Sennheiser HD 2.30i vs. Poly SupraPlus NC

Headphones Comparison, Reviews and Tests

Side by side comparison and review of Sennheiser HD 2.30i and Poly SupraPlus NC. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.

Headphones Specifications Comparison

Sennheiser HD 2.30i vs. Poly SupraPlus NC Comparison Chart
DESIGN AND DIMENSIONS Sennheiser HD 2.30i Poly SupraPlus NC
Product Type Headphones - wired - 3.5 mm jack Headset
Series HD 2 -
Weight 262 g -
Colour Black | White -
Earpad Material Leatherette -
Recommended Use Portable electronics -
SOUND QUALITY Sennheiser HD 2.30i Poly SupraPlus NC
Headphones Form Factor On-ear -
Ear Cups Type Closed -
Foldable Yes - Sennheiser HD 2.30i can be folded.
Connectivity Technology Wired -
Sound Output Mode Stereo -
Frequency Response 18 - 22000 Hz -
Total Harmonic Distortion (THD) 0.5% -
Sensitivity 115 dB/Vrms -
Impedance 22 Ohm -
Max Sound Pressure 115 dB -
In-Cord Volume Control Yes -
MICROPHONE Sennheiser HD 2.30i Poly SupraPlus NC
Type On-cable -
Microphone Operation Mode Mono, omni-directional -
REMOTE CONTROL Sennheiser HD 2.30i Poly SupraPlus NC
Controls Volume, answer/end, play/pause -
CABLE Sennheiser HD 2.30i Poly SupraPlus NC
Cable Type Headphones cable - 1.4 m -
Cable Length 1.4 m -
Detachable Cable Yes -
CONNECTIONS Sennheiser HD 2.30i Poly SupraPlus NC
Connector Type Headphones (mini-phone stereo 3.5 mm 4-pole) -
OTHERS Sennheiser HD 2.30i Poly SupraPlus NC
Included Accessories - Monitor receiver
Compatibility iPhone -
TAA Compliant - Yes
Service & Support Limited warranty - 2 years -
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