{ "schema_version": 1, "projection": "envoy-agent-v1", "identity": { "title": "Roland SP-404MKII Creative Sampler and Effector", "brand": "Roland", "model": "SP-404MKII", "mpn": "764007", "gtins": null, "handle": "gm-roland-sp-404mk2-roland-sp-404mkii-creative-sampler-and-effector-088ef864", "url": "https://envoy-music.myshopify.com/products/gm-roland-sp-404mk2-roland-sp-404mkii-creative-sampler-and-effector-088ef864", "catalog_product_id": "catalog:825fb48daf41", "lane": "production", "product_object": "portable sampler and effector" }, "offer": { "price": 699.99, "currency": "CAD", "available": true, "condition": "Brand New", "price_band": "mid", "source_verified_at": null }, "specifications": {"category":"Keyboards","subcategory":"Keyboards","category_path":"Keyboards","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": ["SP-404MKII sampler","AC adapter","manufacturer-supplied documentation; verify retailer bundle contents"], "required_accessories": ["SD card when expanded sample transfer or backup is required","audio, MIDI, or USB data cables appropriate to the intended setup"], "optional_accessories": null, "compatibility": null, "advisor": { "best_for": "Sample-based producers, beatmakers, live performers, and creators who prioritize tactile pads, resampling, and portable standalone operation.", "who_should_skip": "Skip it if you need a large display, keyboard-style melodic composition, many dedicated audio tracks, or a DAW-like arrangement timeline on the hardware.", "fit_notes": "Best for hands-on beatmakers, live performers, and producers who want a portable standalone sampler with deep effects and resampling. It complements a DAW well but can also be used away from a computer.", "watchouts": "Confirm the installed firmware because major workflow features vary by version. AA batteries and optional storage media are not assumed to be included. Verify the power, USB, MIDI, and SD-card accessories needed for the planned setup.", "verification_questions": ["Which firmware version is installed, and does it support the required workflow?","Is the original AC adapter included and are battery contacts, pads, encoders, and jacks fully functional?","Does the planned SD card meet Roland's compatibility requirements?","Is the retailer offer still available at the displayed CAD price?"] }, "retrieval": { "summary": "Roland SP-404MKII is a compact sampler and effector built for beatmaking, sample-based production, and live performance. Manufacturer specifications support 17 velocity-sensitive RGB pads, a graphic OLED display, 16 GB internal storage, 48 kHz sampling, real-time loop recording and TR-REC step sequencing, extensive onboard effects, line input and output, a mic or guitar input, dual headphone outputs, TRS MIDI, and USB-C audio connectivity. It can run from the supplied AC adapter, six AA batteries, or compatible USB-C power. It suits producers who value tactile sampling, resampling, effects, and portable standalone work. Confirm firmware, storage and SD-card workflow, included power supply, and whether its screen and menu structure fit the intended editing style. This is an verified retail listing reference; EnvoyMusic does not stock or fulfill it, and current CAD price and availability must be confirmed with the retailer.", "agent_summary": "Roland SP-404MKII is a portable performance sampler and effects processor with 17 velocity-sensitive RGB pads, waveform editing on an OLED display, 16 GB of internal storage, sequencing, extensive onboard effects, and flexible USB-C, battery, and AC power. It supports standalone beatmaking, live sample performance, resampling, and Serato workflows.", "intent_terms": ["standalone beatmaking","live sample performance","portable sampler","resampling workflow","lofi effects processor"], "use_cases": ["beatmaking","live sample performance","resampling and effects","portable music production"], "skill_level": "intermediate" }, "trust": { "has_verified_retail_listing": true, "source_count": 1, "source_tier_mix": ["retailer"], "evidence_flags": {"has_description":true,"has_images":true,"has_reviews":true,"has_specs":false,"source_count":1}, "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": ["product_2ef48213fd9efc20","product_b54174ed7003907d","product_f3ebc186fd263450","product_f85e1541bac5ef6d"], "comparison_reasons": ["source_count:1","family:Keyboards","supplier_available","identity_confidence:0.98"] } }