{"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":"109.00","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0DLWM2YPD?maas=maas_adg_api_584955703333686768_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PBdd5e46c7ec568c9a30ee9a425b4054a9_32f12f7366bb&aa_adgroupid=21878b97b1ec251dda6646208c8c3adf_PBSEP_!!!affid!!!_118045_&aa_creativeid=5816CUjWKUH2_aST0wVsMn1BNqybppulzuJLIxxMaHuahq1c_c"}],"product":{"brand":"Fosi Audio-UK","evidence_url":"https://mainbuyer.com/evidence/products/fosi-audio-box-x5-phono-preamp-for-turntable-mini-preamplifier-home-audio-for-mm-mc-cartridge-turntable-phonograph-record-player-active-speakers-4-level-adjustable-gain-38-48-5-b0dlwm2ypd/prices","gtin":null,"id":22467,"model_number":null,"name":"Fosi Audio BOX X5 Phono Preamp for Turntable, Mini Preamplifier Home Audio for MM & MC Cartridge Turntable/Phonograph Record Player/Active Speakers, 4-Level Adjustable Gain 38/48/56/66 dB wi","product_url":"https://mainbuyer.com/product/fosi-audio-box-x5-phono-preamp-for-turntable-mini-preamplifier-home-audio-for-mm-mc-cartridge-turntable-phonograph-record-player-active-speakers-4-level-adjustable-gain-38-48-5-b0dlwm2ypd","urn":"MB-AWIN-GB-B0DLWM2YPD"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"109.00","historical_low":"109.00","last_observed_at":"2026-11-11T04:11:08+00:00","low_30d":"109.00","low_90d":"109.00","median_price":"109.00","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-11-11T04:11:08+00:00"}}