{"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":"2026-11-11T04:11:10+00:00","price":"99.00","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0GL7NR7F5?maas=maas_adg_api_584955703333686768_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PBdd5e46c7ec568c9a30ee9a425b4054a9_c713875352e8&aa_adgroupid=8f1dd02686d52aa30eb9d85b41075463_PBSEP_!!!affid!!!_118045_&aa_creativeid=533caD7nHQ4W5_bPJOzEzoUUg6aVZGmuwpUBfGBAfbQO5u2I_c"}],"product":{"brand":"Fosi Audio-UK","evidence_url":"https://mainbuyer.com/evidence/products/fosi-audio-ds3-usb-c-dac-amp-dongle-portable-headphone-amplifier-with-gaming-7-1-spatial-audio-es9039q2m-xmos-powered-dsd512-3-5mm-single-4-4mm-balanced-hifi-amps-for-pc-phone-b0gl7nr7f5/prices","gtin":null,"id":22525,"model_number":null,"name":"Fosi Audio DS3 USB-C DAC Amp Dongle, Portable Headphone Amplifier with Gaming 7.1 Spatial Audio, ES9039Q2M XMOS POWERED, DSD512, 3.5mm Single 4.4mm Balanced, Hifi Amps for PC/Phone/PS5/Switc","product_url":"https://mainbuyer.com/product/fosi-audio-ds3-usb-c-dac-amp-dongle-portable-headphone-amplifier-with-gaming-7-1-spatial-audio-es9039q2m-xmos-powered-dsd512-3-5mm-single-4-4mm-balanced-hifi-amps-for-pc-phone-b0gl7nr7f5","urn":"MB-AWIN-GB-B0GL7NR7F5"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"99.00","historical_low":"99.00","last_observed_at":"2026-11-11T04:11:10+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":"2026-11-11T04:11:10+00:00"}}