{"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":"159.00","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0CLP4T5L7?maas=maas_adg_api_584955703333686768_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PBdd5e46c7ec568c9a30ee9a425b4054a9_72b8c99f7ea2&aa_adgroupid=fb2fe321a61db12e86b2cf1d3c80b829_PBSEP_!!!affid!!!_118045_&aa_creativeid=d0bcSLAppLqZqZpl9SjolkRx_aW_bJLczjnY8A00kTaRa8RT4_c"}],"product":{"brand":"Fosi Audio-UK","evidence_url":"https://mail.mainbuyer.com/evidence/products/fosi-audio-za3-balanced-stereo-mono-amplifier-hifi-with-tpa3255-chips-mini-audio-amp-monoblock-with-xlr-rca-inputs-and-12v-trigger-in-for-desktop-bookshelf-passive-speakers-with-4-b0clp4t5l7/prices","gtin":null,"id":22488,"model_number":null,"name":"Fosi Audio ZA3 Balanced Stereo/Mono Amplifier HiFi with TPA3255 Chips, Mini Audio Amp Monoblock with XLR RCA Inputs and 12V Trigger-in for Desktop Bookshelf Passive Speakers with 48V5A Power","product_url":"https://mail.mainbuyer.com/product/fosi-audio-za3-balanced-stereo-mono-amplifier-hifi-with-tpa3255-chips-mini-audio-amp-monoblock-with-xlr-rca-inputs-and-12v-trigger-in-for-desktop-bookshelf-passive-speakers-with-4-b0clp4t5l7","urn":"MB-AWIN-GB-B0CLP4T5L7"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"159.00","historical_low":"159.00","last_observed_at":"2026-11-11T04:11:09+00:00","low_30d":"159.00","low_90d":"159.00","median_price":"159.00","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-11-11T04:11:09+00:00"}}