[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"research-category-rollups-us":3,"research-niche-us-automotive-chassis-ears":116},[4,11,18,25,32,39,46,53,60,67,74,81,88,95,102,109],{"nodeId":5,"label":6,"slug":7,"href":8,"nichesTracked":9,"marketSizeTotal":10},"3760931","Health & Household","health-household","\u002Famazon\u002Fresearch\u002Fus\u002Fhealth-household",5191,5500598336,{"nodeId":12,"label":13,"slug":14,"href":15,"nichesTracked":16,"marketSizeTotal":17},"15690151","Automotive","automotive","\u002Famazon\u002Fresearch\u002Fus\u002Fautomotive",7287,2959139927,{"nodeId":19,"label":20,"slug":21,"href":22,"nichesTracked":23,"marketSizeTotal":24},"7141124011","Clothing, Shoes & Jewelry","clothing-shoes-jewelry","\u002Famazon\u002Fresearch\u002Fus\u002Fclothing-shoes-jewelry",9478,2302459306,{"nodeId":26,"label":27,"slug":28,"href":29,"nichesTracked":30,"marketSizeTotal":31},"165797011","Baby Products","baby-products","\u002Famazon\u002Fresearch\u002Fus\u002Fbaby-products",2244,1684108154,{"nodeId":33,"label":34,"slug":35,"href":36,"nichesTracked":37,"marketSizeTotal":38},"2335753011","Cell Phones & Accessories","cell-phones-accessories","\u002Famazon\u002Fresearch\u002Fus\u002Fcell-phones-accessories",2220,1674627174,{"nodeId":40,"label":41,"slug":42,"href":43,"nichesTracked":44,"marketSizeTotal":45},"2619534011","Pet Supplies","pet-supplies","\u002Famazon\u002Fresearch\u002Fus\u002Fpet-supplies",1386,1198403832,{"nodeId":47,"label":48,"slug":49,"href":50,"nichesTracked":51,"marketSizeTotal":52},"2617942011","Arts, Crafts & Sewing","arts-crafts-sewing","\u002Famazon\u002Fresearch\u002Fus\u002Farts-crafts-sewing",3612,1166051621,{"nodeId":54,"label":55,"slug":56,"href":57,"nichesTracked":58,"marketSizeTotal":59},"11055981","Beauty & Personal Care","beauty-personal-care","\u002Famazon\u002Fresearch\u002Fus\u002Fbeauty-personal-care",2211,950248583,{"nodeId":61,"label":62,"slug":63,"href":64,"nichesTracked":65,"marketSizeTotal":66},"2619526011","Appliances","appliances","\u002Famazon\u002Fresearch\u002Fus\u002Fappliances",845,522195610,{"nodeId":68,"label":69,"slug":70,"href":71,"nichesTracked":72,"marketSizeTotal":73},"3375301","Sports & Outdoors","sports-outdoors","\u002Famazon\u002Fresearch\u002Fus\u002Fsports-outdoors",351,473124347,{"nodeId":75,"label":76,"slug":77,"href":78,"nichesTracked":79,"marketSizeTotal":80},"3238155011","Patio, Lawn & Garden","patio-lawn-garden","\u002Famazon\u002Fresearch\u002Fus\u002Fpatio-lawn-garden",964,470873818,{"nodeId":82,"label":83,"slug":84,"href":85,"nichesTracked":86,"marketSizeTotal":87},"1063498","Home & Kitchen","home-kitchen","\u002Famazon\u002Fresearch\u002Fus\u002Fhome-kitchen",960,470474522,{"nodeId":89,"label":90,"slug":91,"href":92,"nichesTracked":93,"marketSizeTotal":94},"11965861","Musical Instruments","musical-instruments","\u002Famazon\u002Fresearch\u002Fus\u002Fmusical-instruments",437,265480238,{"nodeId":96,"label":97,"slug":98,"href":99,"nichesTracked":100,"marketSizeTotal":101},"1084128","Office Products","office-products","\u002Famazon\u002Fresearch\u002Fus\u002Foffice-products",426,134456572,{"nodeId":103,"label":104,"slug":105,"href":106,"nichesTracked":107,"marketSizeTotal":108},"10304191","Other","other","\u002Famazon\u002Fresearch\u002Fus\u002Fother",8,1511091,{"nodeId":110,"label":111,"slug":112,"href":113,"nichesTracked":114,"marketSizeTotal":115},"18981046011","Amazon Luxury","amazon-luxury","\u002Famazon\u002Fresearch\u002Fus\u002Famazon-luxury",2,34419,{"country":117,"category":121,"niche":122,"verdict":151,"baselines":187,"demand":192,"seasonality":500,"brandShare":513,"products":527,"feedback":598,"lastUpdated":144},{"flag":118,"name":119,"currency":120},"us","United