{ "schema_version": 1, "projection": "envoy-agent-v1", "identity": { "title": "Polyend Synth Multi-Engine Polyphonic Synthesiser", "brand": "Polyend", "model": null, "mpn": null, "gtins": null, "handle": "gm-polyend-multi-engine-polyphonic-synthesiser-b-stock-polyend-synth-mult-57b356fe", "url": "https://envoy-music.myshopify.com/products/gm-polyend-multi-engine-polyphonic-synthesiser-b-stock-polyend-synth-mult-57b356fe", "catalog_product_id": "product_b96168ae57b356fe", "lane": "production", "product_object": "desktop synths" }, "offer": { "price": 1107.63, "currency": "CAD", "available": true, "condition": "Good", "price_band": "high", "source_verified_at": null }, "specifications": {"type":"json","groups":[{"name":"Product facts","fields":[{"label":"Connectivity","value":"USB-","source":"https:\/\/polyend.com\/synth\/"},{"label":"Three customisable effects per synth","value":"modulation effects, delay and reverb","source":"https:\/\/www.thomannmusic.com\/polyend_synth_b_stock.htm"},{"label":"Polyphony","value":"Eight notes across three synth engines","source":"https:\/\/www.thomannmusic.com\/polyend_synth_b_stock.htm"},{"label":"Filters","value":"low pass x4, high pass x4, band pass x4, notch x2","source":"https:\/\/www.thomannmusic.com\/polyend_synth_b_stock.htm"}]},{"name":"Format and size","fields":[{"label":"Height (w\/ knob)","value":"1.3 inches (3.3 cm)","source":"https:\/\/polyend.com\/synth\/"},{"label":"Width","value":"11.02 inches (28.2 cm)","source":"https:\/\/polyend.com\/synth\/"},{"label":"Depth","value":"8.15 inches (20.7 cm)","source":"https:\/\/polyend.com\/synth\/"},{"label":"Weight","value":"2.65 pounds (1.2 kg)","source":"https:\/\/polyend.com\/synth\/"},{"label":"Dimensions note","value":"3.5 mm to 2x Mono 6","source":"https:\/\/polyend.com\/synth\/"},{"label":"Dimensions","value":"275 x 213 x 37 mm","source":"https:\/\/www.thomannmusic.com\/polyend_synth_b_stock.htm"},{"label":"Format","value":"Eurorack","source":"https:\/\/www.thomannmusic.com\/polyend_synth_b_stock.htm"}]},{"name":"Power","fields":[{"label":"Power","value":"50 vouchers worth €50 each!","source":"https:\/\/www.thomannmusic.com\/polyend_synth_b_stock.htm"}]}]}, "connectivity": null, "power": null, "included_items": null, "required_accessories": ["keyboard stand","sustain pedal","headphones or amp"], "optional_accessories": null, "compatibility": null, "advisor": { "best_for": "Players matching the published factory\/retail specs listed above.", "who_should_skip": null, "fit_notes": "Verify power, format, and connectivity against your rig before purchase; only sourced fields are listed.", "watchouts": "Unsourced claims are omitted. Listing-specific mods, kits, or incomplete units may not match the base model specs.", "verification_questions": ["Can you confirm exactly what is included in the sale and show it in current photos?","Are there any functional issues, repairs, or missing parts not shown in the listing?","Can you provide close-up photos of wear points, serial numbers, and any modifications?","Can you confirm the core specs that matter for compatibility in this setup?","Is this still available and has anything changed since the listing was posted?"] }, "retrieval": { "summary": "Polyend Synth Multi-Engine Polyphonic Synthesiser (B-STOCK). Polyend. Multi-Engine Polyphonic Synthesiser (B-STOCK). Keyboards and Synths. Keyboards and Synths \/ Synths \/ Desktop Synths Keyboards and Synths \/ Grooveboxes. available from reverb. price range 808.49 USD. condition Good. ***B-STOCK: Box opened, product in perfect working order*** Another innovative groovebox from Polyend, the Synth allows you to sequence and perform up to three synths from eight different synth engines. Unique Smart Grid feature allows single-button chords and note followers. Supplier's Notes: Compact Design. Massive Sound. Unmatched Innovation. Easily Play 3 Synths at Once The power of three synth engines is at your fingertips, all running together seamlessly. Whether you're in the studio or performing live, you can juggle between different engines, adjust parameters on the fly, and layer effects with ease. The built-in sequencers, arpeggiators, and all new smart grid system keep everything flowing smoothly, letting you focus on creativity without interruption. With instantly recallable scenes, you can save and recall every detail of your setup. Eight Synth Engines to Explore Dive into a world of sound with eight distinct synth engines, each offering its own unique character. Whether you're drawn to the classic analogue warmth of FAT or the evolving textures of GRAIN, you'll find the sound to shape your creations exactly the way you want: PHZ: A modern take on phase distortion synthesis with options for both retro and cutting-edge tones. PMD: Physical modelling technology that simulates realistic instruments or creates entirely new sonic expressions. GRAIN: A granular engine with two modes, burst and cloud, ideal for rhythmic textures or sweeping ambient layers. WAVS: Morph between wavetables with intricate control over scanning and phase shifting to create evolving textures. VAP: A dual-oscillator polysynth that draws inspiration from the classics, offering rich, lush pads and detailed soundscapes. FAT: Massive sound with three oscillators and vintage