{"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":"2026-11-11T04:11:09+00:00","price":"75.05","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0CF1WL1V2?maas=maas_adg_api_584955703333686768_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PBdd5e46c7ec568c9a30ee9a425b4054a9_09f0985fb87c&aa_adgroupid=11d7461b488157181b42fa0d816e6658_PBSEP_!!!affid!!!_118045_&aa_creativeid=aacdK1tIR0m1goPTAEeXArNS4i1_bPm0cE3hAWyBPuFECxm4_c"}],"product":{"brand":"Fosi Audio-UK","evidence_url":"https://mail.mainbuyer.com/evidence/products/fosi-audio-sk01-headphone-amplifier-equalizer-preamp-with-bass-midrange-treble-tone-control-and-loudness-compensation-portable-class-a-analog-amp-with-3-5mm-6-35mm-jacks-b0cf1wl1v2/prices","gtin":null,"id":22485,"model_number":null,"name":"Fosi Audio SK01 Headphone Amplifier Equalizer Preamp with Bass Midrange Treble Tone Control and Loudness Compensation Portable Class A Analog Amp with 3.5mm 6.35mm Jacks","product_url":"https://mail.mainbuyer.com/product/fosi-audio-sk01-headphone-amplifier-equalizer-preamp-with-bass-midrange-treble-tone-control-and-loudness-compensation-portable-class-a-analog-amp-with-3-5mm-6-35mm-jacks-b0cf1wl1v2","urn":"MB-AWIN-GB-B0CF1WL1V2"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"75.05","historical_low":"75.05","last_observed_at":"2026-11-11T04:11:09+00:00","low_30d":"75.05","low_90d":"75.05","median_price":"75.05","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-11-11T04:11:09+00:00"}}