{"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":"2026-09-17T12:30:31+00:00","price":"359.00","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0CLGMPMFN?maas=maas_adg_api_583671915767986300_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PB0fe2d6be49a2c753038ff135e9910b4c&aa_adgroupid=54042ebb5ab0642db1e0858dc7333c63_PBSEP_!!!affid!!!_118045_&aa_creativeid=fd2fjqMPfyncqUpZV1IG4vT7ADIARY_bbWTcOulEma_b7IXjQ_c"}],"product":{"brand":"WiiM UK","evidence_url":"https://mail.mainbuyer.com/evidence/products/wiim-amp-streaming-amplifier-for-passive-speakers-with-hdmi-arc-silver-b0clgmpmfn/prices","gtin":null,"id":12828,"model_number":null,"name":"WiiM Amp Streaming Amplifier for Passive Speakers with HDMI ARC, Silver","product_url":"https://mail.mainbuyer.com/product/wiim-amp-streaming-amplifier-for-passive-speakers-with-hdmi-arc-silver-b0clgmpmfn","urn":"MB-AWIN-GB-B0CLGMPMFN"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"359.00","historical_low":"359.00","last_observed_at":"2026-09-17T12:30:31+00:00","low_30d":"359.00","low_90d":"359.00","median_price":"359.00","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-09-17T12:30:31+00:00"}}