{
  "schema_version": 1,
  "projection": "envoy-agent-v1",
  "identity": {
    "title": "SHURE BETA 57A — Microphone",
    "brand": "SHURE",
    "model": "BETA 57A",
    "mpn": null,
    "gtins": null,
    "handle": "ca-shure-beta-57a-30ed7aedb6",
    "url": "https://envoy-music.myshopify.com/products/ca-shure-beta-57a-30ed7aedb6",
    "catalog_product_id": "catalog:e0ae562c4259",
    "lane": "studio",
    "product_object": "dynamic microphone"
  },
  "offer": {
    "price": 215.0,
    "currency": "CAD",
    "available": true,
    "condition": "Brand New",
    "price_band": "entry",
    "source_verified_at": "2026-07-10T23:56:52Z"
  },
  "specifications": {"category":"studio","subcategory":"studio","category_path":"studio"},
  "connectivity": null,
  "power": null,
  "included_items": null,
  "required_accessories": ["appropriate audio and data cables","compatible monitoring, mounting, or power setup"],
  "optional_accessories": null,
  "compatibility": null,
  "advisor": {
    "best_for": null,
    "who_should_skip": null,
    "fit_notes": "Best suited to buyers who can place it within a known recording, monitoring, or signal-routing workflow.\n\nWho it is for: Home, project, and professional studio buyers comparing a specific recording or monitoring role.\n\nWho should skip it: Skip it until computer, operating-system, I\/O, cabling, mounting, and room requirements are confirmed.",
    "watchouts": null,
    "verification_questions": ["Which connections, drivers, operating systems, and sample rates are supported by this exact revision?","What cables, mounts, power supplies, or licenses are included?","Is the current retailer listing new stock, demo stock, open box, or special order?","Is the item still in stock at the displayed price, and what is the complete delivered cost to the intended destination?"]
  },
  "retrieval": {
    "summary": "BETA 57A is a recording and studio product represented by 1 current Canadian retailer offer, starting at 215.00 CAD. Best suited to buyers who can place it within a known recording, monitoring, or signal-routing workflow. EnvoyMusic has verified the source price and availability signal, but has not independently verified every technical specification or US fulfillment detail. This is an verified retail listing reference, not inventory stocked or fulfilled by EnvoyMusic. Retailer price and availability can change; recheck the source before making a purchase decision. Skip it until computer, operating-system, I\/O, cabling, mounting, and room requirements are confirmed.",
    "agent_summary": "The Shure BETA 57A is a dynamic moving-coil instrument microphone with a supercardioid pattern. Shure specifies a 50 Hz–16 kHz frequency response, 290 Ω output impedance, −51 dBV\/Pa sensitivity, and a three-pin balanced XLR connector. Its hardened steel-mesh grille and shock-mount system are intended for live sound and studio use around amplified or acoustic instruments, including high-SPL sources.",
    "intent_terms": ["studio","home_recording","content_creation","signal_chain","BETA 57A","SHURE","Dynamic Microphones","verified retail listing","recording and studio product","home recording","content creation","signal chain"],
    "use_cases": ["live-performance","studio-recording"],
    "skill_level": "intermediate"
  },
  "trust": {
    "has_verified_retail_listing": true,
    "source_count": 1,
    "source_tier_mix": ["retailer"],
    "evidence_flags": {"external_inventory":true,"source_availability":true,"source_price":true,"source_url":true,"structured_specs":false},
    "spec_provenance": null
  },
  "related": {
    "similar_item_ids": [],
    "comparison_reasons": ["source_count:1","lane:studio","verified retail listing_reference"]
}
}