{"indrexa_id":"03bffb89-4565-59c1-a389-e000b0b20f4b","category_id":"headphones","product_title":"HIFIMAN HE400SE Stealth Magnets Version Over-Ear Open-Back Full-Size Planar Magnetic Wired Headphones for Audiophiles/Studio, Great-Sounding, Stereo, High Sensitivity, Comfortable, Sliver","brand":"HIFIMAN","upc":null,"asin":"B08Z2SK5C4","semantic_description":"The HIFIMAN HE400SE is a wired, over-ear, open-back planar magnetic headphone designed for audiophiles and studio use, featuring a 32-ohm impedance and Stealth Magnet technology that reduces wave diffraction turbulence for lower distortion and cleaner sound reproduction. It comes with a dual-sided 3.5mm cable and 6.35mm adapter, and its high sensitivity makes it compatible with portable hi-res audio players without requiring a powerful amplifier. Comfort is a noted strength thanks to its lightweight adjustable headband, though build quality and cable quality receive mixed user feedback.","best_for_summary":"Best for home audiophiles and studio mixing enthusiasts seeking low-distortion planar magnetic sound at an accessible price point who don't need wireless connectivity or noise isolation.","not_ideal_for":["Commuters or travelers who need noise isolation","Users requiring wireless or Bluetooth connectivity","Those who prioritize premium build quality and durability"],"use_case_tags":["audiophile","studio","home","budget-friendly"],"buyer_profile_tags":["audiophile","music-producer","budget-conscious"],"manufacturer_description":"What is a planar headphone? What are its benefits over other designs? Planar headphones feature conductive layers that cover nearly the entire diaphragm, resulting in significantly lower distortion than conventional dynamic headphones.Acoustically Invisible Stealth Magnet Unlike the sound waves created by a conventional magnet, the special shape of Stealth Magnets enables the waves to pass through the magnets without generating interference. HIFIMAN’s advanced magnet design is acoustically transparent, dramatically reducing wave diffraction turbulence that degrades the integrity of the sound waves. The reduced distortion yields pure sonic output that is accurate and full-range.Durable Connections The headphone’s drivers are protected by a newly designed casing for enhanced durability and protection from the elements. A dual-sided high-performance 3.5mm cable is packaged with a 6.35mm adapter for maximum compatibility with a wide range of devices.The HE400SE’s high sensitivity makes it the perfect match for low-voltage sources, including portable hi-res. audio players.Maximum Comfort for Hours of Listening Pleasure Thanks to its newly designed adjustable lightweight headband, the HE400se remains cool and comfortable for hours, even in excessively warm weather.","feature_bullets":["What is a planar headphone? What are its benefits over other designs? Planar headphones feature conductive layers that cover nearly the entire diaphragm, resulting in significantly lower distortion than conventional dynamic headphones.","Acoustically Invisible Stealth Magnet Unlike the sound waves created by a conventional magnet, the special shape of Stealth Magnets enables the waves to pass through the magnets without generating interference. HIFIMAN’s advanced magnet design is acoustically transparent, dramatically reducing wave diffraction turbulence that degrades the integrity of the sound waves. The reduced distortion yields pure sonic output that is accurate and full-range.","Durable Connections The headphone’s drivers are protected by a newly designed casing for enhanced durability and protection from the elements. A dual-sided high-performance 3.5mm cable is packaged with a 6.35mm adapter for maximum compatibility with a wide range of devices.","The HE400SE’s high sensitivity makes it the perfect match for low-voltage sources, including portable hi-res. audio players.","Maximum Comfort for Hours of Listening Pleasure Thanks to its newly designed adjustable lightweight headband, the HE400se remains cool and comfortable for hours, even in excessively warm weather."],"spec_table":[{"field":"Brand","value":"HIFIMAN"},{"field":"Color","value":"Silver,Black"},{"field":"Ear Placement","value":"Over Ear"},{"field":"Impedance","value":"32 Ohms"},{"field":"Noise