These are fairly compact over-ear headphones with Bluetooth connectivity. Active noise cancelling is a welcome feature, considering the budget price.
SpecsUpdate
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Pros
Pro Good passive noise isolation with active noise cancelling
The over-ear, closed back design allows for good sound isolation, minimizing sound leak while also minimizing the outside noise that can interfere with the music. This is further enhanced by active noise cancellation, which actively blocks out noise frequencies.
Pro Long listening sessions should not be a problem
From a full charge, these headphones can give you 12 hours of playback when listening to music via Bluetooth along with active noise cancelling on. Playback time can last up to around 15 hours with noise cancelling off.
Pro Feature rich for the price
The i9BT has a good combination of features that is difficult to find in its price range. It has a fun sound, a closed back design for good noise isolation and active noise cancelling.
Pro Active noise cancelling can be used on its own
You can turn on just active noise cancelling feature without the music, for when you just want to shut out outside noise.
Pro Powerful bass and bright highs
The i9BT has a V-shaped sound signature where the mids take a bit of a back seat in favor of the low and high frequencies. The bass is quite powerful so bass drum hits definitely have a lot of punch and depth. This is balanced out by highs that are very airy, bordering on harsh.
The powerful bass makes the i9BT great for bass heavy music like hip hop and dance. The overall V-shape sound however also makes these headphones a good pick for rock and pop genres.
Pro Feels very soft on the head
Along with the fairly thick and high quality memory foam used on the head band and ear cups, the cushions' surface features real leather. Not only does this combination feel really soft, but is also quite smooth on the skin.
Cons
Con Noise cancelling can introduce hiss
Some users hear hiss added to the music with active noise cancelling on. This can be distracting, especially if you are sensitive to these high frequencies.