{ "schema_version": 1, "projection": "envoy-agent-v1", "identity": { "title": "GRACE DESIGN m905 (Black) — Monitor Controller", "brand": "GRACE DESIGN", "model": "m905", "mpn": null, "gtins": null, "handle": "ca-grace-design-m905-black-82c151d698", "url": "https://envoy-music.myshopify.com/products/ca-grace-design-m905-black-82c151d698", "catalog_product_id": "catalog:02a7302dac22", "lane": "studio", "product_object": "monitor controller" }, "offer": { "price": 5937.0, "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":"controller_type","label":"Controller type","value":"Stereo monitor controller with 2U rack mainframe and remote control unit","display":"Stereo monitor controller with 2U rack mainframe and remote control unit","source":"Grace Design m905 product page","confidence":0.9},{"key":"level_control","label":"Level control","value":"0.5 dB speaker and headphone level steps","display":"0.5 dB speaker and headphone level steps","source":"Grace Design m905 product page","confidence":0.9},{"key":"remote_display","label":"Remote display","value":"Remote control unit with hardware switches, rotary encoder and graphical LCD","display":"Remote control unit with hardware switches, rotary encoder and graphical LCD","source":"Grace Design m905 product page","confidence":0.9},{"key":"monitor_functions","label":"Monitor functions","value":"Mono, dim, mute, sub mute, SPL meter and talkback microphone","display":"Mono, dim, mute, sub mute, SPL meter and talkback microphone","source":"Grace Design m905 product page","confidence":0.9}]},{"id":"inputs_and_outputs","label":"Inputs and 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":"analog_inputs","label":"Analog inputs","value":"Balanced, unbalanced or optional RIAA phono, cue and talkback inputs","display":"Balanced, unbalanced or optional RIAA phono, cue and talkback inputs","source":"Grace Design m905 product page","confidence":0.9},{"key":"digital_inputs","label":"Digital inputs","value":"2 AES3, S\/PDIF, TOSLINK, ADAT and USB","display":"2 AES3, S\/PDIF, TOSLINK, ADAT and USB","source":"Grace Design m905 product page","confidence":0.9},{"key":"digital_outputs","label":"Digital outputs","value":"Digital loop-through outputs usable as pass-through or digital speaker output for PCM sources","display":"Digital loop-through outputs usable as pass-through or digital speaker output for PCM sources","source":"Grace Design m905 product page","confidence":0.9}]},{"id":"digital_audio","label":"Digital Audio","fields":[{"key":"usb_audio","label":"Usb audio","value":"Asynchronous Class 2 USB playback up to 24-bit\/192 kHz","display":"Asynchronous Class 2 USB playback up to 24-bit\/192 kHz","source":"Grace Design m905 product page","confidence":0.9},{"key":"dsd_support","label":"Dsd support","value":"DSD64 and DSD128 via DoP v1.1 from AES3, S\/PDIF or USB sources","display":"DSD64 and DSD128 via DoP v1.1 from AES3, S\/PDIF or USB sources","source":"Grace Design m905 product page","confidence":0.9},{"key":"clocking","label":"Clocking","value":"s-Lock dual-stage PLL clock regeneration","display":"s-Lock dual-stage PLL clock regeneration","source":"Grace Design m905 product page","confidence":0.9}]}]}, "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": "Studios needing a central stereo monitor controller with calibrated speaker switching, integrated talkback\/SPL tools and digital plus analog source routing.", "who_should_skip": "Users needing surround monitor control, a low-cost passive controller or a controller without rack hardware.", "fit_notes": "Plan for a 2U rack main chassis plus desktop space for the remote; the black finish does not change the listed m905 functional specifications.", "watchouts": "Black-finish MPN and GTIN were not verified in accessible manufacturer documentation.", "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 (Black) is a recording and studio product represented by 1 current Canadian retailer offer, starting at 5937.00 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 m905. visible colors: black, green, white, gray. visible controls: knobs, buttons, toggle switch. panel text: m905; REFERENCE MONITOR CONTROLLER; GRACE DESIGN USA; GRACE; SPEAKER 1; SPEAKER 2; MUTE; SUB MUTE; SILENCE; VOLUME; MODE; AUX 1 CUE.", "intent_terms": ["studio","home_recording","content_creation","signal_chain","m905 (Black)","GRACE DESIGN","Monitoring Controls","verified retail listing","recording and studio product","home recording","content creation","signal chain"], "use_cases": ["studio-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"] } }