{"type":"firestarter.listing","listing":{"id":"lst_Le3s3zHZ","product_name":"Hisenior Mega5Est Bass+ 1DD+2BA+2EST Tribrid Drivers IEM","category":null,"description":"\n*The curve is measured by a third party and is for reference only.\n\n\nFeatures:-\n\n&gt;Multi-Driver Hybrid IEMs.\n\n&gt;Dual SONION EST+Dual Knowles BA Drivers+1 Custom 10mm Dynamic Driver.\n\n&gt;5dB Boosted Sub-Bass Response.\n\n&gt;10Hz~50kHz Ultra-Wide Frequency Band.\n\n&gt;Harman Target Curve Reference Tuning With Sub-Bass Boost.\n\n&gt;Stunning Red and Black Shells.\n\n&gt;Crafted For Bass-Loving Audiophiles.\n\n&gt;Flagship “MANTA” 532-Core UP-OCC Silver-Plated Cable.\n\n&gt;Premium “MANATEE” Leather Storage Case.\n\n&gt;Complimentary 3.5mm To 4.4mm Adapter.\n\n&gt;Limited to 1000 Units Worldwide.\n\nTechnical Information:-\n\n&gt;Driver Setup: 1DD+2BA+2EST.\n\n&gt;Four-Way Integrated Crossover.\n\n&gt;Impedance: 24Ω.\n\n&gt;Sensitivity: 101dB/mW.\n\n&gt;THD+N: 0.5%±0.1%.\n\n&gt;Frequency Response: 10Hz~50kHz.\n\n&gt;Connector Type: 0.78mm 2-Pin.\n\n&gt;Termination: 3.5mm.\n\nHiSenior has developed the Mega5EST Bass+ Enhanced edition on its award-winning Mega5EST IEMs giving the smooth and neutral sounding IEM a 5dB sub-bass boost. The pair houses a five-driver hybrid setup on each side housing one 10mm custom-developed dynamic driver with dual Knowles BA drivers and dual SONION EST drivers. Using a four-way integrated crossover, the pair has been tuned following the Harman target response curve with an added boost to the sub-bass frequencies. HiSenior has also treated the pair with a brand new flagship cable and a premium new carry case as well. The HiSenior Mega5 EST Bass+ enhanced edition is heaven for bass heads who want a thunderous bass presentation while maintaining good clarity in the other frequency segments!!\n\nHear The Bass Like Never Before:-\n\nWith an added 5dB boost to the sub-bass frequencies, the Hiseniors Mega5EST Bass+ Enhanced Edition delivers bass like never before. The bass region dives deeper producing a strong, sensational rumble in the sub-bass frequencies. The added boost also adds more punch and dynamics to the mid-bass section overall increasing the bass texture, slam, and ","images":["https://cdn.shopify.com/s/files/1/0031/0453/8673/files/hisenior-mega5est-bass-1dd2ba2est-tribrid-drivers-iem-hifigo-348465.webp?v=1730582091","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/hisenior-mega5est-bass-1dd2ba2est-tribrid-drivers-iem-hifigo-mega5est-bass-limited-edition-922359.webp?v=1730581967","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/hisenior-mega5est-bass-1dd2ba2est-tribrid-drivers-iem-hifigo-328720.webp?v=1730582130","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/hisenior-mega5est-bass-1dd2ba2est-tribrid-drivers-iem-hifigo-234543.webp?v=1730582019","https://cdn.shopify.com/s/files/1/0031/0453/8673/files/hisenior-mega5est-bass-1dd2ba2est-tribrid-drivers-iem-hifigo-mega5est-bass-limited-edition-44mm-423087.jpg?v=1734970622"],"price":589,"currency":"USD","in_stock":true,"inventory_qty":9999,"dynamic_pricing":false,"listed_at":"2026-06-20T16:26:29.423Z"},"share_url":"https://firestarter.network/l/lst_Le3s3zHZ","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_Le3s3zHZ' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy Hisenior Mega5Est Bass+ 1DD+2BA+2EST Tribrid Drivers IEM' and a budget_max comfortably above $589.00 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."]}}