Cleer Flow II Bluetooth ANC headphone review: Exceptional sound quality and excellent noise cancelling

    Cleer Audio is a relative newcomer within the headphone market. It was based in 2012 with a concentrate on DJ headphones, however that focus modified to shopper merchandise in 2016. Since then, the corporate has wasted no time; it now presents 4 in-ear and 4 over-ear fashions with extra on the way in which.

    The Flow II is one among Cleer’s newest fashions. It’s a wi-fi Bluetooth headphone with lively noise cancellation (ANC) and compatibility with Google Assistant voice management. Most importantly, the general sound high quality is outstanding.

    This overview is a part of TechHive’s protection of the best headphones, the place you’ll discover opinions of competing merchandise, plus a purchaser’s information to the options you need to contemplate when buying.


    The Flow II is an over-ear, closed-back headphone with softly padded earcups and headband. The ovoid earcups are considerably smaller than most over-ear headphones I’ve tried, making them a bit fiddly to seat correctly. It weighs a mere 11.5 ounces, which is lighter than many such headphones, but its construct high quality appears fairly substantial.

    Cleer, Inc.

    Cleer says its Ironless Driver design makes use of rings of rare-earth magnets with no iron to enhance the main focus of the magnetic subject, permitting extra voice-coil tour with decrease distortion. The 40mm magnesium diaphragm with polyurethane encompass presents low mass, excessive rigidity, and excessive inside damping.

    Each driver employs a full-range 40mm magnesium diaphragm with polyurethane encompass, leading to low mass, excessive rigidity, and excessive inside damping. The magnet construction makes use of no iron; as an alternative, it’s comprised of 20 rare-earth magnets in a hoop construction. Cleer calls this Ironless Driver Technology, which is alleged to enhance the main focus of the magnetic subject, permitting extra voice-coil tour with decrease distortion. Specifically, Cleer claims the THD (whole harmonic distortion) at 100dB SPL is lower than half that of a standard magnetic driver throughout all the audio spectrum and as much as six occasions much less within the upper-midrange area.

    The specified frequency response extends from 20Hz to 40kHz utilizing a wired connection, garnering Hi-Res Audio certification in that case. With Bluetooth, the frequency response is specified from 20Hz to 20kHz. No tolerance is given in both case.

    Speaking of Bluetooth, the Flow II implements model 4.2 with the A2DP 1.3.1, AVRCP 1.6, HFP 1.6, and SPP 1.0 profiles. The supported audio codecs embrace AAC, aptX, aptX HD, and LDAC. You can pair the headphone with the supply gadget within the normal method, or—if the gadget helps NFC (Near-Field Communication) pairing—you’ll be able to merely maintain it close to the appropriate earcup and they’re going to pair mechanically.

    Cleer touts its “hybrid” noise cancellation, which mixes passive isolation with lively noise cancelling (ANC) for as much as 30dB attenuation of wideband ambient noise. The Flow II powers up with ANC on, however in fact, you’ll be able to flip it off, which prompts Ambient Mode that allows you to hears sounds round you. In this mode, the exterior microphones choose up ambient sound, which is performed within the headphones together with the music you’re listening to.

    The solely factor I want for here’s a third choice that disengages ANC however doesn’t activate the exterior microphone. That manner, you would nonetheless have passive isolation and lengthen the battery life.

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