{
  "schema_version": 1,
  "projection": "envoy-agent-v1",
  "identity": {
    "title": "PSI AUDIO A21M - Red — Studio Monitor",
    "brand": "PSI AUDIO",
    "model": "A21M - Red",
    "mpn": null,
    "gtins": null,
    "handle": "ca-psi-audio-a21m-red-38f465f259",
    "url": "https://envoy-music.myshopify.com/products/ca-psi-audio-a21m-red-38f465f259",
    "catalog_product_id": "catalog:096f27549636",
    "lane": "studio",
    "product_object": "studio monitor"
  },
  "offer": {
    "price": 5420.0,
    "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":"product_type","label":"Product type","value":"Active two-way nearfield\/midfield studio monitor","display":"Active two-way nearfield\/midfield studio monitor","source":"PSI Audio A21-M product page","confidence":0.9},{"key":"finish","label":"Finish","value":"Red","display":"Red","source":"ZenPro Audio PSI Audio A21-M Red listing","confidence":0.9},{"key":"pricing_unit","label":"Pricing unit","value":"Single speaker","display":"Single speaker","source":"ZenPro Audio PSI Audio A21-M Red listing","confidence":0.7},{"key":"origin","label":"Origin","value":"Handmade in Switzerland","display":"Handmade in Switzerland","source":"PSI Audio A21-M product page","confidence":0.9}]},{"id":"amplification_and_design","label":"Amplification and Design","fields":[{"key":"amplifier_power","label":"Amplifier power","value":"280 + 45 W potential peak power in technical table; page feature summary also states 280 + 55 W","display":"280 + 45 W potential peak power in technical table; page feature summary also states 280 + 55 W","source":"PSI Audio A21-M product page","confidence":0.9},{"key":"amplifier_type","label":"Amplifier type","value":"Class A\/B amplifiers","display":"Class A\/B amplifiers","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":"calibration","label":"Calibration","value":"Individually calibrated; ships with personal measurement sheet","display":"Individually calibrated; ships with personal measurement sheet","source":"PSI Audio A21-M product page","confidence":0.9}]},{"id":"drivers_and_acoustics","label":"Drivers and Acoustics","fields":[{"key":"system","label":"System","value":"2-way","display":"2-way","source":"PSI Audio A21-M technical data","confidence":0.9},{"key":"woofer","label":"Woofer","value":"240 mm \/ 9.4 in external diameter; 172 mm \/ 6.8 in diaphragm","display":"240 mm \/ 9.4 in external diameter; 172 mm \/ 6.8 in diaphragm","source":"PSI Audio A21-M technical data","confidence":0.9},{"key":"tweeter","label":"Tweeter","value":"100 mm external dimension; 27 mm \/ 1.06 in diaphragm","display":"100 mm external dimension; 27 mm \/ 1.06 in diaphragm","source":"PSI Audio A21-M technical data","confidence":0.9},{"key":"crossover","label":"Crossover","value":"2400 Hz","display":"2400 Hz","source":"PSI Audio A21-M technical data","confidence":0.9},{"key":"dispersion","label":"Dispersion","value":"80 x 30 degrees horizontal x vertical","display":"80 x 30 degrees horizontal x vertical","source":"PSI Audio A21-M technical data","confidence":0.9}]},{"id":"performance","label":"Performance","fields":[{"key":"frequency_range","label":"Frequency range","value":"38 Hz to 23 kHz at -6 dB","display":"38 Hz to 23 kHz at -6 dB","source":"PSI Audio A21-M technical data","confidence":0.9},{"key":"spl","label":"Spl","value":"106 dB continuous max SPL, 110 dB short-term max SPL and 121 dB peak max SPL at 1 m","display":"106 dB continuous max SPL, 110 dB short-term max SPL and 121 dB peak max SPL at 1 m","source":"PSI Audio A21-M technical data","confidence":0.9},{"key":"snr","label":"Snr","value":"98 dBA","display":"98 dBA","source":"PSI Audio A21-M technical data","confidence":0.9},{"key":"spl_tolerance","label":"Spl tolerance","value":"+\/-2.0 dB","display":"+\/-2.0 dB","source":"PSI Audio A21-M technical data","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 technical data","confidence":0.9}]},{"id":"connectivity","label":"Connectivity","fields":[{"key":"input_connector","label":"Input connector","value":"1 x XLR female 3-pin","display":"1 x XLR female 3-pin","source":"PSI Audio A21-M technical data","confidence":0.9},{"key":"typical_listening_distance","label":"Typical listening distance","value":"1 to 3 m on PSI page; ZenPro lists 1.5 to 2 m","display":"1 to 3 m on PSI page; ZenPro lists 1.5 to 2 m","source":"PSI Audio and ZenPro Audio A21-M pages","confidence":0.9},{"key":"warranty","label":"Warranty","value":"5 + 1 years","display":"5 + 1 years","source":"PSI Audio A21-M product page","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": "Control rooms needing a high-output analog active monitor for nearfield to midfield production, mixing, mastering, broadcast or post work.",
    "who_should_skip": "Users needing DSP room correction, digital inputs, a lightweight portable monitor, passive speakers, or a pair when purchasing only one unit.",
    "fit_notes": "Allow space for 250 x 400 x 300 mm cabinets and verify pair pricing; the red listing is for one monitor.",
    "watchouts": "PSI's page shows 280+55 W in feature copy but 280+45 W in the technical table; the table value and discrepancy are preserved. GTIN was not found.",
    "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 - Red is a recording and studio product represented by 1 current Canadian retailer offer, starting at 5420.00 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 - Red is a recording and studio product represented by 1 current Canadian retailer offer, starting at 5420.00 CAD.",
    "intent_terms": ["studio","home_recording","content_creation","signal_chain","A21M - Red","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"]
}
}