{"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":"2026-11-11T04:11:10+00:00","price":"304.20","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0GC265TRY?maas=maas_adg_api_584955703333686768_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PBdd5e46c7ec568c9a30ee9a425b4054a9_f023c9a6088f&aa_adgroupid=eeb4d3ada26ff78147fe75a5e5cbae13_PBSEP_!!!affid!!!_118045_&aa_creativeid=3ca6rv0Q3qk_aIipgnfOc2Hr5gwLxyAL1bZtXhxbMkUTzFm0_c"}],"product":{"brand":"Fosi Audio-UK","evidence_url":"https://www.mainbuyer.com/evidence/products/fosi-audio-za3-balanced-stereo-mono-amplifier-hifi-with-tpa3255-chips-zd3-desktop-dac-preamp-with-es9039q2m-b0gc265try/prices","gtin":null,"id":22526,"model_number":null,"name":"Fosi Audio ZA3 Balanced Stereo/Mono Amplifier HiFi with TPA3255 Chips + ZD3 Desktop DAC Preamp with ES9039Q2M","product_url":"https://www.mainbuyer.com/product/fosi-audio-za3-balanced-stereo-mono-amplifier-hifi-with-tpa3255-chips-zd3-desktop-dac-preamp-with-es9039q2m-b0gc265try","urn":"MB-AWIN-GB-B0GC265TRY"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"304.20","historical_low":"304.20","last_observed_at":"2026-11-11T04:11:10+00:00","low_30d":"304.20","low_90d":"304.20","median_price":"304.20","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-11-11T04:11:10+00:00"}}