States","USD",{"nodeId":12,"label":13,"slug":14,"href":15},{"marketSize":123,"searchVolume":124,"growth360":125,"growth90":126,"searchConversion":127,"top5ClickShare":128,"top5BrandShare":129,"avgRating":130,"avgReviewCount":131,"avgPrice":132,"priceMin":133,"priceMax":134,"productCount":135,"unitsSoldMax":136,"sponsoredPct":129,"returnRate":137,"successfulLaunches360":138,"newProducts360":129,"amazonNicheId":139,"title":140,"slug":141,"href":142,"leafCategoryName":143,"scrapedAt":144,"brandCount":145,"brandCountYearAgo":146,"sellerCount":147,"signals":148},339367,80139,3.2501,-0.1613,0.0284,0.9271,1,4.3,173,149.11,53.41,393.34,7,3000,0.0426,0,"6d1f51b4043ca0d63473b84576c5124f","chassis ears","chassis-ears","\u002Famazon\u002Fresearch\u002Fus\u002Fautomotive\u002Fchassis-ears","Diagnostic, Test & Measurement Tools","2026-07-11T21:28:04.062831+00:00",4,6,40,[149,150],"low_competition","high_price",{"score":152,"verdict":153,"components":154},35,"skip",[155,160,163,167,169,171,174,178,180,183],{"key":156,"score":157,"weight":158,"raw":159},"marketSize",53,0.15,339366.55,{"key":161,"score":162,"weight":158,"raw":126},"growth",17,{"key":164,"score":165,"weight":166,"raw":127},"conversion",36,0.1,{"key":168,"score":146,"weight":158,"raw":128},"competition",{"key":170,"score":138,"weight":166,"raw":129},"brandShare",{"key":172,"score":173,"weight":166,"raw":130},"qualityGap",75,{"key":175,"score":176,"weight":177,"raw":131},"reviewMoat",91,0.05,{"key":179,"score":147,"weight":166,"raw":137},"returns",{"key":181,"score":182,"weight":177,"raw":132},"avgPrice",59,{"key":184,"score":185,"weight":177,"raw":186},"priceRange",14,0.13705762951195838,{"avgRating":188,"medianPrice":189,"medianReturnRate":190,"nichesTracked":191},4.42,22.26,0.0236,37622,{"points":193,"droppedPartialWeek":499},[194,197,200,203,206,209,212,215,218,221,224,227,230,233,236,239,242,245,248,251,254,257,260,263,265,268,271,274,277,280,283,285,288,291,294,297,300,303,306,309,312,315,318,321,324,327,330,333,336,338,341,343,346,348,350,353,356,359,362,365,368,371,374,377,380,383,386,389,392,395,398,401,404,407,410,413,416,419,422,425,428,431,434,437,440,442,445,448,451,454,457,460,463,466,469,472,475,478,481,484,487,490,493,496],{"week":195,"volume":196},"2024-07-14",500,{"week":198,"volume":199},"2024-07-21",633,{"week":201,"volume":202},"2024-07-28",612,{"week":204,"volume":205},"2024-08-04",758,{"week":207,"volume":208},"2024-08-11",728,{"week":210,"volume":211},"2024-08-18",712,{"week":213,"volume":214},"2024-08-25",735,{"week":216,"volume":217},"2024-09-01",601,{"week":219,"volume":220},"2024-09-08",681,{"week":222,"volume":223},"2024-09-15",739,{"week":225,"volume":226},"2024-09-22",724,{"week":228,"volume":229},"2024-09-29",636,{"week":231,"volume":232},"2024-10-06",714,{"week":234,"volume":235},"2024-10-13",781,{"week":237,"volume":238},"2024-10-20",590,{"week":240,"volume":241},"2024-10-27",705,{"week":243,"volume":244},"2024-11-03",628,{"week":246,"volume":247},"2024-11-10",669,{"week":249,"volume":250},"2024-11-17",742,{"week":252,"volume":253},"2024-11-24",604,{"week":255,"volume":256},"2024-12-01",667,{"week":258,"volume":259},"2024-12-08",598,{"week":261,"volume":262},"2024-12-15",722,{"week":264,"volume":217},"2024-12-22",{"week":266,"volume":267},"2024-12-29",421,{"week":269,"volume":270},"2025-01-05",613,{"week":272,"volume":273},"2025-01-12",649,{"week":275,"volume":276},"2025-01-19",699,{"week":278,"volume":279},"2025-01-26",685,{"week":281,"volume":282},"2025-02-02",768,{"week":284,"volume":232},"2025-02-09",{"week":286,"volume":287},"2025-02-16",674,{"week":289,"volume":290},"2025-02-23",599,{"week":292,"volume":293},"2025-03-02",575,{"week":295,"volume":296},"2025-03-09",694,{"week":298,"volume":299