{
  "schema_version": 1,
  "projection": "envoy-agent-v1",
  "identity": {
    "title": "PSI AUDIO A21M - White — Studio Monitor",
    "brand": "PSI AUDIO",
    "model": "A21M",
    "mpn": "A21M-W",
    "gtins": null,
    "handle": "ca-psi-audio-a21m-white-54e486b828",
    "url": "https://envoy-music.myshopify.com/products/ca-psi-audio-a21m-white-54e486b828",
    "catalog_product_id": "catalog:a4900f3939a9",
    "lane": "studio",
    "product_object": "studio monitor"
  },
  "offer": {
    "price": 5660.0,
    "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","label":"Format","fields":[{"key":"monitor_type","label":"Monitor type","value":"Active 2-way nearfield\/midfield studio monitor, sold singly","display":"Active 2-way nearfield\/midfield studio monitor, sold singly","source":"PSI Audio A21-M product page and B\u0026H A21M-W listing","confidence":0.9},{"key":"finish","label":"Finish","value":"White","display":"White","source":"B\u0026H A21M-W listing","confidence":0.9},{"key":"typical_listening_distance","label":"Typical listening distance","value":"1 to 3 m","display":"1 to 3 m","source":"PSI Audio A21-M product page","confidence":0.9},{"key":"dsp","label":"Dsp","value":"100% analog, no DSP","display":"100% analog, no DSP","source":"PSI Audio A21-M product page","confidence":0.9},{"key":"origin","label":"Origin","value":"Handmade in Switzerland; individually measured and calibrated","display":"Handmade in Switzerland; individually measured and calibrated","source":"PSI Audio A21-M product page","confidence":0.9}]},{"id":"drivers_and_amplification","label":"Drivers and Amplification","fields":[{"key":"system","label":"System","value":"2-way active","display":"2-way active","source":"PSI Audio A21-M product page","confidence":0.9},{"key":"woofer","label":"Woofer","value":"240 mm external diameter woofer; 172 mm diaphragm diameter","display":"240 mm external diameter woofer; 172 mm diaphragm diameter","source":"PSI Audio A21-M product page","confidence":0.9},{"key":"tweeter","label":"Tweeter","value":"100 mm external dimension tweeter; 27 mm diaphragm diameter","display":"100 mm external dimension tweeter; 27 mm diaphragm diameter","source":"PSI Audio A21-M product page","confidence":0.9},{"key":"amplifier_power","label":"Amplifier power","value":"280 W + 45 W potential peak power on PSI page; B\u0026H lists 120 W LF + 50 W HF","display":"280 W + 45 W potential peak power on PSI page; B\u0026H lists 120 W LF + 50 W HF","source":"PSI Audio A21-M product page and B\u0026H A21M-W listing","confidence":0.9},{"key":"crossover_frequency","label":"Crossover frequency","value":"2400 Hz","display":"2400 Hz","source":"PSI Audio A21-M product page","confidence":0.9}]},{"id":"performance","label":"Performance","fields":[{"key":"bandwidth","label":"Bandwidth","value":"38 Hz to 23 kHz at -6 dB","display":"38 Hz to 23 kHz at -6 dB","source":"PSI Audio A21-M product page","confidence":0.9},{"key":"spl_tolerance","label":"Spl tolerance","value":"+\/-2.0 dB","display":"+\/-2.0 dB","source":"PSI Audio A21-M product page","confidence":0.9},{"key":"phase_tolerance","label":"Phase tolerance","value":"+\/-45 degrees from 250 Hz to 20 kHz","display":"+\/-45 degrees from 250 Hz to 20 kHz","source":"PSI Audio A21-M product page","confidence":0.9},{"key":"continuous_max_spl","label":"Continuous max spl","value":"106 dB at 1 m","display":"106 dB at 1 m","source":"PSI Audio A21-M product page","confidence":0.9},{"key":"short_term_max_spl","label":"Short term max spl","value":"110 dB at 1 m","display":"110 dB at 1 m","source":"PSI Audio A21-M product page","confidence":0.9},{"key":"peak_max_spl","label":"Peak max spl","value":"121 dB at 1 m","display":"121 dB at 1 m","source":"PSI Audio A21-M product page","confidence":0.9},{"key":"signal_to_noise","label":"Signal to noise","value":"98 dBA on PSI page; B\u0026H lists 96 dBA","display":"98 dBA on PSI page; B\u0026H lists 96 dBA","source":"PSI Audio A21-M product page and B\u0026H A21M-W listing","confidence":0.9},{"key":"dispersion","label":"Dispersion","value":"80 x 30 degrees (H x V) on PSI page","display":"80 x 30 degrees (H x V) on PSI page","source":"PSI Audio A21-M product page","confidence":0.9}]},{"id":"connectivity_and_power","label":"Connectivity and Power","fields":[{"key":"audio_input","label":"Audio input","value":"1 x XLR female 3-pin balanced input","display":"1 x XLR female 3-pin balanced input","source":"PSI Audio A21-M product page","confidence":0.9},{"key":"input_impedance","label":"Input impedance","value":"10 kohm balanced","display":"10 kohm balanced","source":"B\u0026H A21M-W listing","confidence":0.9},{"key":"power_input","label":"Power input","value":"115 to 230 VAC, 50\/60 Hz","display":"115 to 230 VAC, 50\/60 Hz","source":"B\u0026H A21M-W listing","confidence":0.9},{"key":"power_consumption","label":"Power consumption","value":"1.2 W standby, 5 W idle, 150 W maximum","display":"1.2 W standby, 5 W idle, 150 W maximum","source":"B\u0026H A21M-W listing","confidence":0.9},{"key":"included_items","label":"Included items","value":"Power cord, anti-slippage stickers and individual frequency-response diagram","display":"Power cord, anti-slippage stickers and individual frequency-response diagram","source":"B\u0026H A21M-W listing","confidence":0.9}]}]},
  "connectivity": ["xlr"],
  "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": "Mixing, mastering, broadcast and post-production rooms needing an all-analog, phase-corrected nearfield\/midfield monitor with high output and compact deep-bass extension.",
    "who_should_skip": "Users needing built-in DSP room correction, digital or network inputs, a self-contained stereo pair package, or smaller low-cost desktop monitors.",
    "fit_notes": "Sold per speaker; order two for stereo and feed via balanced XLR. The white finish uses the same A21-M platform as other colorways, so pair matching should be handled by ordering matched units from the dealer\/distributor.",
    "watchouts": "Manufacturer and retailer pages differ on some amplifier\/SPL details; manufacturer specs are prioritized. B\u0026H verified MFR# A21M-W, but the extracted white listing did not expose a UPC\/GTIN.",
    "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": "A21M - White is a recording and studio product represented by 1 current Canadian retailer offer, starting at 5660.00 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": "A21M - White is a recording and studio product represented by 1 current Canadian retailer offer, starting at 5660.00 CAD.",
    "intent_terms": ["studio","home_recording","content_creation","signal_chain","A21M - White","PSI AUDIO","Active Monitors","verified retail listing","recording and studio product","home recording","content creation","signal chain"],
    "use_cases": ["studio-recording","home-recording","sound-design"],
    "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:\/\/www.psiaudio.swiss\/a21-m-perfectly-accurate-mid-field-monitor\/","method":"gear_universe_read_model","fetched":"2026-07-21"}}
  },
  "related": {
    "similar_item_ids": [],
    "comparison_reasons": ["source_count:1","lane:studio","verified retail listing_reference"]
}
}