{"dataset":"MainBuyer UK price observations","market":"GB","market_name":"United Kingdom","methodology":"Each observation is stored only when MainBuyer has a timestamped checked retailer offer. Missing days are not interpolated or invented. Historical low, high and median figures use recorded in-stock observations only.","observations":[{"currency":"GBP","in_stock":true,"observed_at":"2026-09-17T12:30:22+00:00","price":"65.25","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B09B9B8DTW?maas=maas_adg_api_577404815848182690_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PBf276c16e1e50823a8ca949cb517f4a76&aa_adgroupid=b9122f61e17520a20118aed1b33b25cf_PBSEP_!!!affid!!!_118045_&aa_creativeid=c199m2CWdUFGgVYRaRliRkeYIM2iUa1Bxo1VzgeKa0YE96I_c"}],"product":{"brand":"MAONO UK","evidence_url":"https://www.mainbuyer.com/evidence/products/maono-50mm-drivers-over-ear-studio-headphones-au-mh501-stereo-monitor-closed-back-headphones-lightweight-foldable-design-for-smartphone-computer-p-b09b9b8dtw/prices","gtin":null,"id":12555,"model_number":null,"name":"MAONO 50MM Drivers Over Ear Studio Headphones, AU-MH501 Stereo Monitor Closed Back Headphones, Lightweight Foldable Design for Smartphone, Computer, P","product_url":"https://www.mainbuyer.com/product/maono-50mm-drivers-over-ear-studio-headphones-au-mh501-stereo-monitor-closed-back-headphones-lightweight-foldable-design-for-smartphone-computer-p-b09b9b8dtw","urn":"MB-AWIN-GB-B09B9B8DTW"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"65.25","historical_low":"65.25","last_observed_at":"2026-09-17T12:30:22+00:00","low_30d":"65.25","low_90d":"65.25","median_price":"65.25","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-09-17T12:30:22+00:00"}}