{"indrexa_id":"6d4d44e4-6f0c-5c22-8610-810007b908b8","category_id":"headphones","product_title":"Essonio ES-C19 in-Ear Monitors, 5 Knowles BA Drivers Wired IEMs, Noise Cancelling Audiophile Earbuds, Hi-Res Vocal Monitor with 4.4mm Balanced Silver-Plated Cable for Studio Mixing, Stage, Musicians","brand":"essoniox","upc":null,"asin":"B0FJ5ZXD2B","semantic_description":"The Essonio ES-C19 is a high-end wired in-ear monitor featuring 5 Knowles balanced armature drivers (3 genuine, 2 custom), a frequency response of 5Hz–50kHz, and 23-ohm impedance, priced at $963. It ships with a hand-painted 3D-printed resin shell, a 4.4mm balanced 192-core silver-plated cable, detachable 0.78mm 2-pin connector, and adapters for 3.5mm and USB-C compatibility, making it suited for studio mixing, stage monitoring, and critical audiophile listening. A notable limitation is its high sensitivity to source quality — it requires a low-gain DAC/DAP for optimal performance and may distort when driven by high-power desktop amplifiers.","best_for_summary":"Best for professional musicians, studio engineers, and serious audiophiles who require reference-grade in-ear monitors with premium build quality and are willing to invest in a proper balanced audio source chain.","not_ideal_for":["Casual listeners or those without a quality DAC/DAP source","Users seeking wireless or Bluetooth functionality","Budget-conscious buyers or those new to audiophile gear"],"use_case_tags":["studio","audiophile","premium-audio","gift","noise-cancelling"],"buyer_profile_tags":["audiophile","music-producer","gift-buyer"],"manufacturer_description":"【Unique Artist Hand-Painted & 3D Printed Shell】 Each ES-C19 is a masterpiece featuring an ergonomic 3D-printed resin cavity and a faceplate uniquely hand-painted by artists, ensuring no two pairs are alike. The bundle includes multiple sizes of silicone and slow-rebound memory foam ear tips, plus an exquisite genuine leather carrying case for premium protection.【Professional 5-BA Driver Configuration】 Engineered with 3 genuine Knowles and 2 custom Knowles balanced armature drivers, these IEMs deliver unmatched precision across a 5Hz-50kHz range. This setup is optimized for audiophiles and musicians who demand transparent highs, rich textures, and clinical-level vocal clarity during critical listening.【8-Strand 192-Core Silver-Plated Balanced Cable】 The 4.4mm balanced cable is masterfully crafted from 8-strand, 192-core silver-plated alloy copper. This high-purity construction minimizes signal loss, while the 4.4mm balanced plug provides superior channel separation, a wider soundstage, and a lower noise floor compared to standard 3.5mm connections.【Detachable 2-Pin Design & Versatile Compatibility】 Featuring a 0.78mm 2-pin detachable design, the cable allows for easy upgrades. While we provide 4.4mm to 3.5mm and 3.5mm to Type-C adapters for wide compatibility with smartphones and laptops, we highly recommend using the native 4.4mm connection to unlock the full dynamic potential of the drivers.【Acoustic Optimization & Expert Usage Tips】 For peak performance, use low-gain output (DAC/DAP) and keep system volume at 60%–80%. Please note: Excessive gain or driving volume near maximum on high-power desktop amps may cause source clipping or distortion; this is a characteristic of high-sensitivity professional audio gear and not a product defect.【Engineered for Professionals with Genuine Leather Case】 Designed for studio mixing, recording, and stage monitoring, these wired earbuds provide precise instrument separation and zero-latency performance. Each set comes with an exquisite genuine leather carrying case, protecting your investment while offering a premium touch for professional use or gifting.【Stage-Grade Noise Isolation】 Designed with the principles of professional stage monitors, these IEMs provide exceptional passive noise cancellation. By creating a secure acoustic seal, they naturally dampen external sounds without the need for batteries. Experience your playlist with the clarity and intimacy of a private studio session, no matter where you are.【Studio Reference Clarity & Precision】 Designed for the most discerning audiophiles and professional engineers, the C19 offers a neutral, reference-grade sound signature. Our proprietary acoustic crossover system ensures zero frequency interference, providing a massive soundstage and pinpoint imaging. It’s not just listening; it’s an immersive, high-definition studio experience in your ears.","feature_bullets":["【Unique Artist Hand-Painted & 3D Printed Shell】 Each ES-C19 is a masterpiece featuring an ergonomic 3D-printed resin cavity and a faceplate uniquely hand-painted by artists, ensuring no two pairs are alike. The bundle includes multiple sizes of silicone and slow-rebound memory foam ear tips, plus an exquisite genuine leather carrying case for premium protection.","【Professional 5-BA Driver Configuration】 Engineered with 3 genuine Knowles and 2 custom Knowles balanced armature drivers, these IEMs deliver unmatched precision across a 5Hz-50kHz range. This setup is optimized