Presonus HD7 Dynamic Semi Open Over Ear Professional Monitoring Headphones Warm, clear sound with big bass. Whether you?re monitoring, tracking, mixing, or just listening for pleasure, you can expect impressive sonic performance from these professional-quality headphones. They deliver natural, warm, clear sound and take advantage of a patented, semi-open sound chamber to deliver exceptionally deep low frequencies. You?ll enjoy accurate midrange and extended treble response that let you pick out the fine details of a mix or track, along with balanced, yet powerful bass punch. Comfort matters. The lightweight HD7 automatically adjusts to any head size and features comfortable, durable ear pads. The straight, eight-foot cable drops down one side so it doesn?t get in your way. The result is a comfortable listening experience that you?ll continue to enjoy during long sessions. And the HD7 is built tough so you can rely on it wherever your travels take you. Features: High-resolution drivers Precision-tuned acoustic chamber Extended bass response Built tough to withstand abuse Auto-fit head pads Comfortable and long-lasting ear pads Single-side cable Optimized pressure Lightweight Specifications: Acoustic Design: Dynamic, semi-open Driver: 50 mm, neodymium Frequency Response: 10 Hz to 30 kHz Sensitivity: 98 dB SPL (1 mW) Maximum Power: 300 mW Rated Impedance: 32? Earpad: Leather Weight, without Cable: 7.8 oz (222g) Cable: 8' 2" (2.5m) straight, single-sided Plug Adapter: 1/8" to 1/4" (3.5 to 6.3 mm), screw-on, gold-plated, stereo mini-plug 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