Beyerdynamic Free Byrd vs Cleer Audio FLOW II – Key Differences & Best Choice (2026)

Charging case with QiÂ® charging function. High-quality materials and replaceable parts. Beyerdynamic sound with ANC and Transparency Mode. Extra-long battery life of typ. 11 hours on one single charge. 70 minutes Of listening time after charging for 10 minutes in-between. Resistant against splashing water and sweat according to IPX4 certification. Perfect fit and exceptional comfort ( 8 pairs of eartips in different sizes and materials included ). BluetoothÂ® 5.2, Alexa Built-in, Google Fast Pair and latest audio codecs QualcommÂ® aptXâ„¢ Adaptive & AAC. Outstanding microphones (3 each side) with QualcommÂ® dual 2-mic cVcTM for impressive speech intelligibility

Bluetooth 4.2 with AptX. Hi-Res Audio certified with supplied 3.5mm cable.3 Up-to 20 hours playback with noise cancelling enabled. A 10-minute quick charge provides 2 hours of playback. Google Assistant Voice Interface *Requires an Android Phone or Tablet. Powerful Best in-class hybrid noise cancelling leveraging custom filters and power DSP. Cleerâ€™s premium noise cancellation technology and exclusive patented 40mm Ironless Driversâ„¢. Innovative, Ironless Driver technology delivers bold and articulate playback via high-excursion with optimized control and exceptionally low distortion.

Key Differences

The driver size differs between the two (40 mm vs 10 mm), which can influence sound depth, bass response, and overall audio clarity. Battery life varies between the two (20 Hours vs 11 Hours), which affects how long you can use them on a single charge. There is a noticeable difference in weight (327 Gm vs 60 Gm), which may affect comfort during extended use. The frequency response differs (20 Hz - 40000 Hz vs 10 Hz - 22000 Hz), which can influence how well the headphones reproduce lows, mids, and highs. Overall, both headphones are feature-rich and cater to users looking for a combination of sound quality, comfort, and wireless convenience. Cleer Audio FLOW II uses Bluetooth 4.2 while Beyerdynamic Free Byrd supports Bluetooth 5.2, which can impact connectivity stability and efficiency. Impedance levels vary (NA vs 250 ohm), which can affect compatibility and audio output when used with different devices. Cleer Audio FLOW II and Beyerdynamic Free Byrd offer different noise cancellation capabilities (HNC vs Hybrid Active), which can impact how effectively they block external noise. If you're comparing Cleer Audio FLOW II and Beyerdynamic Free Byrd, both models offer a strong combination of sound performance, comfort, and modern wireless features.

Verdict: Both models are competitive, and your decision should be based on your usage needs and preferred features.

Top Differences

Battery Life: 20 Hours vs 11 Hours
Noise Cancelling: HNC vs Hybrid Active
Driver Size: 40 mm vs 10 mm
Bluetooth: 4.2 vs 5.2
Weight: 327 Gm vs 60 Gm

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Key Differences

Top Differences