The dynamic drivers utilize a specialized polymer blend in its diaphragm as well as a high-powered magnet to drive the system. The damping system manages ventilation, which allows for deeper bass while mitigating the distortion that otherwise impacts clarity. The open earcups and angled transducers allow for a wide and transparent soundstage, recreating the optimal listening position found in high-end recording studios.

The lightweight HD 400 PRO sports velour earpads, which provide the ultimate comfort for long listening sessions. A single-ended, coiled cable with a 3.5mm plug provides you the freedom to operate. A straight cable and a 3.5mm to 1/4" adapter are also included.

• A professional's tool with neutral sound reproduction
• Lightweight design for all-day usage
• Single-sided, coiled cable allows the freedom to operate. For convenience, a straight cable is also included
• Angled transducers designed for low distortion at high SPLs provide a spacious and accurate soundstage

Headphone Earpiece DesignOver-Ear (Circumaural), Open-BackEarpiece Connection / Wearing StyleHeadbandFoldableNoDriver TypeDynamicImpedance120 OhmsActive Noise CancellationNo Performance Frequency Response6 Hz to 38 kHzResonant FrequencyNoneMaximum Sound Pressure Level (SPL)110 dB at 1 kHz / 1 VrmsTotal Harmonic Distortion (THD)0.05% Wired Connectivity Audio Connector to Source1 x 1/8" / 3.5 mm TRS Male StraightConnector PlatingGoldAdapter (Included)1/4" TRSCable DesignSingle-SidedAudio Connector to Earpiece1 x 1/8" / 3.5 mm MaleCable Length9.8' / 3 m (Coiled Cable)
5.9' / 1.8 m (Straight Cable)Cable ColorBlack Environmental Operating Temperature5 to 131°F / -15 to 55°CStorage Temperature-67 to 158°F / -55 to 70°COperating Humidity90% Physical ColorBlackWater ResistanceNoneWeight8.5 oz / 240 g (without Cable)