{
  "schema_version": 1,
  "projection": "envoy-agent-v1",
  "identity": {
    "title": "GRACE DESIGN m905 — Monitor Controller",
    "brand": "GRACE DESIGN",
    "model": "m905",
    "mpn": null,
    "gtins": null,
    "handle": "ca-grace-design-m905-12f26e09dd",
    "url": "https://envoy-music.myshopify.com/products/ca-grace-design-m905-12f26e09dd",
    "catalog_product_id": "catalog:f4723ffde54b",
    "lane": "studio",
    "product_object": "stereo monitor controller"
  },
  "offer": {
    "price": 5745.0,
    "currency": "CAD",
    "available": true,
    "condition": "Brand New",
    "price_band": "high",
    "source_verified_at": "2026-07-10T23:56:52Z"
  },
  "specifications": {"category":"studio","subcategory":"studio","category_path":"studio","groups":[{"id":"format_and_control","label":"Format and Control","fields":[{"key":"product_type","label":"Product type","value":"Stereo monitor controller with DAC, headphone amplifier and remote control unit","display":"Stereo monitor controller with DAC, headphone amplifier and remote control unit","source":"Grace Design m905 product page","confidence":0.9},{"key":"mainframe","label":"Mainframe","value":"2U rackmount mainframe with separate hardware\/GUI remote control unit","display":"2U rackmount mainframe with separate hardware\/GUI remote control unit","source":"Grace Design m905 product page and Vintage King listing","confidence":0.9},{"key":"level_control","label":"Level control","value":"0.5 dB stepped level control for speakers and headphones","display":"0.5 dB stepped level control for speakers and headphones","source":"Vintage King Grace Design m905 listing","confidence":0.9},{"key":"display","label":"Display","value":"Remote control unit with color graphical LCD, hardware switches and rotary encoder","display":"Remote control unit with color graphical LCD, hardware switches and rotary encoder","source":"Grace Design m905 product page","confidence":0.9}]},{"id":"inputs_and_digital_audio","label":"Inputs and Digital Audio","fields":[{"key":"digital_inputs","label":"Digital inputs","value":"2 x AES3, 1 x S\/PDIF, 1 x TOSLINK, ADAT and USB","display":"2 x AES3, 1 x S\/PDIF, 1 x TOSLINK, ADAT and USB","source":"Grace Design m905 product page","confidence":0.9},{"key":"usb_audio","label":"Usb audio","value":"Asynchronous USB Class 2, up to 24-bit\/192 kHz; can transfer up to 10 digital audio channels","display":"Asynchronous USB Class 2, up to 24-bit\/192 kHz; can transfer up to 10 digital audio channels","source":"Grace Design m905 product page and Vintage King listing","confidence":0.9},{"key":"dsd_support","label":"Dsd support","value":"DSD64 and DSD128 via DoP v1.1 over USB, AES3 or S\/PDIF","display":"DSD64 and DSD128 via DoP v1.1 over USB, AES3 or S\/PDIF","source":"Grace Design m905 product page","confidence":0.9},{"key":"analog_inputs","label":"Analog inputs","value":"Balanced, unbalanced, CUE, talkback mic and optional RIAA phono input; m905 Analog version adds a second balanced input pair","display":"Balanced, unbalanced, CUE, talkback mic and optional RIAA phono input; m905 Analog version adds a second balanced input pair","source":"Grace Design m905 product page","confidence":0.9}]},{"id":"monitoring_outputs","label":"Monitoring Outputs","fields":[{"key":"speaker_outputs","label":"Speaker outputs","value":"3 stereo speaker outputs","display":"3 stereo speaker outputs","source":"Grace Design m905 product page","confidence":0.9},{"key":"sub_outputs","label":"Sub outputs","value":"2 assignable mono sub outputs or 1 stereo sub output","display":"2 assignable mono sub outputs or 1 stereo sub output","source":"Grace Design m905 product page","confidence":0.9},{"key":"headphone_outputs","label":"Headphone outputs","value":"Reference headphone amplifier outputs on RCU and ACU","display":"Reference headphone amplifier outputs on RCU and ACU","source":"Grace Design m905 product page","confidence":0.9},{"key":"digital_outputs","label":"Digital outputs","value":"Digital loop-thru outputs can pass incoming digital signals or act as digital speaker outputs for PCM sources","display":"Digital loop-thru outputs can pass incoming digital signals or act as digital speaker outputs for PCM sources","source":"Grace Design m905 product page","confidence":0.9}]},{"id":"physical","label":"Physical","fields":[{"key":"dimensions","label":"Dimensions","value":"Main chassis 3.5 x 10.5 x 17 in; remote 8.9 x 5.1 x 2.2 in","display":"Main chassis 3.5 x 10.5 x 17 in; remote 8.9 x 5.1 x 2.2 in","source":"Front End Audio and Vintage King m905 listings","confidence":0.7},{"key":"weight","label":"Weight","value":"Main chassis 7.8 lb; remote 2.2 lb","display":"Main chassis 7.8 lb; remote 2.2 lb","source":"Vintage King m905 listing","confidence":0.7}]}]},
  "connectivity": ["usb","adat","spdif","phono"],
  "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": "Stereo mastering and mix rooms needing a high-resolution monitor controller with DAC, detailed source routing, subwoofer control, headphone monitoring and calibrated remote operation.",
    "who_should_skip": "Users needing immersive\/surround monitor control beyond stereo\/sub formats, a compact desktop-only controller, or analog-only operation unless choosing the m905 Analog variant.",
    "fit_notes": "Plan for 2U rack space plus remote-cable routing; verify whether the unit is the digital m905 or m905 Analog and whether the optional RIAA phono module is installed.",
    "watchouts": "GTIN was not found in accessible sources; MPN and physical data came from retailer listings rather than the manufacturer page.",
    "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": "m905 is a recording and studio product represented by 1 current Canadian retailer offer, starting at 5745.00 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": "GRACE DESIGN m905. visible colors: black, silver, green, white. visible controls: buttons, knobs. panel text: m905; REFERENCE MONITOR CONTROLLER; GRACE DESIGN USA; GRACE; SPEAKERS 3; MUTE; SUB MUTE; SETUP; SPEAKERS 2; DIM; MONO; NON \u003e CUE.",
    "intent_terms": ["studio","home_recording","content_creation","signal_chain","m905","GRACE DESIGN","Monitoring Controls","verified retail listing","recording and studio product","home recording","content creation","signal chain"],
    "use_cases": ["studio-recording","home-recording"],
    "skill_level": "pro"
  },
  "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": {"specifications":{"source_url":"https:\/\/gracedesign.com\/products\/monitor-controllers\/m905\/","method":"gear_universe_read_model","fetched":"2026-07-21"}}
  },
  "related": {
    "similar_item_ids": [],
    "comparison_reasons": ["source_count:1","lane:studio","verified retail listing_reference"]
}
}