Sennheiser HD 300 PRO Monitoring Headphones

Sennheiser HD 300 PRO Monitoring Headphones



Order before 3pm Mon-Fri for Next Day Delivery

Looking for an ultra-comfortable set of monitoring headphones, with exceptional sound quality, for a great price? Then we have just the thing for you!

Professional-Grade Studio Cans

The Sennheiser HD 300 PRO Monitoring Headphones allow you to monitor your audio with both accuracy and clarity, from the deepest lows to the brightest highs.

Sennheiser HD 300 PRO Monitoring Headphone Highlights

  • Precise reproduction of every detail with a linear response for accurate monitoring
  • Phenomenal ambient noise attenuation lets you work without interruptions
  • 64 Ohm impedance ensures excellent synergy with a wide variety of playback devices
  • Ultra-comfortable lightweight design prevents fatigue during those long studio sessions
  • Outstanding long-term reliability thanks to rugged materials and a replaceable cable

Class-Leading Isolation

Thanks to their incredible design features, the HD 300 Pro headphones elimited up to 32dB of unwanted background noise, meaning you to monitor the mix in even loud environments.

These excellent headphones are based on the iconic HD 250 Linear from Sennheiser - a headphone set that's still highly regarded by audiophiles and pro sound engineers to this day.

Comfortable to Wear

With their padded ear cups, split headband, and a comfort zone for the temple, the Sennheiser HD300 Pro Monitoring Headphones offer incredible levels of comfort when worn.

This means that you can mix and master for hours on end with the minimal amount of listening fatigue.

Sennheiser HD 300 PRO Monitoring Headphone Specs

  • Drivers: Dynamic
  • Coupling: Circumaural
  • Frequency Range: 6Hz - 25kHz
  • Impedance: 64 Ohms
  • Sound Pressure Level: 123dB, Maximum at 1kHz
  • Sensitivity: 108dB, +-3dB (1V/1kHz)
  • Noise Isolation: <32dB
  • THD: <0.1 Percent at 1kHz, 94dB SPL
  • Contact Pressure: 6N
  • Cable Length: 1.55m
  • Colour: Black
  • Weight: 297g
More Information
Manufacturer Sennheiser
SKU 311889
Shipping Weight (kg) 3.000000
MPN 508288
Warranty 2 years
Cup Type over-ear


We know you want to get your gear as quickly and as safely as possible, Next Working Day Delivery to UK Mainland Addresses, on all IN STOCK items, if ordered before 3pm. This will include a text or email on the day of delivery giving you an exact hour window of when your gear will be with you.

Orders under £99: £4.99 Delivery Charge


Orders over £99: Free Next Day DPD Delivery (When Ordered before 3pm)


Weekend Delivery (Saturday-Sunday): £9.99 (When Ordered before 3pm Friday)


Heavy Items (over 40kg): £39.99 Pallet Service







Rather not wait in for the delivery? Don’t worry, we’ve got you…In Stock items can be ordered and paid for in-advance Online via our Click & Collect service. As long as if it's in stock at your chosen branch, you can collect the item within 2 hours*.



If you have bought something In-Store or Online and want to return it as unwanted, you have 30 days from when you receive the goods to contact our PMT experts either by phone or email to return your item.

We can offer you a refund if you return your item within 30 Days from purchase date and with 100% perfect packaging. 


Please Note - We cannot accept unwanted returns on microphones, any in-ear earphones or monitors, and any other items that touch your mouth, nose or inner ear if you have removed the hygienic packaging.