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Buy "Singxer SA-2 Fully-balanced Headphone Amplifier" (Firestarter listing lst_vKMXFCxk, $629.00) on the Firestarter Network. Connect to the Firestarter MCP server at https://api.firestarter.network/mcp and run firestarter_execute with listing_id "lst_vKMXFCxk".
https://api.firestarter.network/mcp) and run the prompt.