The a-Jays One headphones are the entry-level earphones in Jays' line-up, and they offer plenty of value for money.
The a-Jays One earphones sound great, have an easy-to-manage cord and they are supplied with five pairs of different-sized sleeves to make sure they fit into your ears.
The headphones look like a standard pair of earphones, except for the use of a flat cable rather than a thin and easy to tangle wire. They also have an affordable price tag: £24. But don't let that fool you; when it comes to sound quality, the modest little a-Jays pack the punch of a more expensive pair of headphones.
The a-Jays One are designed to plug in to your ear canals and much like the t-Jays One headphones, you need to make sure that you use the correct sleeve size for your ears, otherwise they might feel uncomfortable. Once firmly fitted in your ear canals, crystal clear notes from your music will flood your brain. The sleeves block out a lot of external noise and they also reduce audio leakage, so that your music can't be heard by those around you.
Housed within each earphone is an 8.6mm speaker with a frequency response of 20Hz-18KHz. They offer the same amount of power as the a-Jays Three headphones, although the high frequency response isn't as good (the a-Jays Three have a high frequency response of 22Khz). Regardless, in our tests the treble was spot on. Mid-tones were rich and clear and the bass didn’t overpower the mid- and high-range frequencies. At high volumes there was little to no distortion.
If you want deeper bass, however, then the more advanced Jays t-JAYS One headphones are a better proposition as they have a low frequency response down to 18Hz, but you will have to spend double the money.
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See also: Jays a-Jays Three review