{"product_id":"buy-the-best-v4b-amnvolt-ats-mini-si4732-all-band-receiver-supports-am-fm-ssb-lsb-usb-built-in-hi-z-headphone-amplifier-for-ham-2026","title":"V4b AMNVOLT ATS Mini SI4732 All Band Receiver Supports AM\/FM\/SSB\/LSB\/USB Built-in Hi-Z Headphone Amplifier for HAM","description":"\u003ch1\u003e\n\u003cspan style=\"color:rgb(244, 78, 59)\"\u003e\u003cstrong\u003eV4 \u003c\/strong\u003e\u003c\/span\u003e\u003cstrong\u003eUpgrade Details:\u003c\/strong\u003e\n\u003c\/h1\u003e\u003cp\u003e1.  Added shielding cover to the Si4732 receiver section to suppress electromagnetic interference;  added ESD protection at the antenna input for chip safety.\u003c\/p\u003e\u003cp\u003e2.  Hi-Z circuit moved to the front end of the antenna path, powered by more stable VCC_RADIO, \u003cspan style=\"color:rgb(244, 78, 59)\"\u003eto preserve signal resonance and reduce noise.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"color:rgb(244, 78, 59)\"\u003e3.  New feature: Wired headphones can now be used as an FM antenna (Note: Headphones are not included in the package.  Buyers need to prepare their own.  Best results are achieved in strong FM signal environments with longer headphone cables).\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e4.  Left and right audio channels have been swapped;  amplifier and speaker parameters have been readjusted to improve sound quality.\u003c\/p\u003e\u003cp\u003e5.  Upgraded to more durable and higher-quality components: sturdier retractable antenna and non-slip knob caps for better handling.\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch1\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/h1\u003e\u003cp\u003e\u003cspan style=\"color:rgb(244, 78, 59)\"\u003e1.  Equipped with ESP32-S3 main control + SI4732 DSP, supports ALL Band broadcasting, LSB, USB, AM, and FM modes, with AGC\/ATT function.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e2.  Features a 1.9-inch IPS high-definition color screen with adjustable backlight brightness and battery level display.\u003c\/p\u003e\u003cp\u003e3.  Built-in 1W power cavity speaker for loud and clear sound quality.\u003c\/p\u003e\u003cp\u003e4.  Supports firmware upgrades;  pre-installed firmware version is at least VER.2.3.1 (Regular updates are recommended for optimal performance).\u003c\/p\u003e\u003cp\u003e5.  Built-in headphone amplifier circuit for powerful audio output when using headphones.\u003c\/p\u003e\u003cp\u003e6.  Integrated Hi-Z circuit to enhance weak signal resolution.\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"color:rgb(244, 78, 59)\"\u003e7.  Uses genuine ESP32 modules (ESP32-S3-WROOM-1-N16R8), ensuring higher reliability compared to counterfeit modules.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003ch1\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/h1\u003e\u003cp\u003e- Brand: \u003cspan style=\"color:rgb(244, 78, 59)\"\u003eAMNVOLT\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e- Model (Hardware Version):\u003cspan style=\"color:rgb(244, 78, 59);font-size:16px\"\u003e V4\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"color:rgb(244, 78, 59)\"\u003e- Housing Material: CNC metal or ABS injection molding (two options available)\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e- Main Control: ESP-32-S3\u003c\/p\u003e\u003cp\u003e- Operating Modes: FM\/AM\/LSB\/USB (Note: Does not support aviation bands)\u003c\/p\u003e\u003cp\u003e- Receiving