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Sennheiser 506908 HD 25 Plus Headphone - Wired Stereo - 70 Ohm - 16 Hz-22 kHz - Over-the-head - Supra-aural - Black - 9.8 ft Cable
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Product Features
Technical Overview
The HD 25 Plus features a wired connectivity system that ensures zero-latency audio transmission, critical for real-time monitoring and editing tasks. It uses a standard 3.5mm mini-phone connector, compatible with a wide range of audio sources including mixers, interfaces, smartphones, and portable players. The included 9.8-foot cable provides ample reach for flexible setup options in studio or mobile scenarios.
Audio performance is driven by high-resolution drivers capable of a sound pressure level of 120 dB, delivering powerful output without compromising clarity. The stereo sound mode creates an immersive listening experience with accurate channel separation, essential for mixing and mastering workflows. The lightweight construction, at approximately 4.94 ounces, enhances portability without sacrificing durability.
Relevant factors for this section include Connectivity Technology, Cable Length, Sound Mode, Earpiece Design. When those points are considered together, they give buyers a clearer picture of how the product is equipped, how it fits into deployment, and what kind of day-to-day role it is meant to support.
Key Product Advantages
The HD 25 Plus stands out with its combination of professional audio quality, rugged build, and user-centric design features. It is built to withstand the rigors of daily studio use while providing exceptional comfort and audio accuracy.
Durable and Serviceable Design
Key components like the cable and earpads are replaceable, extending the product's lifespan and reducing long-term ownership costs. The split headband design distributes pressure evenly, enhancing comfort during prolonged wear.
Enhanced Monitoring Flexibility
Rotating ear cups allow for one-ear monitoring, a crucial feature for DJs and sound engineers who need to hear both the source audio and the environment simultaneously.
Deployment / Use Cases
These headphones are primarily designed for professional audio applications where accuracy, durability, and comfort are paramount. They excel in studio environments for tracking, mixing, and mastering, providing the detailed audio representation needed for critical decisions.
Beyond the studio, the HD 25 Plus is also well-suited for field recording, broadcast monitoring, and mobile production due to its portable form factor and robust construction. DJs appreciate the single-ear monitoring capability and secure fit during live performances. For everyday high-fidelity listening, they deliver rich, immersive audio for music enthusiasts who value sound quality over wireless convenience.
Studio Production
Ideal for sound engineers and producers requiring precise audio monitoring across the full frequency spectrum for recording and post-production work.
Live Performance & DJing
The rotating cups and secure fit make these headphones a reliable choice for DJs and live sound technicians needing durable gear for on-stage use.
Physical Profile
The HD 25 Plus employs a supra-aural (on-ear) form factor, which balances acoustic isolation with comfort and portability. The over-the-head design ensures a stable fit, while the lightweight build minimizes head and neck strain during long sessions. The black finish offers a professional look that is resistant to showing wear. The single-sided cable exits from the left earcup, reducing clutter and improving mobility, and the cable length of 9.8 feet provides flexibility in various setup configurations.
- Weight
- 4.94 oz (140 g)
- Length
- 9.8 ft (3 m)
What's in the Box
The package includes everything needed for immediate use and long-term maintenance, ensuring you have spare parts and accessories to maximize the headphone's lifespan.
Highlights
- Professional wired stereo headphones with 70 Ohm impedance for high-quality audio output.
- Wide frequency response from 16 Hz to 22 kHz ensures detailed bass and clear highs.
- Over-the-head, supra-aural design provides a secure and comfortable fit for extended use.
- Single-sided 9.8 ft cable with 3.5mm connector reduces tangling and enhances mobility.
- Rotating ear cups enable flexible monitoring, ideal for DJs and sound engineers.
- Replaceable cable and earpads extend product life and reduce maintenance costs.
- Lightweight construction at 4.94 oz ensures portability without sacrificing durability.
- Includes additional accessories: pouch, spare earpads, extra cable, and 3.5mm to 6.3mm adapter.
Specifications
| Specifications | |
|---|---|
| Manufacturer | Sennheiser Electronic Corporation |
| Manufacturer Part Number | 506908 |
| Brand Name | Sennheiser |
| Product Line | HD 25 Plus |
| Product Name | HD 25 Plus Headphone |
| Packing | Box |
| Product Type | Headphone |
| Technical Information | |
| Connectivity Technology | Wired |
| Cable Length | 9.8 ft (3 m) |
| Sound Mode | Stereo |
| Impedance | 70 Ohm |
| Minimum Frequency Response | 16 Hz |
| Maximum Frequency Response | 22 kHz |
| Sound Pressure Level | 120 dB |
| Features | Lightweight,Replaceable Cable,Robust,Comfortable,Rotating Ear Cup,Split Headband,Single-sided Cable |
| Earpiece | |
| Earpiece Design | Over-the-head |
| Earpiece Type | Binaural |
| Interfaces/Ports | |
| Host Interface | Mini-phone (3.5mm) |
| Physical Characteristics | |
| Product Color | Black |
| Form Factor | Supra-aural |
| Weight (Approximate) | 4.94 oz (140 g) |
| Miscellaneous | |
| Package Contents | HD 25 Plus Headphone 1 x Pouch 1 x Additional Pair Of Soft Earpads 1 x Additional 1.5m Straight Cable 1 x Screw On Jack Adapter 3.5 To 6.3 mm |
| Application/Usage | Studio |
User Manual
FAQ
What is the impedance of the Sennheiser HD 25 Plus headphones?
The Sennheiser HD 25 Plus has an impedance of 70 Ohms. This mid-range impedance makes them suitable for use with a wide variety of audio sources, from professional studio equipment like audio interfaces and mixers to consumer devices such as smartphones and portable music players, providing good volume levels and sound quality without requiring excessive power.
Are these headphones wired or wireless?
The HD 25 Plus uses wired connectivity. This ensures zero latency audio transmission, which is critical for professional applications like studio monitoring, live sound, and DJing where timing accuracy is essential. The wired connection also provides uninterrupted audio without concerns about battery life or wireless interference.
What type of connector do these headphones use?
These headphones feature a standard 3.5mm mini-phone connector. This is compatible with most consumer audio devices, including smartphones, tablets, laptops, and portable music players. The package also includes a screw-on adapter to convert the 3.5mm plug to a 6.3mm (1/4-inch) jack, making it compatible with professional audio equipment like amplifiers and mixing consoles.
What is the cable length, and is it replaceable?
The included cable is 9.8 feet (3 meters) long, providing ample reach for flexible setup in studio or mobile environments. Yes, the cable is replaceable. This design feature extends the lifespan of the headphones, as you can easily swap out the cable if it becomes damaged or worn, reducing long-term ownership costs and minimizing downtime.
Are these headphones suitable for studio use?
Yes, the HD 25 Plus is specifically designed for studio applications. Its wide frequency response (16 Hz to 22 kHz) and accurate stereo imaging make it ideal for critical listening tasks such as mixing, mastering, and tracking. The durable build, comfortable fit for long sessions, and features like rotating ear cups for one-ear monitoring further enhance its suitability for professional audio work.
What accessories are included in the box?
The package includes the HD 25 Plus headphone, a protective pouch for storage and transport, an additional pair of soft earpads for replacement, an extra 1.5-meter straight cable, and a screw-on jack adapter to convert from 3.5mm to 6.3mm. These accessories ensure you have everything needed for immediate use and future maintenance, adding value and convenience.
| Qty | Price | Available |
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