Koss: Porta Pro Utility Headphones

📌LAB POINTS

• cult-classic headphones with dynamic sound, wide frequency range and deep bass
  
• ultra-lightweight, comfortable open-back design
• Koss Utility series features a detachable cord system, interchangeable w/ different cables for various output connections (sold separately, standard 3.5mm cable included)
  
• compact folding design
• soft foam ear cushions

🔎TECH SPECS

• Frequency Range: 15 - 25,000 Hz
• Impedance: 60 Ohms
• SPL: 101 dB
  
• Cable Length: 4 ft. / 1.2m
• Weight: 0.37 lbs / 167g

📦COMES WITH

• 3.5mm to 2.5mm Utility cord (4 ft / 1.2m)
  
• carrying case
• foam ear cushions