Sennheiser HD 400 PRO Lightweight Dynamic Studio Headphones Angled Transducers
When working at home or in the studio, you need your mix to sound as it does when your listeners hear it. The HD 400 PRO open-back studio headphones provide a natural and accurate listening experience for fine tuning your signature sound. Its lightweight design and velour earpads provide the comfort you need during long sessions. In addition, open ear cups and angled transducers allow for a wide and transparent soundstage, making the HD 400 PRO a reliable companion for those who put quality and precision above all else.
Features : 

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

Specifications : 
Impedance 120 Ω
Frequency response 6 Hz to 38 kHz (-10 dB)
Sound pressure level (SPL) 110 dB (1 kHz / 1 V RMS) THD, total harmonic distortion < 0.05 % (1 kHz / 90 dB SPL)
Ear coupling circumaural
Jack plug 3.5 mm jack plug with 6.3 mm adapter
Weight 240 g
Storage temperature –55 °C to +70 °C (–67 °F to 158 °F)
Operating temperature –15 °C to +55 °C (5 °F to 131 °F)
Operating relative humidity ≤ 90 %
Accoustic principle dynamic, open
Ear pad material Velour
What's in the box : 
HD 400 PRO Studio Reference Headphone 3 m coiled cable with 3.5 mm jack plug 3.5 mm jack plug to 6.3 mm adapter 1.8 m straight cable Quick Guide Safety Guide


Echotone Music LLC is an experienced E-commerce Audio Visual Equipment dealer since 1998.  We take pride in selling Pro Audio gear for musicians, sound engineers, production companies and broadcast applications.   
Shipping --Pro packed & shipped  USPS, UPS or Freight Service. Contact us & pay for 2 day air upgrade on any unit. We are working hard to get your product ( built if needed), processed &  shipped. Processing times vary, 2-30  days
Returns/Refunds- If there is truly a manufacturing defect a return tag will be provided. Otherwise customer pays for return shipping. Returned items must be sealed/unopened to qualify for a full refund. Refunds are for the Item cost only. Gear returned with out all its original packaging, & accessories or shows signs of wear, is subject to an additional service fee. This item is now used and it would be unfair to resell to another customer as new. 
What products can not be returned? - Clearance items, Custom Builds, items identified as non-returnable, discontinued items, used or NOS items,  electronic software downloads, demo gear, computers, vacuum tubes, earbuds, harmonicas raw-frame speakers, drumheads, drumsticks, turntable cartridges, fog fluids