Sennheiser HD 25 PLUS – closed-back on-ear monitoring headphones; 70 Ω impedance; 16–22,000 Hz frequency response; max SPL 120 dB; THD <0.3% (1 kHz); approx. 140 g (without cable); detachable single-sided cables: coiled 1–3 m and straight 1.5 m; 3.5 mm plug with screw-on 6.3 mm adapter; includes pouch and an additional pair of soft earpads.
HD 25 PLUS is the enhanced package of Sennheiser’s industry-standard mobile monitoring headphone, adding a straight cable, spare earpads and a carry pouch. The lightweight supra-aural design with rotatable capsule supports single-ear cueing, while the high-sensitivity dynamic transducer handles very high sound pressure levels with low distortion.
The detachable, single-sided cabling simplifies use in the booth or on location. With a 70-ohm voice coil and robust headband mechanics, the HD 25 PLUS is built for daily professional work in ENG, DJ and live-sound applications.
KEY FEATURES
- Closed, supra-aural design with high attenuation for mobile monitoring
- High sensitivity from lightweight aluminum voice coils; handles high SPL
- Rotatable capsule for single-ear listening
- Detachable, single-sided cables: coiled (1–3 m) and straight (1.5 m)
- 3.5 mm plug with screw-on 6.3 mm adapter
- Includes pouch and an extra pair of soft earpads
- Serviceable construction with replaceable pads and cables
TECHNICAL SPECIFICATIONS
- Transducer principle: Dynamic, closed
- Ear coupling: On-ear (supra-aural)
- Frequency response: 16 – 22,000 Hz
- Impedance: 70 Ω
- Max. sound pressure level: 120 dB
- Total harmonic distortion (THD): < 0.3% @ 1 kHz
- Load rating: 200 mW
- Contact pressure: ≈ 2.5 N
- Cables/connectors: Coiled 1–3 m and straight 1.5 m; 3.5 mm TRS + screw-on 6.3 mm adapter
- Weight (without cable): ≈ 140 g
- In the box: HD 25 PLUS, coiled cable (1–3 m), straight cable (1.5 m), screw-on 3.5→6.3 mm adapter, pouch, additional pair of soft earpads, documentation
