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Polk Audio UltraFit 500

by: Polk

The Polk Audio UltraFit 500 is an entry-level earphone designed for active, sports and exercise use. The earpiece is designed to sit in the flange of your outer ear, while provided earpiece loops ensure a stable, comfortable fit. The UltraFit 500 does not feature any in-line controls or a mic and offers only moderate noise suppression, so you're always aware of your ambient environment --  a big plus if street jogging or running. A short (14' inch) cable frees you to wear your iPod or MP3 player on a sleeve armband or shirt pocket for the utmost in tangle-free connections. Choose your color.

What We Think:
Polk Audio, one of the classic manufacturers of high-end room speakers, have taken their first step into headphone-land with their recent UltraFit line of sports headphones. The ergonomic fit of some exercise-specific headphones can sometimes be difficult and too often we find the earpieces won't stay correctly in the ears when actively exercising and jumping about. While the fit design of the UltraFit 500 doesn't technically fall too far outside of 'difficult', once you figure it out, they'll fit very securely and feel like they would stay perfectly in place through even the most aggressive of work-outs. The earpiece fit into the ear is fairly shallow which allows you to remain at least somewhat aware of your ambient environs when jogging city streets, for example. The overall fit ergonomics remain very stable due to the flexible ear loops securing the headphones to your noggin. Infamously, headphone cords brushing against clothing can cause sharp cable vibrations that get transferred to your ears as cord noise, also known as dreaded 'cord microphonics'. Thankfully, there are no issues with microphonics on the UltraFit 500 model because the flat ('planar') heavy-duty, tangle-resistant cable is not prone to transfer vibration artifacts -- always a critical 'make or break' trait for any exercise-oriented headphone.

The Polk UltraFit 500 headphones / earbuds comes with two lengths of detachable cord -- one measuring 14' inches and a longer 41' reach -- thus eliminating the nagging issue of too much cable when wearing mp3 players or an iPod / iPhone on an armband or shirt pocket. Overall, the reinforced cabling and cord joints on the UltraFit 500 seem nicely tough-built and moisture-resistant, a good thing for heavy-duty all-season outdoor activity. The booming 'Sports Headphone' category isn't necessarily renown for jaw dropping sonic fidelity, but with the UltrafIt 500 full bass response and somewhat set-back highs, the powerful tone will smooth the audio discrepancies of low-quality mp3 files and keep your tunes bumpin' right along with your heartbeat. Given the excellent build quality, strong durability, solid 2-year manufacturer's warranty, and extremely secure wearing ergonomics, the Polk UltraFit 500 remains a recommended choice for anyone looking for active-use in-ear headphones that will last through an entire hard workout, all-season run or a sweaty ball game without need for constant futzing and adjustment. The free 1-year manufacturer's warranty remains intact only with a receipt showing purchase from a verified/authorized Polk headphone dealer -- like us here at HeadRoom!


  • Driver Type: Dynamic
  • Impedance @ 1kHz: 16 ohms
  • Sensitivity: 108 dB SPL/V
  • THD+N:
  • Isolation: -6dB ~ -9dB
  • Connector Type: 3.5mm (1/8")
  • Cable Length: 5 ft.
  • Cable Style: Straight Y
  • Weight:
  • Manufacturer Warranty: 1 year

Product Features:

  • Amazingly stable earpieces stay perfectly in place even during active use
  • Moisture-resistant, highly durable sweat-proof design
  • Top headphone choice of marathon runners and pro athletes worldwide
  • Good 'sports category' sound quality at a great price!
  • Free 1-year Polk manufacturer's warranty
Whats In The Box:
  • Silicone StayFit eartips - S/M/L sizes
  • (1) Detachable 41" long extension audio cable
  • (1) Detachable 14" short extension audio cable
  • Polk earphone travel / storage case
  • Cord shirt clip