{"indrexa_id":"6ab07211-bc47-5a48-a077-dfd3cd4fce1e","category_id":"headphones","product_title":"M-AUDIO HDH40 - Over Ear Studio Headphones with Closed Back Design, Flexible Headband and 2.7m Cable for Studio Monitoring, Podcasting and Recording","brand":"M-AUDIO","upc":"694318025840 069431802584","asin":"B09S3VWMX6","semantic_description":"The M-Audio HDH40 is a wired, closed-back over-ear headphone priced at $39, featuring a 40mm neodymium dynamic driver, 32-ohm impedance, and 95dB sensitivity, making it broadly compatible with smartphones, tablets, and pro audio gear via its included 2.7m cable and 1/4-inch adapter. It is designed for studio monitoring, podcasting, and general listening, with a rotatable frame, telescopic stainless steel arms, and leather ear cushions for extended wear. Some users report heavy bass rather than a flat monitoring response, and durability concerns have been noted after prolonged use, which prospective buyers should consider.","best_for_summary":"Best for budget-conscious hobbyists, podcasters, and entry-level home studio users who need a wired, closed-back headphone compatible with both consumer devices and pro audio equipment without exceeding $40.","not_ideal_for":["Users seeking a flat, accurate monitoring response (bass-heavy tuning reported)","Anyone needing wireless or Bluetooth connectivity","Professional studio engineers requiring long-term durability under heavy daily use"],"use_case_tags":["studio","podcast","home","budget-friendly","calls"],"buyer_profile_tags":["music-producer","budget-conscious","casual-listener"],"manufacturer_description":"Professional recording demands uncompromised accuracy when it comes to monitoring. M-AUDIO’s HDH40 headphones combine premium transducer elements with a durable, rugged design to deliver superb sound reproduction and the outstanding acoustic isolation required in professional recording and monitoring environments. With the HDH40, you can concentrate on what’s important-your production.","feature_bullets":["40mm neodymium dynamic magnet driver delivers high quality sound perfect for studio monitoring, podcasting and private listening","180-degree rotatable frame, stainless steel telescopic arms with scale, leather cushioning and flexible headband for a perfect fit and hours of comfortable listening","Impedance of 32ohm and 95dB sensitivity ensures compatibility with the widest range of equipment","2.7m long fixed cable ensures a secure connection; connect tablets and smartphones, or use 1/4\" adapter to connect to pro audio equipment such as mixers, audio interfaces and digital pianos","Perfect for listening to music, movies, audio books, podcasts, studio recording and monitoring; Compatible with Iphone, Android, Playstation and more"],"spec_table":[{"field":"Brand","value":"M-AUDIO"},{"field":"Color","value":"Black"},{"field":"Ear Placement","value":"Over Ear"},{"field":"Form Factor","value":"Over Ear"},{"field":"Impedance","value":"32 Ohms"}],"bought_in_past_month":"100+","variants":null,"shipping_amount":"FREE","manufacturer":"inMusic Brands Inc.","climate_pledge_friendly":false,"category_specs":{"is_foldable":false,"is_wireless":false,"is_open_back":false,"impedance_ohms":32,"sensitivity_db":95,"has_wired_option":true,"has_transparency_mode":false,"has_multipoint_connection":false,"has_active_noise_cancellation":false},"review_intelligence":{"total_reviews":1365,"average_rating":4.5,"rating_distribution":{"1_star":"4%","2_star":"1%","3_star":"7%","4_star":"11%","5_star":"77%"},"top_positive_themes":["Quality (30)","Comfort (22)","Value for money (21)","Performance (15)","Suitability (9)"],"top_negative_themes":[],"top_mixed_themes":["Sound quality (54)","Fit (15)","Durability (7)"],"review_summary":"Customers find these headphones to be of high quality, comfortable to wear, and fantastic for the price. They work well and are suitable for various uses, with one customer mentioning they're great for podcasting. The sound quality receives mixed feedback - while some find it amazing, others note the bass is too heavy. The fit and durability also get mixed reviews, with some finding them comfortable while others say they don't fit over the ears, and while many find them durable, one customer reports their headphones breaking after a year of use.","reliability_score":"mixed"},"best_offer":{"retailer":"amazon","retailer_id":"B09S3VWMX6","price_usd":39,"original_price_usd":null,"affiliate_url":"https://www.indrexa.com/go/m-audio-hdh40-over-ear-6ab07211/amazon","in_stock":true,"shipping":{"free_shipping_available":null,"free_shipping_note":null,"min_order_for_free_shipping":null},"last_updated":"2026-06-03T20:04:52.021051+00:00"},"all_offers":[{"retailer":"amazon","retailer_id":"B09S3VWMX6","price_usd":39,"original_price_usd":null,"affiliate_url":"https://www.indrexa.com/go/m-audio-hdh40-over-ear-6ab07211/amazon","in_stock":true,"shipping":{"free_shipping_available":null,"free_shipping_note":null,"min_order_for_free_shipping":null},"last_updated":"2026-06-03T20:04:52.021051+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":"M-AUDIO HDH40 - Over Ear Studio Headphones with Closed Back Design, Flexible Headband and 2.7m Cable for Studio Monitoring, Podcasting and Recording","brand":{"@type":"Brand","name":"M-AUDIO"},"description":"The M-Audio HDH40 is a wired, closed-back over-ear headphone priced at $39, featuring a 40mm neodymium dynamic driver, 32-ohm impedance, and 95dB sensitivity, making it broadly compatible with smartphones, tablets, and pro audio gear via its included 2.7m cable and 1/4-inch adapter. It is designed for studio monitoring, podcasting, and general listening, with a rotatable frame, telescopic stainless steel arms, and leather ear cushions for extended wear. Some users report heavy bass rather than a flat monitoring response, and durability concerns have been noted after prolonged use, which prospective buyers should consider.","sku":"6ab07211-bc47-5a48-a077-dfd3cd4fce1e","identifier":[{"@type":"PropertyValue","name":"asin","value":"B09S3VWMX6"},{"@type":"PropertyValue","name":"indrexa_id","value":"6ab07211-bc47-5a48-a077-dfd3cd4fce1e"}],"offers":[{"@type":"Offer","url":"https://www.indrexa.com/go/m-audio-hdh40-over-ear-6ab07211/amazon","priceCurrency":"USD","price":39,"availability":"https://schema.org/InStock","seller":{"@type":"Organization","name":"Amazon"}}],"additionalProperty":[],"gtin":"694318025840 069431802584","aggregateRating":{"@type":"AggregateRating","ratingValue":4.5,"reviewCount":1365}}}