Sennheiser HD 25 Plus The Sennheiser HD 25 PLUS is a professional closed-back, on-ear headphone designed for DJs, sound engineers, and field recording applications. Known as the “industry standard” for monitoring, the HD 25 PLUS offers excellent ambient noise rejection, high maximum SPL handling, and lightweight comfort. The PLUS package includes extra accessories, making it more versatile and durable for professional use. Key Features Closed-back, supra-aural design ideal for monitoring in loud environments High sensitivity due to lightweight aluminium voice coils Capable of handling very high sound pressure levels (up to 120 dB SPL) Lightweight, rugged design – built for professional mobile use Split headband for secure, comfortable fit Rotatable capsule for single-ear listening Replaceable cables and earpads for extended product life Specifications Transducer principle: Dynamic, closed-back Ear coupling: Supra-aural (on-ear) Frequency response: 16 Hz – 22,000 Hz Impedance: 70 Ω Max SPL: ~120 dB Total harmonic distortion (THD): < 0.3% Contact pressure: ~2.5 N Weight (without cable): ~140 g Connector: 3.5 mm jack with screw-on 6.3 mm adapter Cable: Detachable, single-sided (straight & coiled provided)
