Koss PRO4AA – The Legendary Professional Studio Headphones
Since 1970, the Koss PRO4AA has set the standard for full-size professional headphones. As the first dynamic headphones to deliver true full frequency and high fidelity performance with impressive noise isolation, they remain a favorite among studio engineers and audiophiles. Now available at just $55.25 (compare at $114.99), you save over 50% on this iconic pair.
Specifications
- Brand: Koss
- Model: PRO4AA
- Product Type: Over-Ear Professional Headphones
- Driver: Dynamic, high-impedance (250 ohm)
- Frequency Response: 10Hz–20kHz
- Impedance: 250 ohms
- Noise Isolation: Sealed earcups
- Compatibility: Studio equipment, audio interfaces, amplifiers, portable devices (with sufficient power)
- Replaceable Parts: Ear cushions (see PRO4AAT), headband padding
Materials and Build
Featuring a rugged, professional-grade construction with steel headband and high-density ear cushions, built to withstand the rigors of studio use.
Functions and Use Cases
Designed for studio monitoring, critical listening, and mixing. Their high impedance and accurate sound signature make them ideal for use with headphone amplifiers and mixing consoles.
Amplifier Requirements
Due to their 250 ohm impedance, the PRO4AA performs best with a dedicated headphone amplifier or audio interface. While they can be used with portable devices, you'll get better volume and dynamics with an amp.
Selection Criteria
If you're a professional or serious enthusiast looking for authentic, high-fidelity sound with excellent isolation, the PRO4AA is a proven choice.
Product Differences & Comparisons
The PRO4AA is a classic studio staple, often compared to modern studio headphones. Its high impedance sets it apart, requiring more power but offering exceptional detail.
Price Value and Deal Value
At $55.25, that's a 52% discount from $114.99. Use coupon TRAILS10 for an extra 10% off! Free shipping on orders over $45 – get this legendary headphone for less.