for audiophiles and musicians who demand transparent highs, rich textures, and clinical-level vocal clarity during critical listening.","【8-Strand 192-Core Silver-Plated Balanced Cable】 The 4.4mm balanced cable is masterfully crafted from 8-strand, 192-core silver-plated alloy copper. This high-purity construction minimizes signal loss, while the 4.4mm balanced plug provides superior channel separation, a wider soundstage, and a lower noise floor compared to standard 3.5mm connections.","【Detachable 2-Pin Design & Versatile Compatibility】 Featuring a 0.78mm 2-pin detachable design, the cable allows for easy upgrades. While we provide 4.4mm to 3.5mm and 3.5mm to Type-C adapters for wide compatibility with smartphones and laptops, we highly recommend using the native 4.4mm connection to unlock the full dynamic potential of the drivers.","【Acoustic Optimization & Expert Usage Tips】 For peak performance, use low-gain output (DAC/DAP) and keep system volume at 60%–80%. Please note: Excessive gain or driving volume near maximum on high-power desktop amps may cause source clipping or distortion; this is a characteristic of high-sensitivity professional audio gear and not a product defect.","【Engineered for Professionals with Genuine Leather Case】 Designed for studio mixing, recording, and stage monitoring, these wired earbuds provide precise instrument separation and zero-latency performance. Each set comes with an exquisite genuine leather carrying case, protecting your investment while offering a premium touch for professional use or gifting.","【Stage-Grade Noise Isolation】 Designed with the principles of professional stage monitors, these IEMs provide exceptional passive noise cancellation. By creating a secure acoustic seal, they naturally dampen external sounds without the need for batteries. Experience your playlist with the clarity and intimacy of a private studio session, no matter where you are.","【Studio Reference Clarity & Precision】 Designed for the most discerning audiophiles and professional engineers, the C19 offers a neutral, reference-grade sound signature. Our proprietary acoustic crossover system ensures zero frequency interference, providing a massive soundstage and pinpoint imaging. It’s not just listening; it’s an immersive, high-definition studio experience in your ears."],"spec_table":[{"field":"Brand","value":"essoniox"},{"field":"Color","value":"Black–Gold"},{"field":"Ear Placement","value":"In Ear"},{"field":"Form Factor","value":"In Ear"},{"field":"Impedance","value":"23 Ohms"}],"bought_in_past_month":null,"variants":null,"shipping_amount":"FREE","manufacturer":"essonio","climate_pledge_friendly":false,"category_specs":{"is_foldable":false,"is_wireless":false,"is_open_back":false,"impedance_ohms":23,"has_wired_option":true,"has_transparency_mode":false,"has_multipoint_connection":false,"has_active_noise_cancellation":false},"review_intelligence":{"total_reviews":2,"average_rating":4.5,"rating_distribution":{"1_star":"0%","2_star":"0%","3_star":"0%","4_star":"50%","5_star":"50%"},"top_positive_themes":[],"top_negative_themes":[],"top_mixed_themes":[],"review_summary":null,"reliability_score":"high"},"best_offer":{"retailer":"amazon","retailer_id":"B0FJ5ZXD2B","price_usd":963,"original_price_usd":null,"affiliate_url":"https://www.indrexa.com/go/essoniox-essonio-es-c19-in-ear-monitors-6d4d44e4/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":"B0FJ5ZXD2B","price_usd":963,"original_price_usd":null,"affiliate_url":"https://www.indrexa.com/go/essoniox-essonio-es-c19-in-ear-monitors-6d4d44e4/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":"Essonio ES-C19 in-Ear Monitors, 5 Knowles BA Drivers Wired IEMs, Noise Cancelling Audiophile Earbuds, Hi-Res Vocal Monitor with 4.4mm Balanced Silver-Plated Cable for Studio Mixing, Stage, Musicians","brand":{"@type":"Brand","name":"essoniox"},"description":"The Essonio ES-C19 is a high-end wired in-ear monitor featuring 5 Knowles balanced armature drivers (3 genuine, 2 custom), a frequency response of 5Hz–50kHz, and 23-ohm impedance, priced at $963. It ships with a hand-painted 3D-printed resin shell, a 4.4mm balanced 192-core silver-plated cable, detachable 0.78mm 2-pin connector, and adapters for 3.5mm and USB-C compatibility, making it suited for studio mixing, stage monitoring, and critical audiophile listening. A notable limitation is its high sensitivity to source quality — it requires a low-gain DAC/DAP for optimal performance and may distort when driven by high-power desktop amplifiers.","sku":"6d4d44e4-6f0c-5c22-8610-810007b908b8","identifier":[{"@type":"PropertyValue","name":"asin","value":"B0FJ5ZXD2B"},{"@type":"PropertyValue","name":"indrexa_id","value":"6d4d44e4-6f0c-5c22-8610-810007b908b8"}],"offers":[{"@type":"Offer","url":"https://www.indrexa.com/go/essoniox-essonio-es-c19-in-ear-monitors-6d4d44e4/amazon","priceCurrency":"USD","price":963,"availability":"https://schema.org/InStock","seller":{"@type":"Organization","name":"Amazon"}}],"additionalProperty":[],"aggregateRating":{"@type":"AggregateRating","ratingValue":4.5,"reviewCount":2}}}