{"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":"2026-09-17T12:29:17+00:00","price":"349.99","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0FYHFZF65?maas=maas_adg_api_580504493242554285_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PB10a4ba561b0fe2ecc5e55d3de6a1757a&aa_adgroupid=e3be8e53c644256c0418b4d0e66c3468_PBSEP_!!!affid!!!_118045_&aa_creativeid=472eHqQmuj6O6EJg0JwEJ4EVX41IRNkdhxzJ9IctT0nMWCQ_c"}],"product":{"brand":"Edifier UK","evidence_url":"https://www.mainbuyer.com/evidence/products/edifier-r2750db-mkii-3-way-bookshelf-speakers-with-sub-out-144w-walnut-b0fyhfzf65/prices","gtin":null,"id":10910,"model_number":null,"name":"Edifier R2750DB MKII 3-Way Bookshelf Speakers with Sub Out, 144W, Walnut","product_url":"https://www.mainbuyer.com/product/edifier-r2750db-mkii-3-way-bookshelf-speakers-with-sub-out-144w-walnut-b0fyhfzf65","urn":"MB-AWIN-GB-B0FYHFZF65"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"349.99","historical_low":"349.99","last_observed_at":"2026-09-17T12:29:17+00:00","low_30d":"349.99","low_90d":"349.99","median_price":"349.99","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-09-17T12:29:17+00:00"}}