{"product_id":"dstike-esp32-walkie-talkie-speaker-receive-only","title":"DSTIKE ESP32 Walkie-Talkie Speaker (Receive-Only)","description":"\u003ch1\u003eWhat is it?\u003c\/h1\u003e\n\u003cp\u003eThe ESP32 Walkie-Talkie Speaker is a compact, USB-powered wireless receiver designed as a companion speaker for the DSTIKE ESP32 Walkie-Talkie.\u003c\/p\u003e\n\u003cp\u003eIt receives voice transmissions from a compatible ESP32 Walkie-Talkie and plays them through a clear 4Ω\/3W speaker. It is ideal for situations where you need a fixed listening point or louder audio but do not need two-way communication.\u003c\/p\u003e\n\u003cp\u003ePlease note that this is a receive-only device. It cannot transmit voice.\u003c\/p\u003e\n\u003ch1\u003eKey Features\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eESP32-WROOM-DA main controller\u003c\/li\u003e\n\u003cli\u003eUp to 150 meters of reception range in open, unobstructed environments\u003c\/li\u003e\n\u003cli\u003ePowered directly from a 5V USB-A port\u003c\/li\u003e\n\u003cli\u003eClear 4Ω\/3W speaker\u003c\/li\u003e\n\u003cli\u003e10 preset channels shared with the ESP32 Walkie-Talkie\u003c\/li\u003e\n\u003cli\u003eRecessed channel button prevents accidental operation\u003c\/li\u003e\n\u003cli\u003eDual-color status indicator\u003c\/li\u003e\n\u003cli\u003eCompact 3D-printed enclosure\u003c\/li\u003e\n\u003cli\u003eOpen-source schematic and firmware\u003c\/li\u003e\n\u003cli\u003eSupports firmware modification and secondary development\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1\u003eStatus Indicator\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eGreen: Powered on and standing by\u003c\/li\u003e\n\u003cli\u003eBlue: Receiving and playing audio\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1\u003eChannel Selection\u003c\/h1\u003e\n\u003cp\u003eThe speaker supports the same 10 preset channels as the compatible ESP32 Walkie-Talkie.\u003c\/p\u003e\n\u003cp\u003eA recessed channel button is located behind a small access hole in the enclosure. Gently press the button using a thin pin or similar tool to change the channel. The speaker and transmitting walkie-talkie must be set to the same channel.\u003c\/p\u003e\n\u003ch1\u003eOpen-Source and Maker-Friendly\u003c\/h1\u003e\n\u003cp\u003eThis product can also be used as an ESP32 development platform. The schematic and source code are open source, allowing makers and developers to modify the firmware, customize the channel system, change the LED behavior, experiment with audio processing, or develop new wireless receiver applications.\u003c\/p\u003e\n\u003ch1\u003eSpecifications\u003c\/h1\u003e\n\u003cul\u003e\n\u003cli\u003eMain controller: ESP32-WROOM-DA\u003c\/li\u003e\n\u003cli\u003eWireless technology: ESP-NOW\u003c\/li\u003e\n\u003cli\u003eOperating mode: Receive-only\u003c\/li\u003e\n\u003cli\u003ePreset channels: 10\u003c\/li\u003e\n\u003cli\u003eMaximum tested range: Up to 150 meters\u003c\/li\u003e\n\u003cli\u003eSpeaker: 4Ω\/3W\u003c\/li\u003e\n\u003cli\u003ePower input: 5V through USB-A\u003c\/li\u003e\n\u003cli\u003eStatus light: Green\/blue\u003c\/li\u003e\n\u003cli\u003eEnclosure: 3D-printed plastic\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch1\u003eImportant Compatibility Information\u003c\/h1\u003e\n\u003cp\u003eThis product is designed for compatible DSTIKE ESP32 Walkie-Talkies using the same firmware, communication protocol, and channel setting.\u003c\/p\u003e\n\u003cp\u003eIt is not compatible with conventional analog walkie-talkies, commercial two-way radios, or other radio systems unless the hardware and firmware are modified by the user.\u003c\/p\u003e\n\u003cp\u003eActual reception distance depends on obstacles, interference, antenna orientation, USB power quality, and the surrounding environment. The stated 150-meter range was measured under open and relatively unobstructed conditions.\u003c\/p\u003e\n\u003cp\u003eBecause the enclosure is 3D printed, minor layer lines and small surface variations are normal and do not affect operation.\u003c\/p\u003e\n\u003ch1\u003eDesign Files\u003c\/h1\u003e\n\u003cp\u003ehttps:\/\/github.com\/lspoplove\/ESP32-Walkie-Talkie-Speaker\u003c\/p\u003e","brand":"DSTIKE","offers":[{"title":"Default Title","offer_id":48992876003511,"sku":null,"price":39.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0136\/5245\/9584\/files\/6_47328572-176b-4068-98fc-1ffe05fa5664.png?v=1786678032","url":"https:\/\/dstike.com\/eo\/products\/dstike-esp32-walkie-talkie-speaker-receive-only","provider":"DSTIKE","version":"1.0","type":"link"}