{
  "schema_version": 1,
  "projection": "envoy-agent-v1",
  "identity": {
    "title": "M-Audio Prokeys 88SX",
    "brand": "M-Audio",
    "model": null,
    "mpn": null,
    "gtins": null,
    "handle": "gm-m-audio-prokeys-88sx-m-audio-prokeys-88sx-8d4f8502",
    "url": "https://envoy-music.myshopify.com/products/gm-m-audio-prokeys-88sx-m-audio-prokeys-88sx-8d4f8502",
    "catalog_product_id": "product_4456afcf8d4f8502",
    "lane": "production",
    "product_object": null
  },
  "offer": {
    "price": 137.0,
    "currency": "CAD",
    "available": true,
    "condition": "Good",
    "price_band": "entry",
    "source_verified_at": null
  },
  "specifications": {"category":"Keyboards and Synths","subcategory":"Keyboards and Synths","category_path":"Keyboards and Synths"},
  "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": "M-Audio Prokeys 88SX. M-Audio. Prokeys 88SX. Keyboards and Synths. Keyboards and Synths. available from reverb. price range 100 USD. condition Good. 88-note velocity-sensitive, semi-weighted action. 7 premium sounds accessed via dedicated buttons. 126-note maximum polyphony. Reverb and chorus effects. Pitch bend and modulation wheels. Volume\/assignable control slider. Sustain, sostenuto and expression pedal inputs. Stereo 1\/4\" audio outputs. 2 stereo 1\/4\" headphone outputs on front. E-2 Key is raised higher than the others (pictured). Used. Good Condition.. M-Audio Prokeys 88SX. M-Audio. Prokeys 88SX. . Good. Keyboards and Synths. Keyboards and Synths. 88-note velocity-sensitive, semi-weighted action. 7 premium sounds accessed via dedicated buttons. 126-note maximum polyphony. Reverb and chorus effects. Pitch bend and modulation wheels. Volume\/assignable control slider. Sustain, sostenuto and expression pedal inputs. Stereo 1\/4\" audio outputs. 2 stereo 1\/4\" headphone outputs on front. E-2 Key is raised higher than the others (pictured). Used. Good Condition.. Dave's Guitar Shop. La Crosse, WI, United States. tags source:reverb family:keyboards_and_synths listing_status:live brand:m_audio model:prokeys_88sx category:keyboards_and_synths price_band:entry segment:beginner condition:good has:photos",
    "agent_summary": "M-Audio Prokeys 88SX is a beginner-friendly keyboards and synths listing with marketplace-sourced data. M-Audio Prokeys 88SX currently sits around 100 USD. 88-note velocity-sensitive, semi-weighted action. 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": ["M-Audio Prokeys 88SX","M-Audio","Prokeys 88SX","Keyboards and Synths","brand:m_audio","category:keyboards_and_synths","condition:good","family:keyboards_and_synths","has:photos","listing_status:live","model:prokeys_88sx","price_band:entry","segment:beginner","source:reverb","brand m audio","category keyboards and synths","condition good","family keyboards and synths","has photos","listing status live","model prokeys 88sx","price band entry","segment beginner","source reverb","practice","starter-rig","live-performance","tone-shaping","piano-practice","Dave's Guitar Shop","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": null,
    "skill_level": null
  },
  "trust": {
    "has_verified_retail_listing": true,
    "source_count": 2,
    "source_tier_mix": ["marketplace"],
    "evidence_flags": {"has_description":true,"has_images":true,"has_reviews":false,"has_specs":false,"source_count":2},
    "spec_provenance": null
  },
  "related": {
    "similar_item_ids": ["product_b7f581676a12e4d8","product_287c5f1c1c9a80e8"],
    "comparison_reasons": ["source_count:2","family:Keyboards and Synths","marketplace_only","identity_confidence:0.9"]
}
}