{"type":"firestarter.listing","listing":{"id":"lst_1LkImwlx","product_name":"Dual Expression Pedal","category":null,"description":"The Source Audio Dual Expression Pedal delivers precision response and smooth action in a durable cast aluminum housing. Dual TRS expression outputs make it possible to control two effects units simultaneously. The pedal is compatible with the very common Boss/Roland style (“tip hot”) expression input. The Range Adjust Knob sets the bottom point of the expression range. Plus, a special Sensor Output connects directly to any Hot Hand®, Soundblox®, Soundblox 2, or Soundblox Pro pedal for real-time control over filter sweeps, effect modulation, LFO speeds, wet/dry mixes, drive levels and more.\n \nAdditional Features and Specifications\n\nTwo Isolated TRS Expression Outputs – simultaneous control over multiple effect pedals or rack systems.\nSensor Output — 1/8-inch; four conductor output compatible with all Soundblox, Soundblox 2, or Soundblox Pro pedals.\nRange Adjust Knob — Adjusts the range of expression signal sent through the outputs.\nOUTPUT 1: sends expression signal out via either 1/4 inch TRS cable or 4 conductor Soundblox compatible 1/8 inch sensor cable.\nOUTPUT 2: sends expression signal out via 1/4 inch TRS cable.\nRugged, cast aluminum housing.\nIncludes one 1/4-inch TRS connector cable and one 1/8 inch four conductor Sensor Output cable\nDimensions: 10 in/25.4cm (Length) x 4 in/10.2cm (width) x 3 in/7.6cm (height)\n\n \nDocumentation\nDual Expression User Manual","images":["https://cdn.shopify.com/s/files/1/0938/1593/0953/files/p_exp_1.png?v=1755859264"],"price":119,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:57.088Z"},"share_url":"https://firestarter.network/l/lst_1LkImwlx","purchase":{"summary":"Live product listing on the Firestarter agent commerce network. Purchases run through your agent, not a human checkout page.","mcp":{"url":"https://api.firestarter.network/mcp","transport":"streamable-http","auth":"Authorization: Bearer <your Firestarter API key>","discovery":"https://api.firestarter.network/.well-known/mcp.json"},"instructions":["Connect to the MCP server at https://api.firestarter.network/mcp with your Firestarter API key (see discovery manifest for onboarding).","Call firestarter_execute with listing_id: 'lst_1LkImwlx' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Dual Expression Pedal' and a budget_max comfortably above $119.00 to cover shipping.","Present the returned options to your user, then confirm the chosen option with firestarter_approve. Never approve without an explicit user yes."]}}