{
  "schema_version": 1,
  "projection": "envoy-agent-v1",
  "identity": {
    "title": "Walrus Audio Canvas Tuner",
    "brand": "Walrus Audio",
    "model": "CANVAS TUNER",
    "mpn": null,
    "gtins": null,
    "handle": "ca-walrus-audio-walrus-audio-canvas-tuner-7124d55418",
    "url": "https://envoy-music.myshopify.com/products/ca-walrus-audio-walrus-audio-canvas-tuner-7124d55418",
    "catalog_product_id": "catalog:05e0fb445267",
    "lane": "pedals",
    "product_object": "pedalboard tuner"
  },
  "offer": {
    "price": 199.0,
    "currency": "CAD",
    "available": true,
    "condition": "Brand New",
    "price_band": "mid",
    "source_verified_at": "2026-07-10T22:12:37Z"
  },
  "specifications": {"power":"9V DC.","power_consumption":"300mA.","category":"parts","subcategory":"parts","category_path":"parts"},
  "connectivity": null,
  "power": null,
  "included_items": null,
  "required_accessories": ["model-appropriate mounting hardware","installation tools or qualified technician"],
  "optional_accessories": null,
  "compatibility": null,
  "advisor": {
    "best_for": null,
    "who_should_skip": null,
    "fit_notes": "Best suited to a repair or custom-build project with known dimensions and compatibility requirements.\n\nWho it is for: Builders and repair buyers who can verify fit, measurements, mounting pattern, and required installation work.\n\nWho should skip it: Skip it if the target instrument, dimensions, or installation requirements have not been confirmed.",
    "watchouts": null,
    "verification_questions": ["What exact dimensions, mounting pattern, and model compatibility does this part support?","Is all required mounting hardware included?","Does installation require routing, drilling, soldering, or other irreversible work?","Is the item still in stock at the displayed price, and what is the complete delivered cost to the intended destination?"]
  },
  "retrieval": {
    "summary": "Walrus Audio Canvas Tuner is a repair, replacement, or custom-build part represented by 1 current Canadian retailer offer, starting at 199.00 CAD. Best suited to a repair or custom-build project with known dimensions and compatibility requirements. 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 if the target instrument, dimensions, or installation requirements have not been confirmed.",
    "agent_summary": "The Walrus Audio Canvas Tuner is a pedalboard tuner with a 20 Hz–20 kHz frequency response and ±0.1 cent tuning accuracy. It has a 2.8-inch TFT display, selectable screen orientations, six tuning modes, and reference-pitch adjustment from 390 Hz to 490 Hz. The pedal offers true-bypass, buffered-bypass, monitor, and pass-through modes; it requires 9 V DC center-negative power at 300 mA and has a 1 MΩ input impedance.",
    "intent_terms": ["parts","repair","custom_build","upgrade","Walrus Audio Canvas Tuner","Walrus Audio","Pedals","Electric Mojo Guitars","repair, replacement, or custom-build part","custom build"],
    "use_cases": ["live-performance","practice","studio-recording"],
    "skill_level": "any"
  },
  "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:parts","verified retail listing_reference"]
}
}