},"2025-03-16",617,{"week":301,"volume":302},"2025-03-23",1037,{"week":304,"volume":305},"2025-03-30",539,{"week":307,"volume":308},"2025-04-06",710,{"week":310,"volume":311},"2025-04-13",738,{"week":313,"volume":314},"2025-04-20",587,{"week":316,"volume":317},"2025-04-27",779,{"week":319,"volume":320},"2025-05-04",693,{"week":322,"volume":323},"2025-05-11",675,{"week":325,"volume":326},"2025-05-18",661,{"week":328,"volume":329},"2025-05-25",624,{"week":331,"volume":332},"2025-06-01",553,{"week":334,"volume":335},"2025-06-08",696,{"week":337,"volume":276},"2025-06-15",{"week":339,"volume":340},"2025-06-22",658,{"week":342,"volume":202},"2025-06-29",{"week":344,"volume":345},"2025-07-06",630,{"week":347,"volume":276},"2025-07-13",{"week":349,"volume":273},"2025-07-20",{"week":351,"volume":352},"2025-07-27",910,{"week":354,"volume":355},"2025-08-03",1127,{"week":357,"volume":358},"2025-08-10",791,{"week":360,"volume":361},"2025-08-17",894,{"week":363,"volume":364},"2025-08-24",946,{"week":366,"volume":367},"2025-08-31",971,{"week":369,"volume":370},"2025-09-07",805,{"week":372,"volume":373},"2025-09-14",877,{"week":375,"volume":376},"2025-09-21",980,{"week":378,"volume":379},"2025-09-28",1150,{"week":381,"volume":382},"2025-10-05",1229,{"week":384,"volume":385},"2025-10-12",1329,{"week":387,"volume":388},"2025-10-19",1199,{"week":390,"volume":391},"2025-10-26",998,{"week":393,"volume":394},"2025-11-02",933,{"week":396,"volume":397},"2025-11-09",1158,{"week":399,"volume":400},"2025-11-16",1069,{"week":402,"volume":403},"2025-11-23",1013,{"week":405,"volume":406},"2025-11-30",1073,{"week":408,"volume":409},"2025-12-07",1258,{"week":411,"volume":412},"2025-12-14",1226,{"week":414,"volume":415},"2025-12-21",1203,{"week":417,"volume":418},"2025-12-28",1170,{"week":420,"volume":421},"2026-01-04",2415,{"week":423,"volume":424},"2026-01-11",1584,{"week":426,"volume":427},"2026-01-18",3486,{"week":429,"volume":430},"2026-01-25",1790,{"week":432,"volume":433},"2026-02-01",1520,{"week":435,"volume":436},"2026-02-08",1777,{"week":438,"volume":439},"2026-02-15",2234,{"week":441,"volume":436},"2026-02-22",{"week":443,"volume":444},"2026-03-01",1505,{"week":446,"volume":447},"2026-03-08",1737,{"week":449,"volume":450},"2026-03-15",1474,{"week":452,"volume":453},"2026-03-22",1440,{"week":455,"volume":456},"2026-03-29",1395,{"week":458,"volume":459},"2026-04-05",2181,{"week":461,"volume":462},"2026-04-12",1865,{"week":464,"volume":465},"2026-04-19",1530,{"week":467,"volume":468},"2026-04-26",1620,{"week":470,"volume":471},"2026-05-03",1429,{"week":473,"volume":474},"2026-05-10",1494,{"week":476,"volume":477},"2026-05-17",1798,{"week":479,"volume":480},"2026-05-24",1581,{"week":482,"volume":483},"2026-05-31",1291,{"week":485,"volume":486},"2026-06-07",1592,{"week":488,"volume":489},"2026-06-14",1469,{"week":491,"volume":492},"2026-06-21",1602,{"week":494,"volume":495},"2026-06-28",1836,{"week":497,"volume":498},"2026-07-05",1301,false,[501,502,503,504,505,506,507,508,509,510,511,512],1.4475476139325048,1.2219337001092856,1.0698325222540843,1.2154979964318742,1.1059156373795964,1.0488173187992915,0.7205559551275466,0.8270081606092592,0.7763860218301227,0.9161770612466025,0.8515097075236812,0.8490271719332332,{"top":514,"otherBrandCount":138,"otherClickShare":138},[515,518,521,524],{"brand":516,"clickShare":517},"Steelman",0.4364,{"brand":519,"clickShare":520},"Steelman Pro",0.378,{"brand":522,"clickShare":523},"ZKTOOL",0.1127,{"brand":525,"clickShare":526},"KTTOOL",0.07289999999999999,[528,539,550,560,569,580,590],{"asin":529,"title":530,"brand":516,"imageUrl":531,"price":532,"rating":533,"reviews":534,"clickShare90":535,"clickShare360":536,"launchDate":537,"amazonUrl":538},"B0BLFHVHZF","Steelman