Beyerdynamic DT 770 Pro 250 Ohm

Pros

• +Passive closed-back isolation eliminates ANC artifacts and electronic overhead
• +Studio-grade neutrality for extended session listening without listener fatigue
• +Zero wireless overhead — no battery, Bluetooth, or firmware to manage
• +Fully replaceable parts with documented 10+ year ownership records
• +Lowest price of any pick in the deep-work lineup at $179.99

Cons

• −250-ohm impedance requires desktop DAC/amp — not reliably laptop-direct
• −No built-in microphone — requires separate USB mic for any call use
• −Velour earpads can warm slightly during multi-hour single sessions
• −Coiled cable length limits desk mobility beyond arm's reach