The Differences Between The Various Sennheiser HD 25s

We wouldn’t be surprised if it’s one of the most frequently googled questions: “What are the differences between the various Sennheiser HD 25 headphones?” Sennheiser cleaned up the series a while ago, so it’s about time we put together a clear overview of the differences and similarities between the older and newer versions of this iconic range of headphones.

The HD-25 Light

The Old Version:

The Sennheiser HD 25 SP II:

Medium-size, closed headphones
65-Ohm impedance
30Hz to 16,000Hz frequency response
2-metre long steel cable
Straightforward headband
Cable attached to both ear cups

The New Version:

The Sennheiser HD-25 LIGHT Studio Headphones:

Closed headphones with on-ear design
60-Ohm impedance
30Hz to 16,000Hz frequency response
3-metre long straight cable
Cable attached to both ear cups
Included accessories: mini-jack to jack adapter

The differences:

Lighter construction
New drivers
Longer cable
Lower impedance

The HD-25

The Old Version:

The Sennheiser HD 25-I II Basic Edition:

Medium-size, closed headphones
70-Ohm impedance
16Hz to 22,000Hz frequency response
1.5-metre long cable
Exclusive accessories

The New Version:

The Sennheiser HD-25 Studio Headphones:

Closed on-ear headphones
70-Ohm impedance
16Hz to 22,000Hz frequency response
1.5-metre long straight cable
Cable attached to one ear cup only
Included accessories: mini-jack to jack adapter

The differences:

Sturdier headband design
Rotatable ear cups

The HD-25 Plus

The Old Versions:

The Sennheiser HD 25 II:

Medium-size, closed headphones
70-Ohm impedance
16Hz to 22,000Hz frequency response
2-metre long steel cable
Cable attached to one ear cup only

The Sennheiser HD 25-I II:

Medium-size, closed headphones
70-Ohm impedance
16Hz to 22,000Hz frequency response
1.5-metre long cable
Accessories included

The Sennheiser HD 25-C II:

Medium-size, closed headphones
70-Ohm impedance
16Hz to 22,000Hz frequency response
3-metre long coiled cable

The Sennheiser HD 25-13 II:

Medium-size, closed headphones
600-Ohm impedance
16Hz to 22,000Hz frequency response
3-metre long cable

The New Version:

The Sennheiser HD-25 PLUS Deluxe Studio Headphones

Medium-size, closed headphones
70-Ohm impedance
16Hz to 22,000Hz frequency response
1.5-metre long straight cable
Cable attached to one ear cup only
Included accessories:
- 1-metre long spiralled cable
- Storage pouch
- Spare set of ear cushions

The differences:

+ Sturdier headband design
+ Rotatable ear cups
+ Velours ear cushions
+ Spare spiralled cable
+ Handy storage pouch

With the introduction of the fresh versions of the HD 25 headphones, Sennheiser have thoughtfully simplified the series. If you have any questions about either the old models or one of the new ones, feel free to leave a comment below!