{"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":"75.00","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B07XNTHHBP?maas=maas_adg_api_584955703333686768_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PBdd5e46c7ec568c9a30ee9a425b4054a9_32f12f7366bb&aa_adgroupid=35057f464f81862d4a245bfa436e88b1_PBSEP_!!!affid!!!_118045_&aa_creativeid=bf13v8Vn0mplkWima97U3ssuDCX2g9MS0o6j_aiwYrlF1W2M_c"}],"product":{"brand":"Fosi Audio-UK","evidence_url":"https://www.mainbuyer.com/evidence/products/fosi-audio-box-x2-phono-preamp-mini-stereo-audio-hi-fi-preamplifier-with-gain-gear-pre-amplifier-for-mm-turntable-phonograph-and-record-player-with-dc-12v-power-supply-b07xnthhbp/prices","gtin":null,"id":22464,"model_number":null,"name":"Fosi Audio Box X2 Phono Preamp, Mini Stereo Audio Hi-Fi Preamplifier with Gain Gear, Pre-Amplifier for MM Turntable Phonograph and Record Player, with DC 12V Power Supply","product_url":"https://www.mainbuyer.com/product/fosi-audio-box-x2-phono-preamp-mini-stereo-audio-hi-fi-preamplifier-with-gain-gear-pre-amplifier-for-mm-turntable-phonograph-and-record-player-with-dc-12v-power-supply-b07xnthhbp","urn":"MB-AWIN-GB-B07XNTHHBP"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"75.00","historical_low":"75.00","last_observed_at":"2026-11-11T04:11:08+00:00","low_30d":"75.00","low_90d":"75.00","median_price":"75.00","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-11-11T04:11:08+00:00"}}