{"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":"2026-11-11T04:11:09+00:00","price":"399.99","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0F48CW3DG?maas=maas_adg_api_584955703333686768_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PBdd5e46c7ec568c9a30ee9a425b4054a9_7cb7275294b8&aa_adgroupid=495e84addb3249a81e809df85744cfd9_PBSEP_!!!affid!!!_118045_&aa_creativeid=d61c4_bY28zevh9eIFycFC_bP6knmvEou_b2DGO9lldFk75As0_c"}],"product":{"brand":"Fosi Audio-UK","evidence_url":"https://mainbuyer.com/evidence/products/fosi-audio-sp601-passive-bookshelf-speakers-4-160w-home-audio-hifi-stereo-speaker-with-6-5-hybridcone-composite-woofers-and-1-5-silk-dome-tweeter-b0f48cw3dg/prices","gtin":null,"id":22508,"model_number":null,"name":"Fosi Audio SP601 Passive Bookshelf Speakers, 4\u00ce\u00a9 160W Home Audio HiFi Stereo Speaker with 6.5\" HybridCone Composite Woofers and 1.5\"\" Silk Dome Tweeter\"","product_url":"https://mainbuyer.com/product/fosi-audio-sp601-passive-bookshelf-speakers-4-160w-home-audio-hifi-stereo-speaker-with-6-5-hybridcone-composite-woofers-and-1-5-silk-dome-tweeter-b0f48cw3dg","urn":"MB-AWIN-GB-B0F48CW3DG"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"399.99","historical_low":"399.99","last_observed_at":"2026-11-11T04:11:09+00:00","low_30d":"399.99","low_90d":"399.99","median_price":"399.99","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-11-11T04:11:09+00:00"}}