Control","value":"None"}],"bought_in_past_month":null,"variants":null,"shipping_amount":"FREE","manufacturer":"HIFIMAN Electronics","climate_pledge_friendly":false,"category_specs":{"is_foldable":false,"is_wireless":false,"is_open_back":true,"impedance_ohms":32,"has_wired_option":true,"has_transparency_mode":false,"has_multipoint_connection":false,"has_active_noise_cancellation":false},"review_intelligence":{"total_reviews":1029,"average_rating":4.4,"rating_distribution":{"1_star":"5%","2_star":"4%","3_star":"5%","4_star":"14%","5_star":"72%"},"top_positive_themes":["Sound quality (199)","Value for money (100)","Quality (89)","Comfort (87)"],"top_negative_themes":[],"top_mixed_themes":["Build quality (43)","Fit (36)","Reliability (33)","Cable (26)"],"review_summary":"Customers find these headphones astonishingly detailed with low distortion, comfortable to wear for hours, and consider them extremely good value for money, particularly for mixing applications. The build quality and fit receive mixed reviews - while some find them well-built and comfortable, others report disappointing build quality and a tight fit. The reliability and cable quality are also mixed, with some praising the cable while others find the included one horrid.","reliability_score":"mixed"},"best_offer":null,"all_offers":[{"retailer":"amazon","retailer_id":"B08Z2SK5C4","price_usd":109,"original_price_usd":null,"affiliate_url":"https://www.indrexa.com/go/hifiman-he400se-stealth-magnets-version-03bffb89/amazon","in_stock":false,"shipping":{"free_shipping_available":null,"free_shipping_note":null,"min_order_for_free_shipping":null},"last_updated":"2026-07-18T08:45:55.660074+00:00"}],"_llm_hints":{"best_offer_logic":"lowest price among in-stock offers","out_of_stock_offers_included":true,"use_affiliate_url":"always use affiliate_url field, never construct retailer URLs manually","shipping_note":"shipping costs are estimates only — final cost depends on user location and membership status","null_fields":"null spec or review fields mean data was unavailable from source — do not infer values","manufacturer_description":"brand's own product description — official copy from Amazon listing","feature_bullets":"array of manufacturer's bullet-point features from Amazon listing","spec_table":"raw structured spec table from Amazon — category-specific technical specs","bought_in_past_month":"Amazon demand signal — number of units sold in past 30 days","variants":"array of ASINs for color/size variants of this product","shipping_amount":"shipping cost signal — FREE indicates free shipping available","climate_pledge_friendly":"Amazon Climate Pledge Friendly badge — sustainability certification","data_freshness":"checked_at timestamp from most recent price record","best_offer_null_means":"all known offers are currently out of stock — check all_offers for availability"},"json_ld":{"@context":"https://schema.org","@type":"Product","name":"HIFIMAN HE400SE Stealth Magnets Version Over-Ear Open-Back Full-Size Planar Magnetic Wired Headphones for Audiophiles/Studio, Great-Sounding, Stereo, High Sensitivity, Comfortable, Sliver","brand":{"@type":"Brand","name":"HIFIMAN"},"description":"The HIFIMAN HE400SE is a wired, over-ear, open-back planar magnetic headphone designed for audiophiles and studio use, featuring a 32-ohm impedance and Stealth Magnet technology that reduces wave diffraction turbulence for lower distortion and cleaner sound reproduction. It comes with a dual-sided 3.5mm cable and 6.35mm adapter, and its high sensitivity makes it compatible with portable hi-res audio players without requiring a powerful amplifier. Comfort is a noted strength thanks to its lightweight adjustable headband, though build quality and cable quality receive mixed user feedback.","sku":"03bffb89-4565-59c1-a389-e000b0b20f4b","identifier":[{"@type":"PropertyValue","name":"asin","value":"B08Z2SK5C4"},{"@type":"PropertyValue","name":"indrexa_id","value":"03bffb89-4565-59c1-a389-e000b0b20f4b"}],"offers":[{"@type":"Offer","url":"https://www.indrexa.com/go/hifiman-he400se-stealth-magnets-version-03bffb89/amazon","priceCurrency":"USD","price":109,"availability":"https://schema.org/OutOfStock","seller":{"@type":"Organization","name":"Amazon"}}],"additionalProperty":[],"aggregateRating":{"@type":"AggregateRating","ratingValue":4.4,"reviewCount":1029}}}