Bosshifi B8

The Bosshifi B8 (also branded as Kinden B8 or Sivga SV006) is a Chinese headphone usually found on Aliexpress and other Asian e-commerce plateforms. It’s a closed-back but isolation is only decent.

One particularity of the B8 is the supposed beryllium diaphragm (found for example in the Focal Utopia) ; is it just a marketing liar or the reality ? Comfort is not superb – pads are small and headband hurts my head after 30 minutes. The build is pretty nice for the price ; wood cups (not fake), headband yokes feel solid, pads aren’t cheap quality pleather, removable short cable.

○ Release : 2015
○ Current status : In Production
○ Type : Over-ear / Closed-back
○ Measured weight : 340g
○ Impedance : 16 Ohms
○ Sensitivity : ~103 db/mW
○ Average used price : $40-50

Sound Impression
Tonal balance seems V-shaped, but without overpowering bass. Bass notes have good extension and tightness. I hear a low-mids dip and this is not something I like on any headphones I’ve heard with a similar dip.

Midrange sounds a bit distant until 4khz where some energy spurts out quite noticeably. I’m sensitive to that region. Rest of the treble is ok ; a peak around 9-10khz and decent extension. Better than something like the Momentum 2.

Technicalities are good for the price. Intimate soundstage but the Bosshifi doesn’t sound super closed-in. Interesting transients combined with the correct treble makes it sound a bit sharp sometimes.

I would take them over the Sennheiser Momentum 2, but still prefer the Creative Aurvana Live (for a sub-$100 closed-back choice). The AKG K361 / K371 are far better options in the $100-150 price range, with more efficient isolation and balanced tunings.

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