{"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":"99.00","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0DQXPBNZD?maas=maas_adg_api_584955703333686768_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PBdd5e46c7ec568c9a30ee9a425b4054a9_2301c5522388&aa_adgroupid=081ac372eaef08ff4f0352ffe4195b36_PBSEP_!!!affid!!!_118045_&aa_creativeid=2b63HcMdzd0pyRC_bQY74cAZSb3rTIX8wHWyCFTaQO_bzUWrs_c"}],"product":{"brand":"Fosi Audio-UK","evidence_url":"https://mail.mainbuyer.com/evidence/products/fosi-audio-p4-mini-preamp-with-3-rca-inputs-home-audio-stereo-pre-amp-for-amplifier-active-subwoofer-speakers-preamplifier-with-3-level-adjustable-gain-3-6-9-db-bass-and-treble-b0dqxpbnzd/prices","gtin":null,"id":22504,"model_number":null,"name":"Fosi Audio P4 Mini Preamp with 3 RCA Inputs, Home Audio Stereo Pre amp for Amplifier/Active Subwoofer/Speakers, Preamplifier with 3-Level Adjustable Gain 3/6/9 dB, Bass and Treble Control","product_url":"https://mail.mainbuyer.com/product/fosi-audio-p4-mini-preamp-with-3-rca-inputs-home-audio-stereo-pre-amp-for-amplifier-active-subwoofer-speakers-preamplifier-with-3-level-adjustable-gain-3-6-9-db-bass-and-treble-b0dqxpbnzd","urn":"MB-AWIN-GB-B0DQXPBNZD"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"99.00","historical_low":"99.00","last_observed_at":"2026-11-11T04:11:09+00:00","low_30d":"99.00","low_90d":"99.00","median_price":"99.00","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-11-11T04:11:09+00:00"}}