ladder filters for deep basses and expressive leads. ACD: The ultimate recreation of iconic vintage monophonic synths, but with increased customization. WTFM: A unique FM synthesis engine that uses wavetable-based oscillators for complex sounds without the usual FM complications. Three Customizable Effects Take your sound to the next level with three onboard effects, each fully customizable to suit your style: MOD: This versatile modulation engine can take you from subtle choruses to wild, feedback-heavy flanging. DEL: Dual delay lines with five unique models, giving you the flexibility to sync with your track or create complex delay effects. REV: Three reverb modes - Natural, Plate, and Warp - let you add anything from subtle space to massive, otherworldly reverbs. Reimagined Rhythms Unlock your full creative potential with three independent sequencers and arpeggiators. Control every aspect of your rhythm, from swing to groove, transposition, and more. Whether you're building tight, rhythmic patterns or sweeping melodies, this system adapts seamlessly to your music. For Performers, Sound Designers, and Innovators Alike Always Musical Smart Grid for Live Play Stay in control even during the most chaotic performances. The customizable Smart Grid ensures every note and chord stays in the desired scale, while making live performances smoother and more intuitive. Scenes on Demand Imagine having every setting - from synth engines to sequences - saved in one easy-to-recall Scene file. Build entire live sets and instantly access them with a touch. Plus, share your unique setups with the community Combo Knobs for Quick Tweaks Create dramatic builds or subtle shifts with customizable combo knobs. Whether controlling one or all three synths at once, adding movement and dynamics to your sound has never been easier. Polyphonic Aftertouch Express every nuance of your performance with polyphonic aftertouch. Adjust multiple parameters with just the pressure of your fingers, allowing for truly expressive, dynamic control over your sounds. A Dream for Sound Designers Intuitive 3x3 Knob Matrix Designed for hands-on control, the 3x3 knob matrix lets you quickly access and tweak key parameters. No need to dive into endless menus - everything you need is right in front of you, ready for real-time adjustments. Real-Time Visual Feedback Every adjustment you make is instantly reflected in the visual interface, giving you clear, real-time feedback on how your sound is evolving. Whether you're tweaking filters, modulating oscillators, or adjusting LFOs, you'll see the changes happen as you hear them. Endless Customization Expand your creative palette with SD and USB storage. Easily load new wavetables, presets, and entire setups, or share your creations with others. With endless possibilities, this synth is designed to grow with you. Polyend Synth Multi-Engine Polyphonic Synthesiser (B-STOCK). Polyend. Multi-Engine Polyphonic Synthesiser (B-STOCK). Synth. Good. Keyboards and Synths. Keyboards and Synths \/ Synths \/ Desktop Synths Keyboards and Synths \/ Grooveboxes. ***B-STOCK: Box opened, product in perfect working order*** Another innovative groovebox from Polyend, the Synth allows you to sequence and perform up to three synths from eight different synth engines. Unique Smart Grid feature allows single-button chords and note followers. Supplier's Notes: Compact Design. Massive Sound. Unmatched Innovation. Easily Play 3 Synths at Once The power of three synth engines is at your fingertips, all running together seamlessly. Whether you're in the studio or performing live, you can juggle between different engines, adjust parameters on the fly, and layer effects with ease. The built-in sequencers, arpeggiators, and all new smart grid system keep everything flowing smoothly, letting you focus on creativity without interruption. With instantly recallable scenes, you can save and recall every detail of your setup. Eight Synth Engines to Explore Dive into a world of sound with eight distinct synth engines, each offering its own unique character. Whether you're drawn to the classic analogue warmth of FAT or the evolving textures of GRAIN, you'll find the sound to shape your creations exactly the way you want: PHZ: A modern take on phase distortion synthesis with options for both retro and cutting-edge tones. PMD: Physical modelling technology that simulates realistic instruments or creates entirely new sonic expressions. GRAIN: A granular engine with two modes, burst and cloud, ideal for rhythmic textures or sweeping ambient layers. WAVS: Morph between wavetables with intricate control over scanning and phase shifting to create evolving textures. VAP: A dual-oscillator polysynth that draws inspiration from the classics, offering rich, lush pads and detailed soundscapes. FAT: Massive sound with three oscillators and vintage ladder filters for deep basses and expressive leads. ACD: The ultimate recreation of iconic vintage monophonic synths, but with increased customization. WTFM: A unique FM synthesis engine that uses wavetable-based oscillators for complex sounds without the usual FM complications. Three Customizable Effects Take your sound to the next level with three onboard effects, each fully customizable to suit your style: MOD: