{"meta":{"api_version":"v1","schema_version":"product-evidence-report-v1.0","evidence_checked_at":"2026-07-29T17:17:15.937Z","report_scope":"ranked_comparison_only","purchase_advice_supported":false,"warning":"This evidence report separates a specification-ranked comparison from optional hands-on synthesis. Missing review evidence remains missing."},"data":{"schema_version":"product-evidence-report-v1.0","status":"evidence_profile","report_scope":"ranked_comparison_only","product":{"id":"prd-wireless-earbuds-a3954g11","slug":"soundcore-a3954g11","name":"soundcore Liberty 4 Pro | Noise Cancelling Earbuds with Touch-Bar and Display","brand":"Soundcore","model":"A3954G11","category":"wireless-earbuds","market":"GB"},"evidence_checked_at":"2026-07-29T17:17:15.937Z","category_profile":{"schema_version":"product-report-category-profile-v1.0","category":"wireless-earbuds","primary_topic":"sound_and_tuning","critical_topics":[{"key":"sound_and_tuning","label":"Sound and tuning","evidence_needed":"Hands-on listening or controlled measurements covering tonal balance, detail, distortion, dynamics and the effect of EQ or codec settings."},{"key":"comfort_and_fit","label":"Comfort and fit","evidence_needed":"Extended wear across disclosed ear and tip contexts, with seal stability retained."},{"key":"noise_control_or_awareness","label":"Noise control and awareness","evidence_needed":"Controlled or directly comparable ANC, passive isolation and transparency evidence."},{"key":"microphone_quality","label":"Microphone quality","evidence_needed":"Call or recording tests across quiet, wind and background-noise conditions."},{"key":"battery_and_charging","label":"Battery and charging","evidence_needed":"Timed earbud battery tests with ANC, codec, volume and recharge conditions."},{"key":"controls_connectivity_and_app","label":"Controls, connectivity and app","evidence_needed":"Hands-on evidence on control reliability, multipoint, codec support, latency and app behaviour."},{"key":"durability_and_long_term","label":"Durability and long-term use","evidence_needed":"Extended-use evidence covering faults, battery ageing, water resistance and serviceability."}],"hands_on_evidence_gate":"Resolve the exact model. Record firmware as identified only when disclosed, otherwise not_disclosed; firmware-dependent claims remain unavailable. At least one source must provide method-transparent sound evidence, and the report must contain a dedicated sound section. Without that, no overall audio-quality verdict is supported.","conditions_to_retain":["Exact model, firmware status, app version and market","Ear tip, seal and listener fit context","Codec, source device, EQ, ANC and volume","Listening material or measurement method","Call, wind, battery and long-term test conditions"],"prohibited_inferences":["Do not turn a manufacturer or retailer claim into tested performance.","Do not treat related publications, mirrors or repeated claims as independent corroboration.","Do not fill an unreviewed topic with a neutral result.","Do not use an LLM verdict, numeric estimate or commercial outcome to alter the specification rank.","Do not issue purchase advice while the product evidence profile retains a blocking gap.","Do not allow case capacity, battery life or feature count to dominate an overall audio-quality judgement."]},"evidence_coverage":{"exact_identity_resolved":true,"official_source_present":true,"official_source_count":1,"independent_editorial_source_count":0,"owner_review_pool_count":0,"retailer_observation_count":1,"required_retailer_observation_count":2,"controlled_measurement_count":0,"claim_level_trace_status":"not_modelled","human_second_person_review":"not_completed"},"hands_on_review":{"status":"available","available":true,"profile_alignment":"category_aligned","verdict_band":"good_with_compromises","confidence":"moderate","overall_assessment":"Three independent hands-on reviews establish a feature-rich, comfortable earbud with effective but not class-leading noise control, useful app flexibility, and generally capable calls. The central sound evidence is sharply divided; from measured/preference-curve-aligned and bass-forward to bass-light, muddy, and under-detailed; so suitability depends unusually heavily on listener preferences and willingness to tune it.","source_count":3,"independent_publisher_group_count":3,"generated_at":"2026-07-30T11:11:22.558Z","critical_topic_coverage":[{"topic":"sound_and_tuning","label":"Sound and tuning","status":"conflicted","summary":"SoundGuys found a bass-emphasized default that otherwise tracks its preference curve closely and reported strong listener-model scores; Digital Trends heard bold bass and detailed highs. Tom's Guide instead found bass largely absent, speech muddy, and customization ineffective or detrimental. These incompatible listening outcomes should not be averaged.","source_ids":["liberty4pro-soundguys","liberty4pro-digitaltrends","liberty4pro-tomsguide"],"evidence_ids":["liberty4pro-soundguys:p038","liberty4pro-soundguys:p044","liberty4pro-digitaltrends:p021","liberty4pro-digitaltrends:p022","liberty4pro-tomsguide:p037","liberty4pro-tomsguide:p039"]},{"topic":"comfort_and_fit","label":"Comfort and fit","status":"supported","summary":"All direct fit reports are broadly positive on comfort, aided by multiple tip sizes, but two reviewers noted less-secure/stable