Guides for buying, testing, and understanding headphones.
The blog focuses on evergreen topics that connect directly to the listening tools on Audio Test: what to check before buying, what the specs mean, and how to troubleshoot common failures.
How to check headphones before buying
A practical routine for trying a new pair in five minutes.
What 20 Hz to 20 kHz really means
Why the number on the box does not describe the full sound.
What impedance means for headphones
How ohms affect source pairing, volume, and hiss.
Wired vs wireless headphones
Comfort, latency, reliability, and convenience tradeoffs.
How ANC works
Why active noise cancellation helps in some places more than others.
What spatial audio changes
Processing, head tracking, and when it actually improves immersion.
Bone conduction basics
Where open-ear designs shine and where they fall short.
Bluetooth codecs explained
aptX, LDAC, AAC, and SBC in plain language.
Why one channel can stop working
Common failure points and the fastest tests to try first.
How to improve sound quality
Practical wins before you spend money on new gear.