This versatile modulation engine can take you from subtle choruses to wild, feedback-heavy flanging. DEL: Dual delay lines with five unique models, giving you the flexibility to sync with your track or create complex delay effects. REV: Three reverb modes - Natural, Plate, and Warp - let you add anything from subtle space to massive, otherworldly reverbs. Reimagined Rhythms Unlock your full creative potential with three independent sequencers and arpeggiators. Control every aspect of your rhythm, from swing to groove, transposition, and more. Whether you're building tight, rhythmic patterns or sweeping melodies, this system adapts seamlessly to your music. For Performers, Sound Designers, and Innovators Alike Always Musical Smart Grid for Live Play Stay in control even during the most chaotic performances. The customizable Smart Grid ensures every note and chord stays in the desired scale, while making live performances smoother and more intuitive. Scenes on Demand Imagine having every setting - from synth engines to sequences - saved in one easy-to-recall Scene file. Build entire live sets and instantly access them with a touch. Plus, share your unique setups with the community Combo Knobs for Quick Tweaks Create dramatic builds or subtle shifts with customizable combo knobs. Whether controlling one or all three synths at once, adding movement and dynamics to your sound has never been easier. Polyphonic Aftertouch Express every nuance of your performance with polyphonic aftertouch. Adjust multiple parameters with just the pressure of your fingers, allowing for truly expressive, dynamic control over your sounds. A Dream for Sound Designers Intuitive 3x3 Knob Matrix Designed for hands-on control, the 3x3 knob matrix lets you quickly access and tweak key parameters. No need to dive into endless menus - everything you need is right in front of you, ready for real-time adjustments. Real-Time Visual Feedback Every adjustment you make is instantly reflected in the visual interface, giving you clear, real-time feedback on how your sound is evolving. Whether you're tweaking filters, modulating oscillators, or adjusting LFOs, you'll see the changes happen as you hear them. Endless Customization Expand your creative palette with SD and USB storage. Easily load new wavetables, presets, and entire setups, or share your creations with others. With endless possibilities, this synth is designed to grow with you. Juno. London, United Kingdom. tags source:reverb family:keyboards_and_synths listing_status:live brand:polyend model:multi_engine_polyphonic_synthesiser_b_stock category:keyboards_and_synths_synths_desktop_synths category:keyboards_and_synths_grooveboxes price_band:mid segment:intermediate condition:good has:photos", "agent_summary": "Polyend Multi-Engine Polyphonic Synthesiser (B-STOCK) is a aimed at intermediate players keyboards and synths listing with marketplace-sourced data. Polyend Synth Multi-Engine Polyphonic Synthesiser (B-STOCK) currently sits around 808.49 USD. ***B-STOCK: Box opened, product in perfect working order*** Another innovative groovebox from Polyend, the Synth allows you to sequence and perform up to three synths from eight different synth engines. Marketplace data is richer on listing context, but it needs more buyer verification. Good visual coverage for spot-checking the item. Marketplace listing quality varies by seller, so condition and included items still need verification.", "intent_terms": ["Polyend Synth Multi-Engine Polyphonic Synthesiser (B-STOCK)","Polyend","Multi-Engine Polyphonic Synthesiser (B-STOCK)","Keyboards and Synths","Keyboards and Synths \/ Synths \/ Desktop Synths","Keyboards and Synths \/ Grooveboxes","brand:polyend","category:keyboards_and_synths_grooveboxes","category:keyboards_and_synths_synths_desktop_synths","condition:good","family:keyboards_and_synths","has:photos","listing_status:live","model:multi_engine_polyphonic_synthesiser_b_stock","price_band:mid","segment:intermediate","source:reverb","brand polyend","category keyboards and synths grooveboxes","category keyboards and synths synths desktop synths","condition good","family keyboards and synths","has photos","listing status live","model multi engine polyphonic synthesiser b stock","price band mid","segment intermediate","source reverb","home-recording","content-creation","live-performance","tone-shaping","Juno","Best suited to players who have outgrown their first setup and need a meaningful step up.","Shoppers who already understand the role of this keyboards and synths and want a more deliberate purchase."], "use_cases": ["live-performance","studio-recording","sound-design"], "skill_level": "intermediate" }, "trust": { "has_verified_retail_listing": true, "source_count": 1, "source_tier_mix": ["marketplace"], "evidence_flags": {"has_description":true,"has_images":true,"has_reviews":false,"has_specs":false,"source_count":1}, "spec_provenance": {"specifications":{"source_url":"https:\/\/polyend.com\/synth\/","method":"gear_universe_read_model","fetched":"2026-07-30"}} }, "related": { "similar_item_ids": ["product_0b4eaf8017cfcbb4","product_f8d36e1bbb5222c4","product_6d90c60c3520019a"], "comparison_reasons": ["source_count:1","family:Keyboards and Synths","marketplace_only","identity_confidence:0.9"] } }