Bands: HF\/SW\/MW\/VHF\u003c\/p\u003e\u003cp\u003e- Frequency Range: LW, MW, SW (150kHz - 30MHz), VHF (64-108MHz)\u003c\/p\u003e\u003cp\u003e- Screen: 1.9-inch, 170*320 resolution\u003c\/p\u003e\u003cp\u003e- Screen Brightness: 32~255 levels, adjustable\u003c\/p\u003e\u003cp\u003e- Charging Interface: TYPE-C (Not compatible with fast chargers)\u003c\/p\u003e\u003cp\u003e- Audio Interface: 3.5mm 3-pin stereo\u003c\/p\u003e\u003cp\u003e- Antenna Interface: SMA-KE (inner hole)\u003c\/p\u003e\u003cp\u003e- Battery Capacity: 800mAh\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003ePackage List:\u003c\/p\u003e\u003cp\u003e1 x AMNVOLT V4 Radio\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"color:rgb(244, 78, 59)\"\u003e2 x Antennas (Telescopic Whip Antenna \/ Rotatable Loop Antenna)\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"color:rgb(244, 78, 59)\"\u003ePlease note when purchasing：\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"color:rgb(244, 78, 59)\"\u003e1. If the numerically controlled metal casing version is chosen, the numerically controlled aluminum alloy material has a certain shielding effect on wireless electromagnetic signals. While improving the performance of receiving interference, it will also lead to a weakening of the connection strength of the wifi signal. Please pay attention to this point before purchasing.\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cspan style=\"color:rgb(244, 78, 59)\"\u003e2. Headphones are not included in the shipping list. The headphones in the picture are only used for demonstrating the FM antenna function. Please bring your own headphones!\u003c\/span\u003e\u003c\/p\u003e\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\u003cp\u003e\u003cimg src=\"https:\/\/www.typebeatmusicstore.com\/cdn\/shop\/files\/S526847ad71d14098b19cdcc447b8737cT.webp\" slate-data-type=\"image\" data-original=\"https:\/\/ae01.alicdn.com\/kf\/S526847ad71d14098b19cdcc447b8737cT.jpg\" data-files=\"S526847ad71d14098b19cdcc447b8737cT.jpg\" alt=\"V4b AMNVOLT ATS Mini SI4732 All Band Receiver Supports AM\/FM\/SSB\/LSB\/USB Built-in Hi-Z Headphone Amplifier for HAM\" loading=\"lazy\"\u003e\u003cimg src=\"https:\/\/www.typebeatmusicstore.com\/cdn\/shop\/files\/Sc46ea67dfd564323b807983f7a686669m.webp\" slate-data-type=\"image\" data-original=\"https:\/\/ae01.alicdn.com\/kf\/Sc46ea67dfd564323b807983f7a686669m.png\" data-files=\"Sc46ea67dfd564323b807983f7a686669m.png\" alt=\"V4b AMNVOLT ATS Mini SI4732 All Band Receiver Supports AM\/FM\/SSB\/LSB\/USB Built-in Hi-Z Headphone Amplifier for HAM\" loading=\"lazy\"\u003e\u003cimg src=\"https:\/\/www.typebeatmusicstore.com\/cdn\/shop\/files\/Sfa0de02802114c0d89796114aec8e7d0u.webp\" slate-data-type=\"image\" data-original=\"https:\/\/ae01.alicdn.com\/kf\/Sfa0de02802114c0d89796114aec8e7d0u.jpg\" data-files=\"Sfa0de02802114c0d89796114aec8e7d0u.jpg\" alt=\"V4b AMNVOLT ATS Mini SI4732 All Band Receiver Supports AM\/FM\/SSB\/LSB\/USB Built-in Hi-Z Headphone Amplifier for HAM\" loading=\"lazy\"\u003e\u003cimg src=\"https:\/\/www.typebeatmusicstore.com\/cdn\/shop\/files\/S11c1f29ad7844f7f8ce0e00e5df284f9b.webp\" slate-data-type=\"image\" data-original=\"https:\/\/ae01.alicdn.com\/kf\/S11c1f29ad7844f7f8ce0e00e5df284f9b.jpg\" data-files=\"S11c1f29ad7844f7f8ce0e00e5df284f9b.jpg\" alt=\"V4b AMNVOLT ATS Mini SI4732 All Band Receiver Supports AM\/FM\/SSB\/LSB\/USB Built-in Hi-Z Headphone