{"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":"84.00","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B07K7NJ4QN?maas=maas_adg_api_584955703333686768_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PBdd5e46c7ec568c9a30ee9a425b4054a9_40db8fdca302&aa_adgroupid=8ab145aa5872672d1428d1f517714525_PBSEP_!!!affid!!!_118045_&aa_creativeid=b221ecM9EykOZpYSPstmjuen_a_aaC_avUXVDvQJQd3EMpMog8_c"}],"product":{"brand":"Fosi Audio-UK","evidence_url":"https://www.mainbuyer.com/evidence/products/fosi-audio-bt30d-bluetooth-5-0-stereo-audio-receiver-amplifier-2-1-channel-mini-hi-fi-class-d-integrated-amp-50-watt-x2-100-watt-for-passive-speakers-subwoofer-powered-b07k7nj4qn/prices","gtin":null,"id":22462,"model_number":null,"name":"Fosi Audio BT30D Bluetooth 5.0 Stereo Audio Receiver Amplifier 2.1 Channel Mini Hi-Fi Class D Integrated Amp 50 Watt x2+100 Watt for Passive Speakers/Subwoofer Powered","product_url":"https://www.mainbuyer.com/product/fosi-audio-bt30d-bluetooth-5-0-stereo-audio-receiver-amplifier-2-1-channel-mini-hi-fi-class-d-integrated-amp-50-watt-x2-100-watt-for-passive-speakers-subwoofer-powered-b07k7nj4qn","urn":"MB-AWIN-GB-B07K7NJ4QN"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"84.00","historical_low":"84.00","last_observed_at":"2026-11-11T04:11:08+00:00","low_30d":"84.00","low_90d":"84.00","median_price":"84.00","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-11-11T04:11:08+00:00"}}