{
  "schema_version": 1,
  "projection": "envoy-agent-v1",
  "identity": {
    "title": "Roland SP-404MkII 2021 - Present - Gray",
    "brand": "Roland",
    "model": null,
    "mpn": null,
    "gtins": null,
    "handle": "gm-roland-sp-404mkii-roland-sp-404mkii-2021-present-gray-435304f2",
    "url": "https://envoy-music.myshopify.com/products/gm-roland-sp-404mkii-roland-sp-404mkii-2021-present-gray-435304f2",
    "catalog_product_id": "reverb_listing:95552226",
    "lane": "production",
    "product_object": "sampler"
  },
  "offer": {
    "price": 685.0,
    "currency": "CAD",
    "available": true,
    "condition": "Excellent",
    "price_band": "mid",
    "source_verified_at": null
  },
  "specifications": {"groups":[{"id":"sampling","label":"Sampling \u0026 Sequencing","fields":[{"key":"pads","label":"Pads","value":17,"unit":"","display":"17 velocity-sensitive RGB (+1 sub)","filterable":false,"source":"https:\/\/www.roland.com\/us\/products\/sp-404mk2\/specifications\/","confidence":0.98},{"key":"polyphony","label":"Polyphony","value":32,"unit":"voices","display":"32 voices","filterable":false,"source":"https:\/\/www.roland.com\/us\/products\/sp-404mk2\/specifications\/","confidence":0.98},{"key":"sampling_format","label":"Sampling format","value":"16-bit\/48kHz","unit":"","display":"16-bit linear \/ 48 kHz","filterable":false,"source":"https:\/\/www.roland.com\/us\/products\/sp-404mk2\/specifications\/","confidence":0.98},{"key":"max_sampling_time","label":"Max sampling time","value":16,"unit":"min","display":"16 minutes","filterable":false,"source":"https:\/\/www.roland.com\/us\/products\/sp-404mk2\/specifications\/","confidence":0.95},{"key":"internal_storage","label":"Internal storage","value":16,"unit":"GB","display":"16 GB","filterable":false,"source":"https:\/\/www.roland.com\/us\/products\/sp-404mk2\/specifications\/","confidence":0.98},{"key":"sequencer","label":"Sequencer","value":"pattern","unit":"","display":"Pattern sequencer, 1–64 bars","filterable":false,"source":"https:\/\/www.roland.com\/us\/products\/sp-404mk2\/specifications\/","confidence":0.95},{"key":"effects","label":"Effects","value":"41+17","unit":"","display":"41 multi-FX + 17 input FX","filterable":false,"source":"https:\/\/www.roland.com\/us\/products\/sp-404mk2\/specifications\/","confidence":0.95},{"key":"display","label":"Display","value":"OLED","unit":"","display":"Graphic OLED","filterable":false,"source":"https:\/\/www.roland.com\/us\/products\/sp-404mk2\/specifications\/","confidence":0.95}]},{"id":"io","label":"Connectivity","fields":[{"key":"analog_in","label":"Analog inputs","value":"line+mic\/guitar","unit":"","display":"Line (1\/4\"), Mic\/Guitar (1\/4\")","filterable":false,"source":"https:\/\/www.roland.com\/us\/products\/sp-404mk2\/specifications\/","confidence":0.95},{"key":"analog_out","label":"Analog outputs","value":"line","unit":"","display":"Line out (1\/4\" TRS, L\/Mono+R)","filterable":false,"source":"https:\/\/www.roland.com\/us\/products\/sp-404mk2\/specifications\/","confidence":0.95},{"key":"headphone","label":"Headphone out","value":"1\/4+1\/8","unit":"","display":"1\/4\" + 1\/8\" stereo","filterable":false,"source":"https:\/\/www.roland.com\/us\/products\/sp-404mk2\/specifications\/","confidence":0.95},{"key":"midi","label":"MIDI I\/O","value":"in\/out","unit":"","display":"In\/Out (mini TRS)","filterable":false,"source":"https:\/\/www.roland.com\/us\/products\/sp-404mk2\/specifications\/","confidence":0.95},{"key":"usb","label":"USB","value":"USB-C","unit":"","display":"USB-C (audio + MIDI)","filterable":true,"source":"https:\/\/www.roland.com\/us\/products\/sp-404mk2\/specifications\/","confidence":0.98}]},{"id":"power","label":"Power","fields":[{"key":"power_source","label":"Power source","value":"AC\/USB\/battery","unit":"","display":"AC adaptor, USB bus, 6× AA","filterable":false,"source":"https:\/\/www.roland.com\/us\/products\/sp-404mk2\/specifications\/","confidence":0.95}]},{"id":"physical","label":"Physical","fields":[{"key":"dimensions","label":"Dimensions (W×D×H)","value":"177.5×275.8×70.5","unit":"mm","display":"177.5 × 275.8 × 70.5 mm","filterable":false,"source":"https:\/\/www.roland.com\/us\/products\/sp-404mk2\/specifications\/","confidence":0.98},{"key":"weight","label":"Weight","value":1.1,"unit":"kg","display":"1.1 kg","filterable":false,"source":"https:\/\/www.roland.com\/us\/products\/sp-404mk2\/specifications\/","confidence":0.98}]}]},
  "connectivity": ["usb","midi","trs"],
  "power": null,
  "included_items": null,
  "required_accessories": null,
  "optional_accessories": null,
  "compatibility": null,
  "advisor": {
    "best_for": null,
    "who_should_skip": null,
    "fit_notes": null,
    "watchouts": null,
    "verification_questions": null
  },
  "retrieval": {
    "summary": null,
    "agent_summary": null,
    "intent_terms": null,
    "use_cases": ["home-recording","studio-recording","live-performance","sound-design"],
    "skill_level": "intermediate"
  },
  "trust": {
    "has_verified_retail_listing": false,
    "source_count": 0,
    "source_tier_mix": null,
    "evidence_flags": null,
    "spec_provenance": {"specifications":{"source_url":"https:\/\/www.roland.com\/us\/products\/sp-404mk2\/specifications\/","method":"manufacturer_datasheet","fetched":"2026-07-19"}}
  },
  "related": {
    "similar_item_ids": null,
    "comparison_reasons": null
}
}