HMD 300 Pro
Sennheiser Descontinuado

HMD 300 Pro

Closed-back broadcast headset with a supercardioid dynamic boom microphone and switchable ActiveGard hearing protection. Aimed at broadcast and live-production staff who wear a headset for long sessions.

  • Closed-back dynamic headset with supercardioid boom mic
  • Switchable ActiveGard limits peaks above 110 dB SPL
  • Up to 32 dB passive noise attenuation
  • Mic can be worn on the left or right side
  • Modular cables, 26-II series compatible; cable not included
  • Weighs 506 g with foldable earcups
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Fotos

5

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Descrição

The HMD 300 PRO is a closed-back dynamic headset for broadcasting and live production. Viscoelastic earpads and padded headband spread the contact pressure, and the headband has a recess for the fontanelle area. The closed earcups give up to 32 dB of passive noise attenuation. The earcups fold for storage.

A supercardioid dynamic microphone handles speech and can be worn on either the left or right side. Its capsule is mounted flexibly and the coiled cable sits directly below the earcup, which reduces structure-borne noise. The headphone sound is tuned for linear, speech-oriented reproduction. ActiveGard can be switched on to limit peaks above 110 dB SPL, while maximum level with it off is 123 dB SPL at 1 kHz.

The headset ships without a connection cable. It follows Sennheiser's modular concept, so cables of the 26-II series fit, and several cable variants are listed as accessories. A wind and pop screen is included. A custom logo can be applied to the side on request through the maker's sales contacts.

Vídeo

Especificações

Marca
Sennheiser
Modelo
HMD 300 Pro
Categoria
Auscultadores

Audio

Transducer principle
Dynamic
Sensitivity
108 ±3 dB SPL / 1 V rms / 1 kHz
Impedance
64 ohms
Max. sound pressure level
123 dB SPL @ 1 kHz (ActiveGard off)
ActiveGard
110 dB SPL @ 1 kHz
Noise attenuation
Max 32 dB (passive)

Microphone

Microphone type
Dynamic, supercardioid
Output voltage
0.4 mV/Pa @ 1 kHz
Wearing side
Left or right

Power

Power consumption
500mW

Physical

Weight
506 g
Height
84 mm
Length
245 mm
Width
187 mm
Operating temperature
-15°C to +55°C
Earcup design
Closed, foldable

Connectivity

Cable system
Modular, 26-II series cables compatible

In the box

Headset
1 HMD 300 PRO
Wind and pop screen
1
Quick start guide
1
Connection cable
Not included, order separately

Dados: archive.org; fotografias: Sennheiser product page (Wayback copy) · atualizado em 2026-10-14 · Encontraste um erro? Escreve-nos