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Sennheiser HMD 301 PRO Single-Sided Broadcast Headset with Boom Microphone, No Cable

BH #SEHMD301PRO • MFR #HMD 301 PRO
Sennheiser HMD 301 PRO Single-Sided Broadcast Headset with Boom Microphone, No Cable
Key Features
  • Circumaural, Sound-Isolating Design
  • Dynamic, Hypercardioid Boom Microphone
  • Up to 32 dB Passive Noise Reduction
  • Switchable ActiveGard Hearing Protection
The single-sided Sennheiser HMD 301 PRO is a closed-back, circumaural communications headset offering detailed, linear response, and switchable ActiveGard hearing protection. It features comfortable construction with split-headband padding to remove pressure from sensitive areas of the head. While it does not come with a cable, the headset features a detachable cable design compatible with a wide variety of cable options to accommodate multiple pin-outs and configurations.
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Sennheiser HMD 301 PRO Overview

The single-sided Sennheiser HMD 301 PRO is a closed-back, circumaural communications headset offering detailed, linear response, and switchable ActiveGard hearing protection. It features comfortable construction with split-headband padding to remove pressure from sensitive areas of the head. While it does not come with a cable, the headset features a detachable cable design compatible with a wide variety of cable options to accommodate multiple pin-outs and configurations.

With a frequency response of 60 Hz to 25 kHz, the headphone provides clear reproduction of audio, doing so while offering up to 32 dB of passive noise reduction. The headset utilizes a dynamic boom microphone with a hypercardioid polar pattern for tighter pickup and a voice-optimized frequency range of 80 Hz to 16 kHz.

The headband supporting the unit's earcup is rugged, bendable, and twistable, and the boom can be worn on either side of the head. To preserve your hearing, the headset features a switchable noise-protection mode called ActiveGard that protects against sudden bursts of sound without interrupting the signal or inducing distortion.

Advantages of ActiveGard Technology
The incoming signal is compressed in one controlled operation
ActiveGard detects an excessive signal and reacts by initiating a compression process that occurs in just a few milliseconds faster than the human ear
Due to the compression method, there is virtually no distortion of the signal
In contrast to peak-clipping circuits, ActiveGard removes the dangerous energy from the signal by means of this compression technique
The more powerful the incoming signal, the more powerfully the system compresses
Unlike peak-clipping circuits, ActiveGard keeps the volume at a comfortable level, even if the incoming signal is a sound burst well in excess of the limit which is generally considered to be harmful to hearing
Key Features at a Glance
Switchable ActiveGard for protected hearing against noise peaks over 110 dB
Accurate, linear sound reproduction optimized for speech intelligibility
Dynamic hypercardioid microphone for clear communication, even in noisy environments
Comfortable padding design allows for extended use in long wearing sessions
Microphone can be worn on right or left side
Enhanced ambient noise attenuation in loud environments due to closed passive earcup construction
Modular cable design allows compatibility with 26-II Series cables
Foldable earcup design for space-saving storage
UPC: 615104272224

Sennheiser HMD 301 PRO Specs

Headphone
Earpiece DesignOver-Ear (Circumaural), Closed-Back
Earpiece Connection / Wearing StyleHeadband
Number of EarpiecesSingle Earpiece (Left or Right Side)
Sound FieldMono
Driver TypeDynamic
Impedance64 Ohms
Contact Pressure6.0 N
Performance
Frequency Response60 Hz to 25 kHz
Sensitivity108 dB SPL at 1 kHz / 1 Vrms
Maximum Sound Pressure Level (SPL)123 dB at 1 kHz
Volume Limiting110 dB
Noise AttenuationUp to 32 dB (Passive)
Total Harmonic Distortion (THD)0.1%
Microphone
TypeDynamic
Mic Boom LocationInterchangeable (Left or Right Side)
Pickup PatternHypercardioid
Frequency Response80 Hz to 16 kHz
Sensitivity108 dB at 1 kHz / 1 Vrms
Maximum SPL123 dB SPL
Wired Connectivity
Audio Connector to Source1 x Proprietary
Audio Connector to Earpiece1 x Proprietary
Environmental
Operating Temperature5 to 131°F / -15 to 55°C
Storage Temperature-67 to 158°F / -55 to 70°C
Physical
Weight8.5 oz / 242 g (without Cable)
Packaging Info
Package Weight0.92 lb
Box Dimensions (LxWxH)10 x 8 x 3.5"

Sennheiser HMD 301 PRO Reviews

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YOUR RECENTLY VIEWED ITEMS

Will this Mic perform PA duties at a sporting ...

Will this Mic perform PA duties at a sporting event ?
Asked by: Anonymous
Yes, but you would need the unterminated cable (B&H # SECABLEII6) available for separate purchase and you would have to solder on your own connectors. If you are looking for a headset that comes with the capability of connecting to the XLR mic input on a mixer and the 1/4'' headphone output on the same mixer, for connection to a PA system at a sporting event, the Sennheiser HMD 26-600-II-XQ comes with the connectors built onto the cable (B&H # SEHMD266IIXQ) and the Audio-Technica BPHS1 (B&H # AUBPHS1) is also a very popular option.
Answered by: David
Date published: 2021-02-12

Does the mic mute when you turn it straight up ...

Does the mic mute when you turn it straight up like on other comm headsets?
Asked by: Samuel
Yes, the microphone on the Sennheiser HMD 301 PRO-X4F Single-Sided Broadcast Headset can be muted when the boom is moved to an upright position.
Answered by: Lisa
Date published: 2022-11-15
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