{"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":"122.55","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0CGCSM191?maas=maas_adg_api_584955703333686768_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PBdd5e46c7ec568c9a30ee9a425b4054a9_5a420f3bcc52&aa_adgroupid=09ff4ce5974098c051c84461df7efa2c_PBSEP_!!!affid!!!_118045_&aa_creativeid=40a6mIcFFzA_b0BUlxOjySNFV8kydzq_a0LfRkKYvxZmEFZhU_c"}],"product":{"brand":"Fosi Audio-UK","evidence_url":"https://www.mainbuyer.com/evidence/products/fosi-audio-v3-300w-class-d-stereo-power-amplifier-tpa3255-chip-hifi-audio-amplifier-for-home-theater-and-bookshelf-speakers-compact-design-with-advanced-heat-dissipation-with-48v-b0cgcsm191/prices","gtin":null,"id":22483,"model_number":null,"name":"Fosi Audio V3 300W Class D Stereo Power Amplifier, TPA3255 Chip HiFi Audio Amplifier for Home Theater and Bookshelf Speakers, Compact Design with Advanced Heat Dissipation with 48V5A Power S","product_url":"https://www.mainbuyer.com/product/fosi-audio-v3-300w-class-d-stereo-power-amplifier-tpa3255-chip-hifi-audio-amplifier-for-home-theater-and-bookshelf-speakers-compact-design-with-advanced-heat-dissipation-with-48v-b0cgcsm191","urn":"MB-AWIN-GB-B0CGCSM191"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"122.55","historical_low":"122.55","last_observed_at":"2026-11-11T04:11:09+00:00","low_30d":"122.55","low_90d":"122.55","median_price":"122.55","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-11-11T04:11:09+00:00"}}