Wireless ChassisEAR Auto Diagnostic Tool Kit Identify The Cause of Troubling Vehicle Noises 4 Transmitters with 50-Foot Range (61082)","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F41EvopEipKL.jpg",250.83,4.4,175,0.3605,0.339,"2022-11-03","https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB0BLFHVHZF",{"asin":540,"title":541,"brand":519,"imageUrl":542,"price":543,"rating":544,"reviews":545,"clickShare90":546,"clickShare360":547,"launchDate":548,"amazonUrl":549},"B09GV3MF4N","STEELMAN PRO ChassisEAR 2 Auto Diagnostic Noise Finder","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F41rzwbd1qoL.jpg",139.87,4.7,73,0.1899,0.2092,"2021-09-21","https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB09GV3MF4N",{"asin":551,"title":552,"brand":519,"imageUrl":553,"price":134,"rating":554,"reviews":555,"clickShare90":556,"clickShare360":557,"launchDate":558,"amazonUrl":559},"B09HVVFN9W","STEELMAN PRO Wireless ChassisEAR 2 Auto Diagnostic Kit","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F41oOWcUZWBL.jpg",3.9,52,0.1881,0.2014,"2021-10-06","https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB09HVVFN9W",{"asin":561,"title":562,"brand":522,"imageUrl":563,"price":564,"rating":130,"reviews":565,"clickShare90":523,"clickShare360":566,"launchDate":567,"amazonUrl":568},"B09QLXV61Q","ZKTOOL Chassis Ears Electronic Stethoscope Diagnostic Kit with Headphones Electronic Ears Automotive 6 Channel Car Engine Noise Finder Sound Detector Tester Tool Set","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F41aEnmsG7VL.jpg",53.63,206,0.0907,"2022-01-18","https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB09QLXV61Q",{"asin":570,"title":571,"brand":516,"imageUrl":572,"price":573,"rating":574,"reviews":575,"clickShare90":576,"clickShare360":577,"launchDate":578,"amazonUrl":579},"B000IHIAES","STEELMAN 06600 ChassisEAR Electronic Squeak and Rattle Finder","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F41k49C757cL.jpg",98.11,4.6,557,0.0759,0.0933,"2004-09-29","https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB000IHIAES",{"asin":581,"title":582,"brand":525,"imageUrl":583,"price":133,"rating":584,"reviews":585,"clickShare90":586,"clickShare360":587,"launchDate":588,"amazonUrl":589},"B0DGXVY5XH","KTTOOL Chassis Ears Automotive Engine Noise Finder 6 Channel Car Sound Detector Tester Tool Set Electronic Stethoscope Diagnostic Kit with Headphones","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F41WfDLWek+L.jpg",4.1,74,0.0479,0.0521,"2024-09-13","https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB0DGXVY5XH",{"asin":591,"title":582,"brand":525,"imageUrl":592,"price":593,"rating":584,"reviews":585,"clickShare90":594,"clickShare360":595,"launchDate":596,"amazonUrl":597},"B0G2VT5Y69","https:\u002F\u002Fm.media-amazon.com\u002Fimages\u002FI\u002F415l9L5t3lL.jpg",54.59,0.025,0.0144,"2025-11-19","https:\u002F\u002Fwww.amazon.com\u002Fdp\u002FB0G2VT5Y69",{"love":599,"hate":659,"returnReasons":717},[600,607,614,621,628,635,641,646,651,655],{"topic":601,"percentOfMentions":602,"verbatims":603},"Quality-Overall",0.1985,[604,605,606],"Decent build quality","Build quality feels solid throughout","Good products",{"topic":608,"percentOfMentions":609,"verbatims":610},"Efficiency",0.1492,[611,612,613],"Works great","Worked fine at first","they worked perfectly",{"topic":615,"percentOfMentions":616,"verbatims":617},"Ease Of Use",0.0788,[618,619,620],"it is actually very straightforward to use","Very neat tool","the channels were easy to switch",{"topic":622,"percentOfMentions":623,"verbatims":624},"Noise Level",0.07200000000000001,[625,626,627],"These are absolutely great for pin pointing exactly where a noise is coming from on