{"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":"2026-11-11T04:11:08+00:00","price":"25.00","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B08TLRPMDC?maas=maas_adg_api_584955703333686768_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PBdd5e46c7ec568c9a30ee9a425b4054a9_32f12f7366bb&aa_adgroupid=d89bff2b2f3f39302ac85cb815cc390e_PBSEP_!!!affid!!!_118045_&aa_creativeid=6b55JQE90eBJyHEfXdJhbp95rr0G292Hd0wHiZztXT_a2kxQ_c"}],"product":{"brand":"Fosi Audio-UK","evidence_url":"https://mail.mainbuyer.com/evidence/products/fosi-audio-box-x1-phono-preamp-for-mm-turntables-with-3-5mm-headphone-and-rca-output-mini-phono-preamplifier-with-power-switch-for-phonograph-record-player-dc-12v-power-adapter-i-b08tlrpmdc/prices","gtin":null,"id":22465,"model_number":null,"name":"Fosi Audio BOX X1 Phono Preamp for MM Turntables with 3.5MM Headphone and RCA Output, Mini Phono Preamplifier with Power Switch for Phonograph/Record Player, DC 12V Power Adapter Included","product_url":"https://mail.mainbuyer.com/product/fosi-audio-box-x1-phono-preamp-for-mm-turntables-with-3-5mm-headphone-and-rca-output-mini-phono-preamplifier-with-power-switch-for-phonograph-record-player-dc-12v-power-adapter-i-b08tlrpmdc","urn":"MB-AWIN-GB-B08TLRPMDC"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"25.00","historical_low":"25.00","last_observed_at":"2026-11-11T04:11:08+00:00","low_30d":"25.00","low_90d":"25.00","median_price":"25.00","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-11-11T04:11:08+00:00"}}