Puro Sound Labs PuroPro Headphones Review Volume Limiting Hybrid ANC

Thursday, November 03, 2022

Puro Sound Labs' new PuroPro headphones tick the "big 3" on most people's top list: comfort, good sound and noise cancellation. As well as all of the above, PuroPro has volume limiting for hearing protection, as well as comfy over-ear pads made of soft foam covered with PU leather.

The inner hole has a 2cm depth to the driver, which is covered with thick foam padding too. The inner hole dimensions are 5.5 cm high x 4cm wide, while the outer measures 10cm high x 8cm wide. The underside of the PuroPro headband is padded too with a generous piece of springy foam padding (firmer than the earpads), which helps alleviate hot spot on top of the head. The PuroPro headphones have a classic headphone construction with yokes to allow the earcups to tilt up and down. The folding/swivel hinge also allows the earcups to fold inwards and rotate flat so, you can comfortably carry them around the neck. 

The PuroPro headband has a clicky ratchet plastic slider reinforced with a metal band. On the right earcup, you find a volume/track skip button rocker, 3.5mm audio port, power button and ANC button. Buttons are plastic, raised and clicky. 
The buttons allow you to control media playback (play/pause, skip tracks (next/previous), volume (up/down), voice assistant, ANC and calls (answer/end/reject/re-dial). The ANC function can be turned on and off and adjusted between two levels (high and low) right from the earcup without the need of a mobile app. When turning on ANC, the bass response becomes elevated (boosted) but without distorting the audio.

The PuroPro headphones are equipped with 40mm drivers with low impedance (32 ohms) and high sensitivity (120dB) when using a standard non-limiter audio cable. When using the included limiter cable, the sensitivity gets capped to 85dB. Via bluetooth mode though, you can choose between 85dB or 95dB sensitivity mode by pressing the Vol + and Vol - at the same time for 3 seconds. In terms of audio performance, the sound quality is best when using a non-limiting cable - you get a punchier bass which is balanced with the vocals and instruments. At 85dB and 95dB, the bass isn't as present.

 There is one omnidirectional microphone on-board the PuroPro too for calls. The microphone sounds good and uses the ANC microphones to remove enough background noise during calls to make it adequate for important calls. The charging time of the PuroPro internal battery is 2 hours and can deliver about 27 hours of battery life with ANC ON and 50% volume - (31 hours with ANC OFF). When powering on the headphones, you will hear a voice prompt announcing the battery level. You will also hear a voice prompt when changing ANC level (ANC 1, ANC 2)

Potential deal breakers
  • ANC does not work in wired mode
  • No Transparency/ambient mode for listening to external sounds
  • PU leather earpads not as breathable as fabric. PU pads make ears sweaty
  • Plastic folding hinge
  • Micro USB charging port
  • Dated Bluetooth 5.0 chip
  • No mobile app support
  • No equalizer 
  • No reconfigurable button functions
  • You cannot listen to audio whilst charging the PuroPro headphones in bluetooth or wired mode
  • Bluetooth status led blinks when listening to audio
  • Earpads cannot be replaced
  • Weak ratchet slider
  • No quick charge support
  • A little pricey

Selling points for PuroPro
  • Adjustable volume limiting between 85dB and 95dB
  • Adjustable ANC on-board earcup (no software app needed)
  • Good battery life
  • Active noise cancellation cuts out a lot of background noise and people chatter, although not entirely
  • Weigh 290 grams
  • Clear microphone with noise cancellation for calls
  • External volume limiter built-in to the cable. This means, the PuroPro headphones can be used like a normal pair of headphones with a standard audio cable
  • Supports absolute bluetooth volume
  • Beep alert when reaching 100% volume
  • Bluetooth AAC support
  • Battery voice prompt announcement
  • Hardshell case for traveling
  • Multipoint dual connection
  • ANC doubles as bass booster
  • Wooden gift box packaging
  • Soft comfortable earpads
  • R/L markings
  • Tilting, swiveling earcups
  • Foldable
  • Thick, springy padded headband
  • They look like a pair of Bose headphones
  • Passive 3.5mm audio port - you can listen to audio in wired mode when the battery is flat/empty
The PuroPro headphones come packaged inside a travel hardshell case and a snazzy wooden box, along with a 1.2 meter limiter cable (male to male 3.5 mm) and USB charging cable. The wooden box has Puro Sound Labs branding laser etched on top of the lid, which has a clamshell opening via two metal butt hinges. The wooden box is lockable too via a single toggle latch sprung catch. The wooden box weighs 218 grams and measures 21cm long x 16cm wide x 10cm high (9cm internal height).
The hardshell case is perfect for transporting the headphones safely. It is made of EVA foam padding and has a clamshell hinge that opens the case in two halves. The hardshell case is also branded and has a standard coil zipper with metal slider pulltab and a short webbing loop that doubles as a lanyard. 
The hardshell case is lined internally with soft fabric material and features one mesh pocket for storing the cables. Dimensions of the case are 18cm long x 15cm wide x 6cm internal depth. The cables are unbranded but have a premium feel with rubber plugs. You can buy the PuroPro headphones from amazon. Check out the review of the PuroGamer , PuroQuiets headphones, BT22000 Plus and JuniorJams.

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