a vehicle","This product will help me with noise level issues","I've been able to diagnose several noise issues at work using this kit",{"topic":629,"percentOfMentions":630,"verbatims":631},"Value For Money",0.0697,[632,633,634],"Worth every penny","I must say the price was very reasonable","Fairly good product for the price",{"topic":636,"percentOfMentions":637,"verbatims":638},"Strength",0.0318,[639,640],"Solid tool","The unit feels solid",{"topic":642,"percentOfMentions":637,"verbatims":643},"Advertised Vs Actual Product",[644,645],"Performance: This device does exactly what its supposed to do","Did exactly what I needwd",{"topic":647,"percentOfMentions":648,"verbatims":649},"Portability",0.0227,[650],"It is really handy to be able to put the clamps in several places",{"topic":652,"percentOfMentions":648,"verbatims":653},"Functionality-Overall",[654],"Tool works great",{"topic":656,"percentOfMentions":648,"verbatims":657},"Maintenance And Repair",[658],"Its a handy gadget for anyone interested in maintaining their vehicle more effectively",[660,666,673,680,686,691,696,702,708,713],{"topic":601,"percentOfMentions":661,"verbatims":662},0.12300000000000001,[663,664,665],"The device actually feels pretty cheaply made","didn't find them very reliable or useful yet","This new style looks cheap",{"topic":667,"percentOfMentions":668,"verbatims":669},"Battery Life",0.1048,[670,671,672],"static, no sound, batteries die quickly, you have to remove batteries after ever use and that gets very anoying","only down side is you have to pull all the batteries out when storing until next use or the batteries can leak wrecking the tool beyond repair","It probably drains the batteries quickly",{"topic":674,"percentOfMentions":675,"verbatims":676},"Durability",0.1032,[677,678,679],"I'm afraid it might break if I push any harder","they would crap out once in awhile","Mic 2 broke on first use",{"topic":681,"percentOfMentions":682,"verbatims":683},"Audio Quality",0.07139999999999999,[684,685],"The included headphones arent very good","The headphones it came with arent the best",{"topic":687,"percentOfMentions":682,"verbatims":688},"Defective Material\u002FParts",[689,690],"Device not working","worth it does whats advertised though one of the buttons lost its cap out of the gate. cosmetic issue",{"topic":692,"percentOfMentions":693,"verbatims":694},"Instructions\u002FUser Manual\u002FTroubleshooting",0.047599999999999996,[695],"No explanation in instructions",{"topic":636,"percentOfMentions":697,"verbatims":698},0.0452,[699,700,701],"The unit itself seems a little flimsy","I don't recommend loaning it out to others based on how fragile some of the components might be","It seems a bit fragile so may not lend itself to a shop setting",{"topic":703,"percentOfMentions":704,"verbatims":705},"Charging",0.0397,[706,707],"the chassis ear screen won't hold a charge anymore only had for a few weeks at this point","Now the head unit will not charge making it a throw away tool",{"topic":615,"percentOfMentions":709,"verbatims":710},0.0333,[711,712],"of which are hard to access","Battery Cover: The battery cover is a bit tricky to remove",{"topic":714,"percentOfMentions":715,"verbatims":716},"Touch\u002FButton Controls",0.023799999999999998,[690],[718,720,722,724,726,728,730,732,734,737],{"reason":652,"pct":719},0.19469999999999998,{"reason":687,"pct":721},0.159,{"reason":642,"pct":723},0.1298,{"reason":622,"pct":725},0.09029999999999999,{"reason":601,"pct":727},0.0649,{"reason":629,"pct":729},0.053399999999999996,{"reason":703,"pct":731},0.042,{"reason":733,"pct":731},"Product Condition",{"reason":735,"pct":736},"Connectivity-Overall",0.0382,{"reason":738,"pct":739},"Compatibility-Overall",0.0305]