Sennheiser HD 300 PROtect headphones with limiter

active noise suppression	no
wireless	no
rotatable earpad	no
Sustainable product	not specified
Headphone weight	295g
headphone construction	closed
Ideal headphones for	studio
headphone impedance	50-74 ohms
In/on/over ear	over-ear
includes microphone	no
Design can be folded/dismantled	yes
adjustable bass boost	no

removable cable	yes
cable length	150-199 cm
colour	black
maximum frequency	25 - 26.9 kHz
Minimum frequency	5 - 9 Hz
Audio connector	jack 3.5 mm TRS, jack 6.3 mm TRS
Headphone design	modern
volume control	no
Complete	~
Original packaging	~
Condition of product	~

Sennheiser HD 300 PROtect headphones with limiter
Product no: 9000-0045-7623 Bax Music Warranty: This product comes with a 3-year warranty.

General

Sennheiser's HD 300 PROtect monitoring headphones are made for use in the studio and on stage. As their name suggests, they feature a built-in ActiveGard limiter to protect your ears from loud noise peaks. They're designed to effectively keep out ambient noise leaving you with nothing but accurate, distortion-free sound. They're also extremely comfortable to wear and are highly robust. In the event that any parts needs replacing after many years of heavy use, it's good to know that's possible.

Specifications

Product features

Active noise suppression	no
Wireless	no
Rotatable earpad	no
Sustainable product	not specified
Headphone weight	295g
Headphone construction	closed
Ideal headphones for	studio
Headphone impedance	50-74 ohms
In/on/over ear	over-ear
Includes microphone	no
Design can be folded/dismantled	yes
Adjustable bass boost	no
Removable cable	yes
Cable length	150-199 cm
Colour	black
Maximum frequency	25 - 26.9 kHz
Minimum frequency	5 - 9 Hz
Audio connector	jack 3.5 mm TRS, jack 6.3 mm TRS
Headphone design	modern
Volume control	no

Weight and dimensions including packaging

Weight (incl. packaging)	549 gr
Dimensions (incl. packaging)	25,5 x 20,0 x 9,0 cm

Product specifications

Sennheiser HD 300 PROtect
professional headphones
built-in ActiveGard limiter
headphone type: over ear, closed
frequency response: 6 Hz to 25 kHz
impedance: 64 Ohms
cable length: 155 cm
weight (without cable): 297 g

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lefrancois patrick October 9, 2025

Wrote the following about Sennheiser HD 300 PROtect headphones with limiter

heel goed geluid, maar mij oorschelpen zijn reeds stuk,, alle 2 na 6 maanden,,dus pro brol.

Maarten February 24, 2023

Wrote the following about Sennheiser HD 300 PROtect headphones with limiter

Een bijzonder goede studio koptelefoon. Een helder goed gebalanceerd geluid en uitstekend draagcomfort. Maar wat deze koptelefoon uniek en bijzonder maakt is de limiter, die maakt dat je niet opeens je oren overbelast. Juist in een studio loop je het risico dat een instrument opeens veel te hard staat, met als gevolg oorschade, iets wat je als muziek liefhebber en muziek professional niet wil hebben. Deze limiter voorkomt dat en begrenst het geluid op 110 dB, nog steeds veel, maar dit niveau veroorzaakt geen schade. Ik begrijp niet dat niet alle studio koptelefoons hiermee zijn uitgerust. Het zou standaard moeten zijn. Fijn in ieder gavel dat Sennheiser er een heeft :-)

Description	Type	Language	Extension
Sennheiser HD 300 PROtect specificaties	Manual	Unknown

New Headsets and Headphones by Sennheiser

Thursday 16 August 2018 By Richard | Bax Music

The new Sennheiser HMD 300 PRO and HMD 301 PRO broadcast headsets follow on from the HMD 280 PRO and HMD 281 PRO respectively. A new addition to both models is the ActiveGard limiter that protects your ears from loud noise peaks. The HMD 300 XQ-2 is another new model that comes with a cable included. Sennheiser's professional over-ear monitoring headphones have been given a facelift too with the HD 300 PRO and HD 300 PROtect taking over from the HD 380 PRO. As its name suggests, the PROtect version also features the ActiveGard limiter.