feel or eventual itchiness.","source_ids":["liberty4pro-soundguys","liberty4pro-tomsguide","liberty4pro-digitaltrends"],"evidence_ids":["liberty4pro-soundguys:p012","liberty4pro-tomsguide:p025","liberty4pro-tomsguide:p026","liberty4pro-digitaltrends:p015","liberty4pro-digitaltrends:p016"]},{"topic":"noise_control_or_awareness","label":"Noise control and awareness","status":"conflicted","summary":"Measured low-frequency ANC reduction was about 30 dB and SoundGuys found city traffic greatly subdued. Digital Trends found ANC very good but variable, while Tom's Guide found it inadequate for cars and moderate-to-high noise. Transparency awareness is strong in SoundGuys' experience but Digital Trends found the user's own voice less natural.","source_ids":["liberty4pro-soundguys","liberty4pro-digitaltrends","liberty4pro-tomsguide"],"evidence_ids":["liberty4pro-soundguys:p031","liberty4pro-soundguys:p032","liberty4pro-soundguys:p033","liberty4pro-digitaltrends:p029","liberty4pro-digitaltrends:p030","liberty4pro-digitaltrends:p034","liberty4pro-tomsguide:p048"]},{"topic":"microphone_quality","label":"Microphone quality","status":"supported","summary":"Call pickup is consistently described as clear and effective at reducing surrounding distraction, although Tom's Guide disliked the earbuds' thin playback for the wearer during calls.","source_ids":["liberty4pro-soundguys","liberty4pro-tomsguide","liberty4pro-digitaltrends"],"evidence_ids":["liberty4pro-soundguys:p058","liberty4pro-tomsguide:p042","liberty4pro-tomsguide:p043","liberty4pro-digitaltrends:p035"]},{"topic":"battery_and_charging","label":"Battery and charging","status":"supported","summary":"The strongest battery evidence is SoundGuys' 5-hour-42-minute ANC-on test. Tom's Guide experienced roughly seven hours, while total-runtime and five-minute fast-charge figures elsewhere are manufacturer claims rather than independent verification.","source_ids":["liberty4pro-soundguys","liberty4pro-tomsguide","liberty4pro-digitaltrends"],"evidence_ids":["liberty4pro-soundguys:p028","liberty4pro-soundguys:p029","liberty4pro-tomsguide:p031","liberty4pro-digitaltrends:p036","liberty4pro-digitaltrends:p038"]},{"topic":"controls_connectivity_and_app","label":"Controls, connectivity and app","status":"conflicted","summary":"The app offers unusually extensive EQ, feature, and control customization, and connectivity was trouble-free in one iPhone test. The case interface and stem controls divide reviewers: responsive/useful to Digital Trends, but impractical or inconsistent to SoundGuys and Tom's Guide.","source_ids":["liberty4pro-soundguys","liberty4pro-digitaltrends","liberty4pro-tomsguide"],"evidence_ids":["liberty4pro-soundguys:p015","liberty4pro-soundguys:p017","liberty4pro-soundguys:p024","liberty4pro-soundguys:p010","liberty4pro-digitaltrends:p011","liberty4pro-tomsguide:p029","liberty4pro-tomsguide:p052","liberty4pro-tomsguide:p053"]},{"topic":"durability_and_long_term","label":"Durability and long-term use","status":"unknown","summary":"IPX5 water resistance is stated, but the corpus contains no credible long-term reliability, wear, repairability, or durability testing.","source_ids":["liberty4pro-soundguys"],"evidence_ids":["liberty4pro-soundguys:p012","liberty4pro-soundguys:p066"]}],"analysis_url":"https://agentreviewdata.com/api/v1/products/soundcore-a3954g11/review-analysis","limitation":"The synthesis is an experimental, source-linked evidence projection. It is not a score input, has not received a second-person review and does not create purchase advice."},"ranked_comparison":{"methodology_version":"wireless-earbuds-v1.1","specification_score":69.8,"category_rank":11,"stress_test_minimum_rank":7,"stress_test_maximum_rank":14,"scenario_count":15,"interpretation":"The score and rank compare retained specification inputs inside this bounded category cohort. They are not a hands-on quality verdict and are not comparable across categories."},"report_outcome":{"purchase_advice_supported":false,"blocker_count":6,"primary_blocker_code":"independent_exact_model_evidence_missing","primary_blocker":"No exact-model independent editorial test is retained.","explanation":"Open evidence gaps block purchase advice regardless of specification score, rank, offer state or review-synthesis verdict."},"links":{"html":"https://agentreviewdata.com/products/soundcore-a3954g11","html_anchor":"https://agentreviewdata.com/products/soundcore-a3954g11#evidence-report","report_json":"https://agentreviewdata.com/api/v1/products/soundcore-a3954g11/evidence-report","readiness_json":"https://agentreviewdata.com/api/v1/products/soundcore-a3954g11/readiness","review_analysis_json":"https://agentreviewdata.com/api/v1/products/soundcore-a3954g11/review-analysis","category_methodology":"https://agentreviewdata.com/methodology#wireless-earbuds"}},"links":{"html":"https://agentreviewdata.com/products/soundcore-a3954g11","html_anchor":"https://agentreviewdata.com/products/soundcore-a3954g11#evidence-report","report_json":"https://agentreviewdata.com/api/v1/products/soundcore-a3954g11/evidence-report","readiness_json":"https://agentreviewdata.com/api/v1/products/soundcore-a3954g11/readiness","review_analysis_json":"https://agentreviewdata.com/api/v1/products/soundcore-a3954g11/review-analysis","category_methodology":"https://agentreviewdata.com/methodology#wireless-earbuds"}}