At a glance
Sennheiser HD 300 in 4 facts
- Type: Over-ear headphones, wired
- Frequency response: 18 Hz to 20 Hz
- Impedance: 18 Ω
- Sensitivity: 123 dB
Datasheet
The numbers
- Wearing style
- Over-ear
- Design
- Closed-back
- Driver type
- Dynamic
- Driver configuration
- Dynamic Driver From the Amazon listing
- Frequency response
- 18 Hz to 20 Hz
- Impedance
- 18 Ω
- Sensitivity
- 123 dB From the Amazon listing
- Maximum SPL
- 118 dB
- Distortion (THD)
- 0.5 %
Connections
Connectivity & battery
- Connectivity
- Wired
- Wireless
- No From the Amazon listing
- Noise cancellation
- Passive Isolation only
- Cable
- Fixed From the Amazon listing
- Cable length
- 1.4 m 4.6 ft
Physical
Dimensions, weight, placement
- Foldable
- Yes Checked against the maker's own sheet, Sep 2026 Source
- Replaceable earpads
- Yes
- Width
- 2 in 51 mm
- Depth
- 6 in 152 mm
- Weight
- 400 g 14.1 oz
- Colors
- Black
Availability
Where to buy
We don't show live prices. This is our editorial price tier, last checked Mar 28, 2020. As an Amazon Associate, HiFi Specs earns from qualifying purchases. Our scores and reviews are never influenced by affiliate partners.