Released May, 2003
The Pros:Feel comfortable on the ears, never get sore. Build quality is sturdy, overall feel is of durable construction. Clarity is extremely good, can pick out all the details easily.
The Cons:Ears get hot after awhile, not enough airflow. A bit heavier than the average pair of headphones.
The Koss PRO3AA is a full-sized stereophone designed to be comfortable while delivering professional quality. The stereophone features dynamic elements for an extended frequency response and a titanium coating on its diaphragms to provide reinforcement, reduce distortion, and improve sound performance.
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It is designed with closed leatherette ear cushions that coddle the ears, isolate external noise, and enhance bass as well as a steel and rubber headband with padding and adjustable slide bars for an adjustable fit. The PRO3AA has a heavy duty 8 ft cord with a 3.5 mm gold-plated plug and comes with a 6.3 mm gold-plated adapter. Compared to Koss' PRO4AA, the PRO3AA has a smaller frequency response range and lower impedance. It also has a straight cord with both 3.5mm and 6.3mm plugs while the PRO4AA has a coiled cord with only a 6.3mm plug.
- Dynamic driver element
- 2 mil. titanium coating on diaphragms
- 1" oxygen-free copper voice coils
- Closed leatherette ear cushions with foldable earcups
- Steel and rubber headband with padding and adjustable slide bars
- 3.5 mm gold-plated plug with 6.3mm gold-plated adapter
- Frequency response: 15 - 20,000 Hz
- Impedance: 60 ohms
- Sensitivity: 100 dB
- Cord Length: 8 ft Heavy Duty
- Lifetime warranty
User Reviews (2)
feel comfortable on the ears, never get sore
build quality is sturdy, overall feel is of durable construction
clarity is extremely good, can pick out all the details easily
lifetime warranty offers peace of mind that they'll last through anything
bass is deep, as loud as you want, and stays tight without distortion
don't leak sound, won't disturb people around you
ears get hot after awhile, not enough airflow
a bit heavier than the average pair of headphones
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