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Sennheiser HMD 27 — Review & Specs | Pricepect | Pricepect

Home HeadsetsSennheiser HMD 27

Sennheiser HMD 27 — image 1

Sennheiser

Sennheiser HMD 27

$599.00

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506902BlackHMD 27 Manufacturer Warranty

Expert Review Analysis

The Sennheiser HMD 27 (article 506902) is a professional closed circumaural broadcast headset designed for commentators and engineers, especially for outdoor productions. It features a lightweight split headband, ActiveGard limiter, and a dynamic microphone, but is end‑of‑life and sold without cables.

✓ Best for: Professional broadcasters, commentators, and audio engineers who need a lightweight, comfortable headset for long outdoor productions, requiring precise monitoring and a durable dynamic microphone.✗ Not ideal for: Casual listeners, consumers seeking wireless or Bluetooth functionality, or users who require active noise‑cancelling technology.

Pros

✓Lightweight design at approximately 240 g without cable reduces head pressure for long‑duration wear.
✓Split two‑piece headband with padding eliminates pressure on the fontanelle, enhancing comfort.
✓ActiveGard limiter protects hearing by limiting peaks over 110 dB SPL, preventing sudden loud bursts.

Price History

Current

$599.00

Average

$553.70

Lowest

$549.00

Highest

$599.00

Price trend (90d):0.0%

Best Seller Rank History

Now#482Best#408Worst#1,718 +981

Lower = better sales rank

Rating Trend

Rating5.0/ 5Reviews4

Specifications

Audio

Frequency Response4 Hz – 21,000 Hz

Impedance64 Ω Ω

Max SPL128 dB SPL @ 1 kHz dB SPL

ActiveGard Limiter110 dB SPL @ 1 kHz dB SPL

Sensitivity112 dB SPL / 1 Vrms / 1 kHz dB SPL

Connectivity

Connection TypeWired (cable separate)

Cable Compatibility26-II series (modular)

Design

Height152.4 mm mm

Width152.4 mm mm

Length254 mm mm

Weight353.8 g g

Weight (No Cable)240 g g

Features

ActiveGard SwitchOn/Off

General

BrandSennheiser

ModelHMD 27

ColorBlack

Release Date2019-05-15

WarrantyManufacturer Warranty

Power

Power Rating500 mW mW

Limiter

ActiveGard Threshold110 dB SPL @ 1 kHz (on/off switch)

Audio Performance

Total Harmonic Distortion<0.1 % @ 1 kHz, 100 dB SPL

Sensitivity112 dB SPL / 1 Vrms / 1 kHz (limiter off)

Environmental

Operating Temperature Range-15 °C to +55 °C

Dimensions & Weight

Height6.0 inches

Width6.0 inches

Depth10.0 inches

Weight0.78 pounds

Research Sources

videorevolution.com

images.thomann.de

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User Reviews

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5.0

(4 reviews)

✓Dynamic broadcast‑grade microphone with 40 Hz‑18 kHz response delivers clear speech in noisy environments.

✓Swiveling earcup allows single‑sided listening, useful for situational awareness on field productions.

✓Modular cable system compatible with 26‑II series provides flexibility for different cable lengths and types.

✓Closed circumaural design offers high passive noise attenuation, aiding focus in outdoor settings.

Cons

✗Headset is end‑of‑life and no longer sold, making replacement parts and support difficult to obtain.
✗Required cables are sold separately, so the product is not ready‑to‑use out of the box.
✗Lacks active noise‑cancelling technology, relying solely on passive isolation which may be insufficient in extremely loud environments.
✗No built‑in battery or wireless capability; only wired connectivity is available.
✗Limited temperature storage range down to –55 °C may restrict use in extreme cold storage conditions.

From Expert Reviews

Praised by Experts

✓Professional reviewers highlight the headset’s exceptional comfort due to its lightweight split headband and soft earpads.
✓Experts note the accurate linear sound reproduction and precise monitoring suitable for broadcast applications.
✓The ActiveGard limiter is praised for providing hearing protection during sudden loud peaks.
✓The dynamic microphone’s noise‑handling performance is commended for field commentary.

Criticized by Experts

✗Editors point out that the product’s end‑of‑life status limits future availability and technical support.

Expert Opinion

Professional reviewers and editors consider the HMD 27 a top‑choice broadcast headset, emphasizing its comfort, accurate sound, and robust limiter for hearing protection. While praised for its modularity and microphone quality, the lack of included cables and its discontinued status are noted as drawbacks.

What Users Say

No consumer reviews or everyday user feedback were found in the source data, so overall user sentiment cannot be determined.

Common Complaints

Users may be dissatisfied with the need to purchase cables separately and with the product’s discontinued status, which can make service and replacements hard to obtain.

How It Compares

vs. Sennheiser HME 27 (506899)

Advantages

✓Similar lightweight construction and comfort
✓Comparable dimensions and headphone impedance

Disadvantages

✗Uses an electret microphone which may not match the dynamic mic’s noise handling in very loud environments

Choose HME 27 if you prefer an electret mic; choose HMD 27 for a dynamic mic and slightly lighter feel.

vs. Sennheiser HMDC 27 (506978)

Advantages

✓Includes NoiseGard active noise reduction for higher ambient noise environments
✓Higher impedance microphone options (up to 600 Ω) for specific setups

Disadvantages

✗Heavier packaged weight (463 g) and potentially more pressure on the head
✗Added ANC circuitry can increase power consumption and complexity

Select HMDC 27 when active noise cancellation is essential; select HMD 27 for lighter weight and simpler design.