Amplifier for HAM\" loading=\"lazy\"\u003e\u003cimg src=\"https:\/\/www.typebeatmusicstore.com\/cdn\/shop\/files\/Sff57d7d47e304202b3543068a572b15fS.webp\" slate-data-type=\"image\" data-original=\"https:\/\/ae01.alicdn.com\/kf\/Sff57d7d47e304202b3543068a572b15fS.jpg\" data-files=\"Sff57d7d47e304202b3543068a572b15fS.jpg\" alt=\"V4b AMNVOLT ATS Mini SI4732 All Band Receiver Supports AM\/FM\/SSB\/LSB\/USB Built-in Hi-Z Headphone Amplifier for HAM\" loading=\"lazy\"\u003e\u003cimg src=\"https:\/\/www.typebeatmusicstore.com\/cdn\/shop\/files\/S22f57dede4f54cddb4e0a61410062c10L.webp\" slate-data-type=\"image\" data-original=\"https:\/\/ae01.alicdn.com\/kf\/S22f57dede4f54cddb4e0a61410062c10L.jpg\" data-files=\"S22f57dede4f54cddb4e0a61410062c10L.jpg\" alt=\"V4b AMNVOLT ATS Mini SI4732 All Band Receiver Supports AM\/FM\/SSB\/LSB\/USB Built-in Hi-Z Headphone Amplifier for HAM\" loading=\"lazy\"\u003e\u003cimg src=\"https:\/\/www.typebeatmusicstore.com\/cdn\/shop\/files\/Sa7ca1b7f40d441e5aef90490c49b8070k.webp\" slate-data-type=\"image\" data-original=\"https:\/\/ae01.alicdn.com\/kf\/Sa7ca1b7f40d441e5aef90490c49b8070k.png\" data-files=\"Sa7ca1b7f40d441e5aef90490c49b8070k.png\" alt=\"V4b AMNVOLT ATS Mini SI4732 All Band Receiver Supports AM\/FM\/SSB\/LSB\/USB Built-in Hi-Z Headphone Amplifier for HAM\" loading=\"lazy\"\u003e\u003cimg src=\"https:\/\/www.typebeatmusicstore.com\/cdn\/shop\/files\/Scfec11393003438f9f8d0f85cd8654bem.webp\" slate-data-type=\"image\" data-original=\"https:\/\/ae01.alicdn.com\/kf\/Scfec11393003438f9f8d0f85cd8654bem.jpg\" data-files=\"Scfec11393003438f9f8d0f85cd8654bem.jpg\" alt=\"V4b AMNVOLT ATS Mini SI4732 All Band Receiver Supports AM\/FM\/SSB\/LSB\/USB Built-in Hi-Z Headphone Amplifier for HAM\" loading=\"lazy\"\u003e\u003cimg src=\"https:\/\/www.typebeatmusicstore.com\/cdn\/shop\/files\/S058f0d6d20ec49518f06560dbcb54db6J.jpg\" slate-data-type=\"image\" data-original=\"https:\/\/ae01.alicdn.com\/kf\/S058f0d6d20ec49518f06560dbcb54db6J.jpg\" data-files=\"S058f0d6d20ec49518f06560dbcb54db6J.jpg\" alt=\"V4b AMNVOLT ATS Mini SI4732 All Band Receiver Supports AM\/FM\/SSB\/LSB\/USB Built-in Hi-Z Headphone Amplifier for HAM\" loading=\"lazy\"\u003e\u003cimg src=\"https:\/\/www.typebeatmusicstore.com\/cdn\/shop\/files\/Sb3f43aef596449ae85fbd08c72245350W.webp\" slate-data-type=\"image\" data-original=\"https:\/\/ae01.alicdn.com\/kf\/Sb3f43aef596449ae85fbd08c72245350W.jpg\" data-files=\"Sb3f43aef596449ae85fbd08c72245350W.jpg\" alt=\"V4b AMNVOLT ATS Mini SI4732 All Band Receiver Supports AM\/FM\/SSB\/LSB\/USB Built-in Hi-Z Headphone Amplifier for HAM\" loading=\"lazy\"\u003e\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e\u003cbr\u003e","brand":"Type Beat Music Store","offers":[{"title":"Metal Case","offer_id":46671372091582,"sku":"14:29","price":99.99,"currency_code":"USD","in_stock":true},{"title":"ABS Case","offer_id":46671372124350,"sku":"14:173","price":80.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0754\/5048\/2878\/files\/v4b-amnvolt-ats-mini-si4732-all-band-receiver-supports-am-fm-ssb-lsb-usb-built-in-hi-z-headphone-amplifier-for-ham-abs-case-type-beat-music-store-black-v4-radio-953.webp?v=1780353885","url":"https:\/\/www.typebeatmusicstore.com\/products\/buy-the-best-v4b-amnvolt-ats-mini-si4732-all-band-receiver-supports-am-fm-ssb-lsb-usb-built-in-hi-z-headphone-amplifier-for-ham-2026","provider":"Type Beat Music Store","version":"1.0","type":"link"}