{"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":"340.20","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0GC5M3X8B?maas=maas_adg_api_584955703333686768_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PBdd5e46c7ec568c9a30ee9a425b4054a9_af7dabb3477f&aa_adgroupid=8909e66d9d451273ffc4817630dcf802_PBSEP_!!!affid!!!_118045_&aa_creativeid=398aYOZw50gU3Eww9JvS2sMEOfc4LToDkHsjkuoUaTsgfGk_c"}],"product":{"brand":"Fosi Audio-UK","evidence_url":"https://mail.mainbuyer.com/evidence/products/fosi-audio-zd3-fully-balanced-desktop-dac-preamp-with-es9039q2m-zh3-dac-headphone-amp-preamp-with-akm4493seq-b0gc5m3x8b/prices","gtin":null,"id":22527,"model_number":null,"name":"Fosi Audio ZD3 Fully Balanced Desktop DAC Preamp with ES9039Q2M + ZH3 DAC Headphone Amp Preamp with AKM4493SEQ","product_url":"https://mail.mainbuyer.com/product/fosi-audio-zd3-fully-balanced-desktop-dac-preamp-with-es9039q2m-zh3-dac-headphone-amp-preamp-with-akm4493seq-b0gc5m3x8b","urn":"MB-AWIN-GB-B0GC5M3X8B"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"340.20","historical_low":"340.20","last_observed_at":"2026-11-11T04:11:10+00:00","low_30d":"340.20","low_90d":"340.20","median_price":"340.20","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-11-11T04:11:10+00:00"}}