{"product_id":"cast-1-audio-casting","title":"CAST-1 Audio Casting","description":"\u003cp\u003e\u003cstrong\u003eApollo Automation CAST-1 Audio Casting Device\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eApollo CAST-1\u003c\/strong\u003e turns regular powered speakers, amplifiers, and AV receivers into Home Assistant \/ Music Assistant endpoints. Plug it into a 3.5mm line input, connect it over Wi-Fi, and stream music, announcements, alarms, and whole-home audio to the speakers you already own. It runs open-source ESPHome firmware and works locally — no cloud required.\u003c\/p\u003e\n\n\u003ch3\u003eKEY FEATURES\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMakes existing speakers smart with Home Assistant and Music Assistant\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eESP32-S3\u003c\/strong\u003e with ESPHome firmware\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTI PCM5122\u003c\/strong\u003e 32-bit stereo DAC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e3.5mm analog line-out\u003c\/strong\u003e for powered speakers, amps, and receivers\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSendSpin\u003c\/strong\u003e support for synchronized multi-room audio\u003c\/li\u003e\n\u003cli\u003eHome Assistant announcements, alarms, and media playback\u003c\/li\u003e\n\u003cli\u003eBluetooth proxy capable\u003c\/li\u003e\n\u003cli\u003eOnboard RGB status LED\u003c\/li\u003e\n\u003cli\u003eGPIO pads for an addressable RGB LED strip\u003c\/li\u003e\n\u003cli\u003e100% local, open-source firmware\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSPECIFICATIONS\u003c\/h3\u003e\n\n\u003cp\u003e\u003cstrong\u003eProcessor:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMCU: ESP32-S3\u003c\/li\u003e\n\u003cli\u003eFlash: 16 MB\u003c\/li\u003e\n\u003cli\u003ePSRAM: 8 MB\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eAudio:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDAC: Texas Instruments PCM5122\u003c\/li\u003e\n\u003cli\u003e32-bit stereo\u003c\/li\u003e\n\u003cli\u003e112 dB SNR \/ dynamic range\u003c\/li\u003e\n\u003cli\u003eOutput: 3.5mm analog line out (2.1 VRMS full scale)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eConnectivity:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWi-Fi 2.4 GHz\u003c\/li\u003e\n\u003cli\u003eBluetooth \/ BLE\u003c\/li\u003e\n\u003cli\u003eUSB-C for power and programming\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eExpansion:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSolder pads for 5V, GND, and IO1\u003c\/li\u003e\n\u003cli\u003eOnboard RGB LED\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003ePower:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eUSB-C, 5V \/ 1A\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003ePhysical:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSize: 45 × 45 × 15 mm (1.8 × 1.8 × 0.6 in)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eSoftware:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eESPHome (open source)\u003c\/li\u003e\n\u003cli\u003eHome Assistant\u003c\/li\u003e\n\u003cli\u003eMusic Assistant via SendSpin\u003c\/li\u003e\n\u003cli\u003eHome Assistant Bluetooth Proxy\u003c\/li\u003e\n\u003cli\u003eLocal control only — no cloud required\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat's Included:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1 × Apollo CAST-1 Audio Casting Device\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eNOTES\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eConnects to powered speakers, amplifiers, or AV receivers through a 3.5mm line input\u003c\/li\u003e\n\u003cli\u003eIdeal for adding Home Assistant audio, announcements, and multi-room music to existing speaker setups\u003c\/li\u003e\n\u003cli\u003eFirmware can be managed and customized through ESPHome\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Apollo","offers":[{"title":"Default Title","offer_id":55096452022551,"sku":"U0728","price":34.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1884\/2123\/files\/CAST-1_Scene_Front_2.webp?v=1788270123","url":"https:\/\/ameridroid.com\/products\/cast-1-audio-casting","provider":"ameriDroid","version":"1.0","type":"link"}