdict

Verdict: Tie. Both products offer similar financial efficiency. Since the savings delta is negligible ($0.57/yr), prioritize Warranty Terms and personal preference.