Which is better, Fostex TH-900 or Sennheiser HD 660S?

Fostex TH-900 scores 8.8/10 and Sennheiser HD 660S scores 8.8/10 based on AI analysis. See the full comparison at Lunoo.

What are the key differences between Fostex TH-900 and Sennheiser HD 660S?

Compare Fostex TH-900 and Sennheiser HD 660S side by side on Lunoo to see detailed feature differences, AI scores, and expert analysis.

How are Fostex TH-900 and Sennheiser HD 660S scored?

Fostex TH-900 has an AI score of 8.8/10 and Sennheiser HD 660S has an AI score of 8.8/10. Scores are based on category fit, feature coverage, pricing signals, public reception, and recency.

Fostex TH-900 vs Sennheiser HD 660S 2026 — Compared

Fostex TH-900

Sennheiser HD 660S

RESULT Too Close to Call!

Fostex TH-900 and Sennheiser HD 660S are both rated at 8.8/10, making this an exceptionally close matchup. Each brings d...

Fostex TH-900

8.8 Very Good

Headphone Get Fostex TH-900 open_in_new

Sennheiser HD 660S

8.8 Very Good

Headphone Get Sennheiser HD 660S open_in_new

psychology AI Verdict

Fostex TH-900 and Sennheiser HD 660S are both rated at 8.8/10, making this an exceptionally close matchup. Each brings distinct strengths to the table that make a direct ranking difficult. A detailed AI-powered analysis is being prepared for this comparison.

balance Result: Too Close to Call

verified Confidence: Low

Get Fostex TH-900 arrow_forward Get Sennheiser HD 660S arrow_forward

description Overview

Fostex TH-900

Stunning Japanese lacquer finish and vibrant sound with deep, impactful bass. A standout closed-back option.

Sennheiser HD 660S

The Sennheiser HD 660S offers a remarkably open and natural soundstage, making it ideal for mixing and mastering where accurate stereo imaging is crucial. Its open-back design provides a more spacious listening experience compared to closed-back alternatives. While requiring a decent headphone amplifier to truly shine, the HD 660S delivers exceptional detail retrieval and a relatively flat frequen...