Sennheiser HD 2.30i (HD 2.0) vs. OneOdio A30

Headphones Comparison, Reviews and Tests

In depth comparison and review of Sennheiser HD 2.30i (HD 2.0) and OneOdio A30. Compare design, audio features, functions and other important specifications to easily choose the right headphones for you. Our goal is to help you uncover differences between the products and find the headphones that will best fit your needs.

Headphones Specifications Comparison

Sennheiser HD 2.30i (HD 2.0) vs. OneOdio A30 Comparison Chart
DESIGN AND DIMENSIONS Sennheiser HD 2.30i (HD 2.0) OneOdio A30
Product Type Headphones - wired - 3.5 mm jack Headphones - Bluetooth - wireless
Series HD 2.0 -
Colour Black -
Recommended Use Portable electronics Portable electronics
SOUND QUALITY Sennheiser HD 2.30i (HD 2.0) OneOdio A30
Headphones Form Factor Full size Full size
Headphones Technology Dynamic -
Ear Cups Type Closed -
Adjustable Headband - Yes
Foldable - Yes OneOdio A30 can be folded.
Connectivity Technology Wired Wireless
Wireless Technology - Bluetooth
Bluetooth Version - Bluetooth 5.0
Active Noise Cancelling - Yes OneOdio A30 are equipped with active noice cancellation.
Sound Output Mode Stereo Stereo
Frequency Response 18 - 22000 Hz -
Total Harmonic Distortion (THD) 0.5% -
Sensitivity 120 dB -
Impedance 22 Ohm -
Diaphragm - 40 mm
MICROPHONE Sennheiser HD 2.30i (HD 2.0) OneOdio A30
Form Factor - Built-in
Noise Cancelling - Yes OneOdio A30 microphone can cancel out ambient noise.
Noise Cancelling Technology - cVc 8.0 (clear Voice capture) by Qualcomm
REMOTE CONTROL Sennheiser HD 2.30i (HD 2.0) OneOdio A30
Controls - Volume, on/off, next/previous track, ANC on/off
CABLE Sennheiser HD 2.30i (HD 2.0) OneOdio A30
Cable Type Headphones cable - 1.4 m -
Cable Length 1.4 m -
BATTERY AND CHARGING Sennheiser HD 2.30i (HD 2.0) OneOdio A30
Battery Type - Headphone battery rechargeable
Battery Capacity - 500 mAh
Battery Life - 50 hour(s)
Battery Life Details - (noise cancelling ON): up to 50 hours
(noise cancelling OFF / Bluetooth): up to 30 hours
(noise cancelling ON / Bluetooth): up to 20 hours
Charging Time - 2.5 hours
CONNECTIONS Sennheiser HD 2.30i (HD 2.0) OneOdio A30
Connector Type Headphones (mini-phone stereo 3.5 mm 4-pole) Audio line-in (mini-phone stereo 3.5 mm)
OTHERS Sennheiser HD 2.30i (HD 2.0) OneOdio A30
Included Accessories Carrying pouch -
Compatibility iPhone, iPad, iPod -
Service & Support Limited warranty - 2 years -
Other projects: