{"product_id":"sennheiser-506909","title":"Sennheiser Sennehsier 506909 HD 25 Professional Closed‑Back On‑Ear Monitoring Headphones","description":"\u003cp class=\"vmi-answer\"\u003e\u003cstrong\u003eSennehsier 506909 HD 25 Professional Closed‑Back On‑Ear Monitoring Headphones is a professional headphone from Sennheiser, built for monitoring rather than casual listening.\u003c\/strong\u003e\u003c\/p\u003e\u003cp class=\"vmi-hook\"\u003eMade to tell you what is actually on the recording.\u003c\/p\u003e\u003cul class=\"vmi-benefits\"\u003e\n\u003cli\u003eTuned for monitoring accuracy\u003c\/li\u003e\n\u003cli\u003eReplaceable parts for long service life\u003c\/li\u003e\n\u003cli\u003eBuilt for daily studio use\u003c\/li\u003e\n\u003cli\u003eSennheiser transducers\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat is the Sennehsier 506909 HD 25 Professional Closed‑Back On‑Ear Monitoring Headphones?\u003c\/h2\u003e\u003cp\u003eHD 25 headphones have earned legendary status among DJs, broadcasters, and audio professionals thanks to their rugged reliability, iconic design, and signature Sennheiser sound quality. With high SPL handling, excellent isolation, and a rotating capsule for single-ear monitoring, they remain the go-to choice in noisy environments—on stage, in the booth, or out in the field. Trusted for decades, HD 25 headphones remain the benchmark for isolation, reliability, and clear, punchy sound—no matter how loud your environment gets.\u003c\/p\u003e\u003ch3\u003eKey features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eProfessional closed‑back, on‑ear monitoring headphones engineered for DJ, broadcast, and field recording applications\u003c\/li\u003e\n\u003cli\u003eProvides excellent passive noise isolation, enabling accurate monitoring in loud and challenging environments\u003c\/li\u003e\n\u003cli\u003eCapable of handling very high sound pressure levels up to 120 dB, making them suitable for high‑volume use\u003c\/li\u003e\n\u003cli\u003eRotating ear cup supports convenient single‑ear monitoring for live performance and DJ workflows\u003c\/li\u003e\n\u003cli\u003eLightweight design with a secure clamping force ensures a stable and comfortable fit during extended sessions\u003c\/li\u003e\n\u003cli\u003eEquipped with dynamic transducers delivering clear, punchy audio with detailed midrange and high frequencies\u003c\/li\u003e\n\u003cli\u003eFeatures a detachable, single‑sided cable for easy replacement and long‑term durability\u003c\/li\u003e\n\u003cli\u003eWide frequency response from 16 Hz to 22 kHz for accurate sound reproduction across the spectrum\u003c\/li\u003e\n\u003cli\u003e70‑ohm nominal impedance optimized for professional monitoring setups\u003c\/li\u003e\n\u003cli\u003eBacked by a 2‑year Sennheiser manufacturer warranty for professional reliability\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eAt a Glance\u003c\/h3\u003e\u003ctable class=\"vmi-glance\"\u003e\u003ctbody\u003e\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eSennheiser\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\u003ch2\u003eAre these for mixing or for listening?\u003c\/h2\u003e\u003cp\u003eThey are monitoring headphones, tuned to be honest rather than flattering, which is what you want when making decisions.\u003c\/p\u003e\u003ch2\u003eCan worn parts be replaced?\u003c\/h2\u003e\u003cp\u003eSennheiser supports its professional headphones with replaceable ear pads and cables, which is a large part of why they stay in service for years.\u003c\/p\u003e\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\u003ch3\u003eAre these for mixing or for listening?\u003c\/h3\u003e\u003cp\u003eThey are monitoring headphones, tuned to be honest rather than flattering, which is what you want when making decisions.\u003c\/p\u003e\u003ch3\u003eCan worn parts be replaced?\u003c\/h3\u003e\u003cp\u003eSennheiser supports its professional headphones with replaceable ear pads and cables, which is a large part of why they stay in service for years.\u003c\/p\u003e\u003ch3\u003eIs this a genuine Sennheiser product?\u003c\/h3\u003e\u003cp\u003eYes. Victory Musical Instruments is a veteran owned dealer in Miami and every unit ships new in original Sennheiser packaging.\u003c\/p\u003e\u003ch3\u003eWhat warranty applies?\u003c\/h3\u003e\u003cp\u003eIt carries the Sennheiser manufacturer warranty. Call 844-687-4208 with any coverage question.\u003c\/p\u003e\u003ch2\u003eWhy Sennheiser\u003c\/h2\u003e\u003cp\u003eSennheiser has been building microphones and wireless systems in Germany since 1945. The reason their gear turns up on rental inventories and broadcast trucks is not marketing, it is that the units come back working and parts stay available for years.\u003c\/p\u003e\u003ch2\u003eWhy Victory Musical Instruments\u003c\/h2\u003e\u003cp\u003eVictory Musical Instruments is a veteran owned instrument and pro audio dealer in Miami, Florida. We are players first, so if you want to talk through whether this is the right piece for your setup before you buy, call 844-687-4208 and you will reach someone who uses this gear.\u003c\/p\u003e","brand":"Sennheiser","offers":[{"title":"Default Title","offer_id":44592926720051,"sku":"506909-U","price":149.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1768\/9095\/files\/506909-U.png?v=1784982717","url":"https:\/\/www.victorymusical.com\/products\/sennheiser-506909","provider":"Victory Musical Instruments","version":"1.0","type":"link"}