Koss PRO4S

Description

<h1 style="text-align: justify;">The <strong>Koss PRO4S</strong> are professional over-ear headphones designed for those who require accurate and linear listening in the studio. The proprietary <strong>SLX40</strong> driver ensures detailed reproduction across the entire spectrum, while the closed-back design provides good isolation in recording and monitoring contexts.</h1><h3 style="text-align: justify;"><strong>Key Features</strong></h3><p>•    Closed-back over-ear headphones for professional monitoring.<br>•    SLX40 drivers optimized for neutral and defined response.<br>•    Ergonomic D-Profile design for enhanced isolation and comfort.<br>•    Memory foam earcups with protein leather coating.<br>•    Detachable cable with dual entry and pass-through function.<br>•    Foldable structure with included hard case.</p><p>The ergonomic <strong>D-Profile</strong> follows the natural shape of the ear, improving fit and reducing fatigue during prolonged sessions. The memory foam earcups with protein leather coating and the padded headband contribute to consistent comfort even with intensive use. The detachable cable with dual entry allows for left or right connection and a pass-through output for connecting an additional pair of headphones. The foldable structure and included hard case make the PRO4S practical for transport as well.</p><h3><strong>Ideal Applications</strong></h3><p>Mixing, editing, audio production, broadcasting, and critical listening, the Koss PRO4S are designed for professionals and creators seeking sonic reliability and comfort in daily work sessions.</p><h2><u><strong>PRO4S Technical Specifications</strong></u></h2><p>•    Type: Dynamic closed-back, over-ear headphones<br>•    Frequency Response: 10 Hz – 25 kHz<br>•    Impedance: 35 Ω<br>•    Sensitivity: 99 dB SPL<br>•    Cable: Detachable with 3.5 mm jack + 6.3 mm adapter<br>•    Connections: Dual entry (L/R) with pass-through output<br>•    Included Accessories: Hard case, 6.3 mm jack adapter</p>