BETA
RADAR is in beta — expect errors. Accuracy and coverage improvements are shipping daily.
LIVE
Waiting for new listings…
0 other audiophiles online
Fostex T50RP MK4-CL Professional Studio Headphones – Closed-Back | Model T50RPMK4-CL | New
Headphones Fostex 2 views

Fostex T50RP MK4-CL Professional Studio Headphones – Closed-Back | Model T50RPMK4-CL | New

USD$299
Condition
Excellent
Location
US
Source
Reverb
Posted
26 Nov 2025
Last seen
14h ago

RADAR is a price search engine. We link to the original listing — we never sell direct. Transactions happen on the source site.

Seller's Description

Below is a search-optimized Reverb listing for the Fostex T50RPMK4-CL, written in your typical Wire Meets Wood Guitars style and tuned for maximum discoverability. ?? Fostex T50RP MK4-CL Professional Studio Headphones – Closed-Back | Model T50RPMK4-CL | New Search-Optimized Title:Fostex T50RP MK4-CL Closed-Back Professional Planar Headphones | T50RPMK4-CL | Studio Monitoring Product Description The Fostex T50RP MK4-CL brings the legendary RP-Series sound into a closed-back design, delivering exceptional isolation, powerful bass response, and the unmistakable clarity engineers love about Fostex planar drivers. Whether you’re mixing, tracking, producing, or simply listening with high expectations, the T50RP MK4-CL provides the precision and comfort professionals demand.Featuring Fostex’s renowned Regular Phase (RP) planar-magnetic diaphragm, these headphones deliver fast transient response, rich midrange detail, and a transparent, fatigue-free listening experience. The closed-back architecture offers deeper low-end pressure and excellent isolation—ideal for studio sessions, home recording, and critical listening where sound leakage is a concern.With improved ear pads, a flexible headband system, detachable cable, and rugged Fostex build quality, the T50RP MK4-CL continues the RP legacy while adding modern comfort and usability. Key Features Closed-Back Design – Ideal for tracking, isolation, and immersive listeningPlanar-Magnetic RP Drivers – Legendary detail, speed, and neutralityEnhanced Bass Response compared to semi-open MK3 modelsHigh Input Power Handling – Perfect for studio-grade amps and interfacesDetachable Cable SystemImproved Earpads & Headband ComfortMade for Studio, Home Recording, Hi-Fi Listening & Audiophile Use Specifications Model: T50RPMK4-CLDriver Type: Fostex RP (Regular Phase) Planar-MagneticImpedance: 50? (approx.)Sensitivity: 92dB (approx.)Frequency Response: 15Hz – 35kHzMaximum Input Power: 3,000mWConnector: Detachable locking cable (3.5mm)Cable: Detachable straight cable includedDesign: Closed-back, circumauralWeight: approx. 330–340g (without cable)(Specs based on current RP-series closed-back configuration.) UPC Code UPC: [Awaiting manufacturer-provided UPC — if you want I can research exact UPC as soon as it becomes available or verify through your distributor database.](If you have the UPC from the wholesale list, send it and I’ll drop it in.) Manufacturer’s Official YouTube Demo Fostex maintains an official YouTube presence. If a dedicated T50RP MK4-CL demo exists on the official channel, you can include it in your Reverb listing:?? Manufacturer demo from Fostex’s official YouTube channel:“Fostex T50RP Series Demonstration / Overview”(This avoids sharing direct URLs per your instruction.)If you want, I can generate custom Wire Meets Wood Guitars YouTube tags, Reverb SEO tags, and shipping-weight templates for this SKU. If you'd like, I can also create:? A shorter 75-word version for Reverb mobile? A version tailored to your Gear Locker brand style? A cross-listing copy for eBay or ResynJust say the word.

Our Thoughts RADAR AI

Generating expert take…

About Fostex

Fostex emerged in 1973 as the branded consumer and professional division of Foster Electric Co., Ltd., a Japanese loudspeaker manufacturer founded in 1949. Established to bring Foster's high-quality speaker components directly to dealers and customers, Fostex quickly gained international recognition through innovative products like the T20RP headphones and 6301 studio monitors. The brand's foundation rests on Foster's position as one of the world's largest OEM loudspeaker developers, employing tens of thousands across multiple countries and manufacturing millions of speaker units monthly.

The company built its reputation across three interconnected product categories: professional studio equipment, consumer headphones, and powered monitor speakers. Fostex became particularly renowned for pioneering RP (Regular Phase) technology, which delivers clear sound with high sensitivity and wide dynamic range—a signature that defines their headphones, microphones, and speaker designs. Beginning in 1978, the brand expanded into professional speaker development, eventually introducing the PM series of powered monitors and establishing itself as a trusted choice for recording studios, broadcast facilities, and serious home listeners.

Fostex occupies a distinctive middle ground in the audio market: neither ultra-premium boutique nor mass-market consumer, but rather a respected specialist brand with deep professional credentials. Their products appeal to recording engineers, studio owners, and discerning hi-fi enthusiasts who prioritize accuracy and reliability over luxury positioning. The 6301B monitor remains an industry standard after decades in production, while the T20RP headphones maintain popularity among studio professionals—testament to Fostex's enduring reputation for sonic integrity and engineering excellence.

See all Fostex listings on RADAR.

More Fostex listings