Fostex TH-500RP 2014 - Leather

Fostex TH500RP – Open-Back Planar Magnetic Headphones

​Up for sale is the legendary Fostex TH500RP orthodynamic headphones. Imported directly from Japan, these have been meticulously maintained and show almost no signs of wear. If you are looking for a pair that looks and feels like it just came out of the box, this is it. These headphones feature Fostex's signature Regular Phase (RP) diaphragm technology, refined specifically for this premium open-back design to deliver a rich, natural, and incredibly detailed soundstage.

​The build quality is world-class, featuring a lightweight yet durable aluminum and magnesium construction that ensures long-term comfort for extended listening sessions. Audiophiles and professional reviewers alike have praised the TH500RP for its unique "analog" warmth and smooth frequency response. InnerFidelity noted their "excellent sense of space," while Head-Fi enthusiasts often highlight the "buttery smooth mids" and "non-fatiguing highs" that make these a standout in the planar magnetic world.

​Whether you are a collector of fine Japanese audio gear or a producer seeking a reliable reference tool, the TH500RP offers a balanced and musical performance that is hard to find in modern equivalents. The imaging is precise, and the textures are rendered with a level of realism that truly honors the recording.

​Highlights & Specs:

​Condition: Excellent/Near-Mint (See photos)

​Driver Type: Regular Phase (RP) Planar Magnetic

​Design: Open-back for a wide, airy soundstage

​Materials: High-grade aluminum and magnesium housing

​Included: Original cable and packaging (if applicable)