{
  "schema_version": 1,
  "projection": "envoy-agent-v1",
  "identity": {
    "title": "Boss DR-550 Dr. Rhythm 1989-1991 - Black",
    "brand": "Boss",
    "model": null,
    "mpn": null,
    "gtins": null,
    "handle": "gm-boss-dr-550-dr-rhythm-boss-dr-550-dr-rhythm-1989-1991-black-0d9ce083",
    "url": "https://envoy-music.myshopify.com/products/gm-boss-dr-550-dr-rhythm-boss-dr-550-dr-rhythm-1989-1991-black-0d9ce083",
    "catalog_product_id": "product_e6ee96400d9ce083",
    "lane": "production",
    "product_object": "drum machines"
  },
  "offer": {
    "price": 179.89,
    "currency": "CAD",
    "available": true,
    "condition": "Fair",
    "price_band": "entry",
    "source_verified_at": null
  },
  "specifications": {"category":"Keyboards and Synths","subcategory":"Drum Machines","category_path":"Keyboards and Synths \/ Drum Machines"},
  "connectivity": null,
  "power": null,
  "included_items": null,
  "required_accessories": ["keyboard stand","sustain pedal","headphones or amp"],
  "optional_accessories": null,
  "compatibility": null,
  "advisor": {
    "best_for": null,
    "who_should_skip": null,
    "fit_notes": "Best suited to beginners or budget-constrained shoppers building a first usable rig.\n\nWho it is for: Players building a first keyboards and synths setup with limited budget and a need for obvious, low-friction value.\n\nWho should skip it: Skip it if you need advanced feature depth, tour-grade reliability, or a fully pro-ready setup out of the gate.",
    "watchouts": null,
    "verification_questions": ["Can you confirm exactly what is included in the sale and show it in current photos?","Are there any functional issues, repairs, or missing parts not shown in the listing?","Can you provide close-up photos of wear points, serial numbers, and any modifications?","Can you confirm the core specs that matter for compatibility in this setup?","Is this still available and has anything changed since the listing was posted?"]
  },
  "retrieval": {
    "summary": "Boss DR-550 Dr. Rhythm 1989-1991 - Black. Boss. DR-550 Dr. Rhythm. Keyboards and Synths. Keyboards and Synths \/ Drum Machines. available from reverb. price range 131.31 USD. condition Fair. Boss DR-550 Dr. Rhythm — a compact and classic drum machine from the late ’80s, good working condition, some scratches on the device (see images). Boss DR-550 Dr. Rhythm 1989-1991 - Black. Boss. DR-550 Dr. Rhythm. Black. Fair. Keyboards and Synths. Keyboards and Synths \/ Drum Machines. Boss DR-550 Dr. Rhythm — a compact and classic drum machine from the late ’80s, good working condition, some scratches on the device (see images). GetOutGear. Berlin, Germany. tags source:reverb family:keyboards_and_synths listing_status:live brand:boss model:dr_550_dr_rhythm category:keyboards_and_synths_drum_machines price_band:entry segment:beginner condition:fair has:photos",
    "agent_summary": "Boss DR-550 Dr. Rhythm is a beginner-friendly keyboards and synths listing with marketplace-sourced data. Boss DR-550 Dr. Rhythm 1989-1991 - Black currently sits around 131.31 USD. Boss DR-550 Dr. Marketplace data is richer on listing context, but it needs more buyer verification. Good visual coverage for spot-checking the item. Marketplace listing quality varies by seller, so condition and included items still need verification.",
    "intent_terms": ["Boss DR-550 Dr. Rhythm 1989-1991 - Black","Boss","DR-550 Dr. Rhythm","Keyboards and Synths","Keyboards and Synths \/ Drum Machines","brand:boss","category:keyboards_and_synths_drum_machines","condition:fair","family:keyboards_and_synths","has:photos","listing_status:live","model:dr_550_dr_rhythm","price_band:entry","segment:beginner","source:reverb","brand boss","category keyboards and synths drum machines","condition fair","family keyboards and synths","has photos","listing status live","model dr 550 dr rhythm","price band entry","segment beginner","source reverb","practice","starter-rig","live-performance","tone-shaping","GetOutGear","Best suited to beginners or budget-constrained shoppers building a first usable rig.","Players building a first keyboards and synths setup with limited budget and a need for obvious","low-friction value."],
    "use_cases": ["practice","home-recording"],
    "skill_level": "beginner"
  },
  "trust": {
    "has_verified_retail_listing": true,
    "source_count": 1,
    "source_tier_mix": ["marketplace"],
    "evidence_flags": {"has_description":true,"has_images":true,"has_reviews":false,"has_specs":false,"source_count":1},
    "spec_provenance": null
  },
  "related": {
    "similar_item_ids": ["product_668c4405a144b7a0","product_5868134095a9c559","product_39f6e4b62065042c","product_a51d5c9c5f7d6ca6"],
    "comparison_reasons": ["source_count:1","family:Keyboards and Synths","marketplace_only","identity_confidence:0.9"]
}
}